403 FZUS53 KDLH 180209 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 909 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-181000- Grand Portage to Grand Marais MN- 909 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY... .REST OF TONIGHT...West wind 15 to 20 knots. Gales up to 45 knots decreasing to 25 knots. Chance of rain showers and slight chance of thunderstorms late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181000- Grand Marais to Taconite Harbor MN- 909 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY... .REST OF TONIGHT...Northwest wind 15 to 20 knots. Gales up to 45 knots decreasing to 25 knots. Slight chance of rain showers late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181000- Taconite Harbor to Silver Bay Harbor MN- 909 PM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY... .REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots increasing to 35 knots after midnight, then decreasing to 25 knots toward daybreak. Chance of sprinkles and flurries late in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181000- Silver Bay Harbor to Two Harbors MN- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of sprinkles and flurries late in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181000- Two Harbors to Duluth MN- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of flurries and sprinkles late in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the afternoon. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181000- Duluth MN to Port Wing WI- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of flurries late in the evening. Waves 2 to 4 feet. .SATURDAY...West wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots late in the morning, then increasing to 30 knots in the afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181000- Port Wing to Sand Island WI- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of sprinkles and flurries late in the evening. Waves 3 to 5 feet. .SATURDAY...West wind 20 to 25 knots. Gusts up to 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181000- Sand Island to Bayfield WI- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers late in the evening. Waves 3 to 5 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181000- Outer Apostle Islands Beyond 5 NM from Mainland- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT... .REST OF TONIGHT...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots toward daybreak. Chance of rain showers late in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181000- Chequamegon Bay-Bayfield to Oak Point WI- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots toward daybreak. Chance of sprinkles late in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181000- Oak Point to Saxon Harbor WI- 909 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots toward daybreak. Chance of rain showers late in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots early in the evening. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  569 FZUS53 KMKX 180211 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 910 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-181000- Sheboygan to Port Washington WI- 910 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers just before midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight, then subsiding to 3 to 4 feet early in the morning. .SATURDAY...West wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then becoming west 10 to 20 knots in the afternoon. Gusts up to 25 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon, then building to 2 to 4 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of showers in the afternoon. Waves around 1 foot. $$ LMZ644-181000- Port Washington to North Point Light WI- 910 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 10 to 15 knots veering southwest after midnight, then becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers just before midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves 3 to 4 feet. .SATURDAY...West wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then becoming west 10 to 20 knots in the afternoon. Gusts up to 25 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet. $$ LMZ645-181000- North Point Light to Wind Point WI- 910 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 10 to 15 knots veering west early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers and a chance of thunderstorms just before midnight. Chance of showers early in the morning. Waves 3 to 4 feet. .SATURDAY...West wind 15 to 20 knots becoming 10 to 20 knots late in the afternoon. Gusts up to 25 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet. $$ LMZ646-181000- Wind Point WI to Winthrop Harbor IL- 910 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 10 to 15 knots veering west early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers and a chance of thunderstorms just before midnight. Chance of showers and slight chance of thunderstorms early in the morning. Waves 3 to 4 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots. Mostly cloudy in the morning then clearing. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of showers in the afternoon. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.  052 FZUS51 KBUF 180212 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1012 PM EDT Fri Apr 17 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ020-180900- Upper Niagara River and Buffalo Harbor- 1012 PM EDT Fri Apr 17 2026 .OVERNIGHT...Light and variable winds becoming southeast 5 to 10 knots. Mainly clear. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers in the morning, then showers in the afternoon. .SATURDAY NIGHT...West winds 5 to 15 knots. Rain showers likely. .SUNDAY...West winds 5 to 15 knots. A chance of rain showers. .SUNDAY NIGHT...West winds 5 to 15 knots becoming northwest. A chance of rain showers in the evening. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 10 knots becoming west. Partly to mostly cloudy. .WEDNESDAY...North winds 5 to 10 knots becoming light and variable. Becoming mainly clear. The water temperature off Buffalo is 42 degrees. $$ LOZ030-180900- Lower Niagara River- 1012 PM EDT Fri Apr 17 2026 .OVERNIGHT...Light and variable winds becoming southeast 5 to 10 knots. Mainly clear. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers in the morning, then showers in the afternoon. .SATURDAY NIGHT...West winds 5 to 15 knots. Rain showers likely. .SUNDAY...West winds 5 to 15 knots. A chance of rain showers. .SUNDAY NIGHT...West winds 5 to 15 knots becoming northwest. A chance of rain showers in the evening. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 15 knots becoming west. Partly to mostly cloudy. .WEDNESDAY...North winds 5 to 10 knots becoming light and variable. Becoming mainly clear. $$ LEZ040-041-180900- Buffalo to Ripley along Lake Erie- 1012 PM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY... .OVERNIGHT...Light and variable winds becoming southeast 10 to 15 knots. Areas of fog. Waves 1 foot or less. .SATURDAY...South winds 15 to 20 knots becoming southwest. A chance of showers in the morning, then showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Rain showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers in the morning, then a chance of rain and snow showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...West winds 5 to 15 knots becoming northwest. A chance of rain showers. Waves 1 to 3 feet. .MONDAY...Northwest winds 5 to 10 knots becoming south. Partly cloudy. Waves 2 feet or less. .TUESDAY...South winds 5 to 15 knots becoming west. Partly to mostly cloudy. Waves 1 foot or less. .WEDNESDAY...North winds 10 knots or less becoming east. Becoming mainly clear. Waves 2 feet or less. $$ LOZ042-180900- Niagara River to Hamlin Beach along Lake Ontario- 1012 PM EDT Fri Apr 17 2026 .OVERNIGHT...East winds 10 knots or less becoming southeast. Mainly clear. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. Rain showers likely. Waves 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers. Waves 2 to 4 feet. .SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest. A chance of rain showers in the evening. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Becoming mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 10 to 15 knots becoming west. A chance of rain showers. Waves 1 to 3 feet. .WEDNESDAY...North winds 5 to 15 knots becoming northeast less than 10 knots. Becoming mainly clear. Waves 2 feet or less. $$ LOZ043-044-180900- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 1012 PM EDT Fri Apr 17 2026 .OVERNIGHT...Southeast winds 10 knots or less increasing to 10 to 15 knots. Mainly clear. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots. Showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west. Rain showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Rain showers in the morning, then a chance of rain showers in the afternoon. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Becoming mainly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 10 to 15 knots becoming west. A chance of rain showers. Waves 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 15 knots becoming north. Becoming mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less. The water temperature off Rochester is 42 degrees. $$ LOZ045-180900- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1012 PM EDT Fri Apr 17 2026 .OVERNIGHT...East winds 10 knots or less becoming south. Mainly clear. Waves 1 foot or less. .SATURDAY...Southeast winds 15 to 20 knots becoming south. A chance of showers in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SATURDAY NIGHT...South winds 15 to 25 knots becoming west. Rain showers. Waves 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Rain showers in the morning, then a chance of rain showers in the afternoon. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 5 to 15 knots becoming southwest. Becoming mainly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of rain showers. Waves 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 15 knots becoming northeast less than 10 knots. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. $$  494 FZUS53 KDTX 180232 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 1032 PM EDT Fri Apr 17 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-181045- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 1032 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT SATURDAY THROUGH SATURDAY EVENING... .REST OF TONIGHT...South winds 15 to 20 knots. Partly cloudy this evening, then showers and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .SATURDAY...South winds 15 to 20 knots veering to the west in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A slight chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. .SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-181045- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 1032 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT SATURDAY THROUGH SATURDAY EVENING... .REST OF TONIGHT...South winds 15 to 20 knots. Partly cloudy this evening, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 3 to 5 feet. .SATURDAY...South winds 15 to 20 knots veering to the west in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A slight chance of showers early in the afternoon. Waves 2 to 4 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-181045- Port Austin to Harbor Beach MI- 1032 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Southeast winds 15 to 20 knots becoming south 20 to 25 knots after midnight. Partly cloudy this evening, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 2 to 4 feet building to 4 to 6 feet early in the morning. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly cloudy. A chance of thunderstorms in the morning. Rain showers likely. A slight chance of thunderstorms in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-181045- Harbor Beach to Port Sanilac MI- 1032 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...South winds 15 to 20 knots. Partly cloudy. Rain showers likely and a chance of thunderstorms after midnight. Waves 2 to 4 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SATURDAY...South winds 15 to 20 knots veering to the west early in the afternoon. Mostly cloudy. Rain showers likely and a chance of thunderstorms early in the morning, then a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers in the late morning and afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots. Mostly sunny early in the morning becoming partly cloudy. A chance of light snow showers early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-181045- Port Sanilac to Port Huron MI- 1032 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Southeast winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SATURDAY...South winds 15 to 20 knots veering to the west early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely and a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of light rain and snow showers early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-181045- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 1032 PM EDT Fri Apr 17 2026 .REST OF TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots early in the morning. Partly cloudy. Light showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Light showers and a chance of thunderstorms early in the morning, then showers likely and a slight chance of thunderstorms in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots in the late evening and overnight. Partly cloudy. A slight chance of showers early in the evening. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of showers early in the afternoon. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 52 degrees. $$ AA You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  067 FZUS53 KGRB 180235 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 935 PM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 935 PM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... .REST OF TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts, then veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft. Patchy fog. a chance of thunderstorms early in the evening. Rain showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ521-181000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 935 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... .REST OF TONIGHT...S wind 15 to 25 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Patchy dense fog. a chance of thunderstorms early in the evening. Rain showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 935 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TONIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Patchy dense fog. a chance of thunderstorms early in the evening. Rain showers likely. .SATURDAY...NW wind 15 to 25 kts backing W 10 to 15 kts in the late morning and afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 935 PM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TONIGHT...S wind 15 to 25 kts veering W after midnight. Gusts to 35 kts. Waves 4 to 7 ft. Patchy dense fog. a chance of thunderstorms early in the evening. Rain showers. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then clearing. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  463 FZUS53 KAPX 180251 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 1051 PM EDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-181100- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 15 to 25 knots with gusts to around 35 knots becoming west 10 to 20 knots early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 3 to 5 feet. .SATURDAY...Northwest wind 15 to 25 knots. Chance of rain and snow showers. Waves 5 to 8 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Chance of snow showers. Waves 6 to 9 feet. .SUNDAY...Northwest wind 15 to 25 knots. Chance of snow showers. Waves 6 to 9 feet. Winds and waves higher in the vicinity of thunderstorms. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LSZ322-181100- St. Marys River Point Iroquois to E. Potagannissing Bay- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 10 to 20 knots. Chance of rain early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. .SATURDAY...Northwest wind 10 to 20 knots. Chance of snow showers and slight chance of showers. .SATURDAY NIGHT...West wind 10 to 15 knots. Chance of snow showers. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-181100- Seul Choix Point to 5NM West of Mackinac Bridge- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 10 to 20 knots becoming west early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...Northwest wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-181100- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 10 to 20 knots becoming southwest early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-181100- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 10 to 20 knots becoming southwest early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 15 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 15 knots. Chance of snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-181100- Sleeping Bear Point to Grand Traverse Light MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 10 to 20 knots becoming west early in the morning. Chance of thunderstorms early in the evening. Rain through the night. Slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-181100- Point Betsie to Sleeping Bear Point MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 10 to 20 knots becoming west early in the morning. Chance of thunderstorms early in the evening. Rain through the night. Slight chance of thunderstorms after midnight. Waves 2 to 3 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-181100- Manistee to Point Betsie MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 10 to 20 knots becoming west early in the morning. Rain and a chance of thunderstorms early in the evening, then rain likely and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Slight chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-181100- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 10 to 20 knots becoming southwest 10 to 15 knots early in the morning. Rain likely early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 15 knots. Chance of rain and snow showers. Waves 2 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LHZ346-181100- St Ignace to False Detour Channel- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 15 to 25 knots. Chance of rain early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 20 knots. Chance of snow showers and slight chance of showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-181100- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...Southeast wind 15 to 25 knots. Chance of rain early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 20 knots. Slight chance of showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-181100- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 15 to 25 knots. Rain and slight chance of thunderstorms after midnight. Waves 4 to 6 feet building to 4 to 7 feet after midnight. Waves occasionally around 9 feet. .SATURDAY...West wind 10 to 20 knots. Slight chance of showers. Waves 4 to 7 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-181100- Sturgeon Pt to Alabaster MI- 1051 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .OVERNIGHT...South wind 15 to 25 knots. Rain and a chance of thunderstorms after midnight. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 20 knots. Rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ JLD