778 FZUS51 KBUF 152005 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 405 PM EDT Wed Apr 15 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. LEZ020-160300- Upper Niagara River and Buffalo Harbor- 405 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms. Showers likely with a chance of thunderstorms late. .THURSDAY...Southwest winds 5 to 15 knots. A chance of showers in the morning, then showers in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west less than 10 knots. Showers likely in the evening, then a chance of showers overnight. .FRIDAY...Northwest winds less than 10 knots becoming southeast. A chance of showers in the morning. .FRIDAY NIGHT...Light and variable winds. Partly cloudy. .SATURDAY...South winds 10 to 15 knots becoming west around 10 knots. Showers likely with a chance of thunderstorms. .SUNDAY...West winds 10 to 15 knots. A chance of rain and snow showers during the day, then a chance of snow showers Sunday night. .MONDAY...Northwest winds 5 to 10 knots becoming southwest. Mostly cloudy, then clearing. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 41 degrees. $$ LOZ030-160300- Lower Niagara River- 405 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms. Showers likely with a chance of thunderstorms late. .THURSDAY...Southwest winds 5 to 15 knots. A chance of showers in the morning, then showers in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west less than 10 knots. Showers likely in the evening, then a chance of showers overnight. .FRIDAY...Northwest winds less than 10 knots becoming northeast. Mostly cloudy in the morning, then becoming partly sunny. .FRIDAY NIGHT...Light and variable winds. Partly to mostly cloudy. .SATURDAY...South winds 10 to 15 knots becoming west. Showers likely with a chance of thunderstorms. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain and snow showers during the day. .MONDAY...Northwest winds 5 to 15 knots becoming southwest. Partly cloudy, then becoming mainly clear. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-160300- Buffalo to Ripley along Lake Erie- 405 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds early. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 15 knots. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots diminishing to less than 10 knots. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...West winds less than 10 knots becoming northwest. A chance of showers in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 10 to 15 knots becoming west. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain and snow showers during the day, then a chance of snow showers Sunday night. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .MONDAY...Northwest winds 5 to 15 knots becoming south. Becoming mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-160300- Niagara River to Hamlin Beach along Lake Ontario- 405 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 15 knots. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .THURSDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers in the morning, then showers in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west. Showers likely in the evening, then a chance of showers overnight. Waves 1 to 3 feet. .FRIDAY...West winds 10 knots or less becoming northeast. A chance of showers in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East winds 10 knots or less becoming southeast. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 15 to 25 knots becoming northwest. A chance of rain and snow showers during the day, then a chance of rain showers Sunday night. Waves 3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY...Northwest winds 15 to 25 knots becoming southwest and diminishing to 10 to 15 knots. Becoming mainly clear. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043-044-160300- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 405 PM EDT Wed Apr 15 2026 .TONIGHT...South winds 5 to 10 knots. Showers likely early, then a chance of showers. Showers likely late. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots becoming southwest. Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming west. Showers with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 foot or less. .FRIDAY...West winds 5 to 10 knots becoming northwest. A chance of showers in the morning. Waves 1 foot or less. .FRIDAY NIGHT...North winds 10 knots or less becoming southeast. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely. Waves 1 to 3 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest and increasing to 30 knots. Rain showers likely during the day, then a chance of snow and rain showers Sunday night. Waves 4 to 7 feet building to 6 to 10 feet. Waves occasionally around 13 feet. .MONDAY...Northwest winds 15 to 25 knots becoming west. Partly cloudy, then becoming mainly clear. Waves 5 to 9 feet subsiding to 3 to 5 feet. Waves occasionally around 11 feet. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 41 degrees. $$ LOZ045-160300- Mexico Bay to the Saint Lawrence River along Lake Ontario- 405 PM EDT Wed Apr 15 2026 .TONIGHT...South winds 10 knots or less. A chance of showers. Waves 1 foot or less. .THURSDAY...South winds 5 to 10 knots becoming southwest. Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds 10 knots or less becoming west. Showers with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 foot or less. .FRIDAY...Northwest winds 5 to 10 knots. A chance of showers in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northwest winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 15 to 25 knots becoming southwest. A chance of showers during the day, then showers likely Saturday night. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .SUNDAY...Southwest winds 15 to 25 knots becoming west. Rain showers likely during the day, then a chance of snow and rain showers Sunday night. Waves 4 to 7 feet building to 6 to 10 feet. Waves occasionally around 13 feet. .MONDAY...Northwest winds 15 to 25 knots becoming west and diminishing to 10 to 15 knots. Mostly cloudy, then clearing. Waves 5 to 8 feet subsiding to 3 to 5 feet. Waves occasionally around 10 feet. Winds and waves higher in and near thunderstorms. $$  854 FZUS53 KAPX 152010 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 410 PM EDT Wed Apr 15 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. LSZ321-160415- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog through the night. Isolated showers early in the evening. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 5 to 10 knots. Patchy dense fog. Isolated showers. Waves 2 feet or less. .THURSDAY NIGHT...North wind 5 to 10 knots. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 15 to 20 knots. Sunny. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LSZ322-160415- St. Marys River Point Iroquois to E. Potagannissing Bay- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog through the night. Isolated showers early in the evening. Scattered showers after midnight. .THURSDAY...Northwest wind 5 to 10 knots. Patchy fog. Isolated showers. .THURSDAY NIGHT...Light winds. Patchy fog. .FRIDAY...Southeast wind 10 to 15 knots. Patchy fog. See the open lakes forecast for days 3 through 5. $$ LMZ341-160415- Seul Choix Point to 5NM West of Mackinac Bridge- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog. Isolated showers. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Isolated showers. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ342-160415- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog through the night. Isolated showers and thunderstorms early in the evening. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 5 to 10 knots. Sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-160415- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog. Scattered showers and isolated thunderstorms. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-160415- Sleeping Bear Point to Grand Traverse Light MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog through the night. Isolated thunderstorms early in the evening. Scattered showers through the night. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...South wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-160415- Point Betsie to Sleeping Bear Point MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog. Scattered showers and isolated thunderstorms. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...South wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-160415- Manistee to Point Betsie MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog. Scattered showers and isolated thunderstorms. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Scattered showers and isolated thunderstorms. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Patchy fog. Waves 2 feet or less. .FRIDAY...South wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-160415- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Northeast wind 5 to 10 knots. Patchy dense fog through the night. Isolated showers and thunderstorms early in the evening. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Patchy fog. Waves 2 feet or less. .FRIDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. 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. $$ LHZ346-160415- St Ignace to False Detour Channel- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Northeast wind 5 to 10 knots. Patchy dense fog through the night. Isolated showers early in the evening. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Patchy dense fog. Scattered showers. Waves 2 feet or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 15 to 20 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ347-160415- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Northeast wind 5 to 10 knots. Patchy dense fog through the night. Isolated showers and thunderstorms early in the evening. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 5 to 10 knots. Numerous showers. Waves 2 feet or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Patchy fog. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-160415- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Light winds. Patchy dense fog through the night. Isolated showers early in the evening. Isolated thunderstorms through the night. Scattered showers after midnight. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Numerous showers. Waves 2 feet or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-160415- Sturgeon Pt to Alabaster MI- 410 PM EDT Wed Apr 15 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming northwest early in the morning. Isolated showers and thunderstorms early in the evening, then numerous showers and scattered thunderstorms after midnight. Waves 2 feet or less. .THURSDAY...North wind 5 to 10 knots. Numerous showers and isolated thunderstorms. Waves 2 feet or less. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ DJC  678 FZUS53 KMKX 152010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-160900- Sheboygan to Port Washington WI- 310 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .THROUGH EARLY EVENING...Southeast wind 5 to 10 knots backing northeast late in the afternoon. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Patchy dense fog. Waves around 1 foot. .TONIGHT...North wind 5 to 10 knots veering east late in the evening, then backing northeast after midnight becoming northeast 5 to 10 knots early in the morning. Patchy dense fog through around midnight. Areas of dense fog after midnight. showers through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves around 1 foot. .THURSDAY...North wind 10 to 15 knots becoming northeast 5 to 10 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning. areas of dense fog in the morning, then patchy fog in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...East wind 5 to 10 knots veering south late in the evening, then becoming south 5 to 10 knots after midnight. Patchy fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots rising to 15 to 20 knots early in the afternoon, then becoming 15 to 25 knots late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. $$ LMZ644-160900- Port Washington to North Point Light WI- 310 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .THROUGH EARLY EVENING...South wind 5 to 10 knots. Showers likely and a chance of thunderstorms. Patchy dense fog. Waves around 1 foot. .TONIGHT...Southeast wind 5 to 10 knots backing northeast late in the evening, then veering southeast after midnight backing north early in the morning. Patchy dense fog until early morning. Areas of dense fog early in the morning. showers through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves around 1 foot. .THURSDAY...North wind 5 to 10 knots rising to 10 to 15 knots early in the afternoon, then becoming northeast 5 to 10 knots late in the afternoon. Patchy dense fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...East wind 5 to 10 knots veering south after midnight. Areas of dense fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming southeast 15 to 20 knots in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon. $$ LMZ645-160900- North Point Light to Wind Point WI- 310 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .THROUGH EARLY EVENING...South wind 5 to 10 knots rising to 10 to 15 knots late in the afternoon. Showers likely and a chance of thunderstorms. Patchy dense fog. Waves around 1 foot. .TONIGHT...South wind 10 to 15 knots becoming southeast 5 to 10 knots late in the evening, then veering south after midnight veering west early in the morning. Patchy dense fog through the night. showers through around midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves around 1 foot. .THURSDAY...Northwest wind 5 to 10 knots veering north 5 to 15 knots late in the morning, then becoming 10 to 15 knots early in the afternoon easing to 5 to 10 knots late in the afternoon. Patchy fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south after midnight. Areas of dense fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then backing southeast 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. $$ LMZ646-160900- Wind Point WI to Winthrop Harbor IL- 310 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .THROUGH EARLY EVENING...South wind 5 to 10 knots rising to 10 to 15 knots late in the afternoon. Showers likely and a chance of thunderstorms. Patchy dense fog. Waves around 1 foot. .TONIGHT...South wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then becoming south 5 to 10 knots after midnight veering southwest early in the morning. Patchy dense fog through the night. showers through around midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves around 1 foot. .THURSDAY...West wind 5 to 10 knots becoming northwest 10 to 15 knots late in the morning, then veering north early in the afternoon easing to 5 to 10 knots late in the afternoon. Patchy fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south after midnight. Patchy fog through around midnight. Waves around 1 foot. .FRIDAY...Southeast wind 5 to 10 knots rising to 15 to 20 knots. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.  848 FZUS53 KLOT 152014 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 314 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-160315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 314 PM CDT Wed Apr 15 2026 .TONIGHT...Southwest winds 15 to 20 kt become south this evening and diminishing to 10 to 15 kt. Showers and a chance of thunderstorms. Waves 1 to 2 ft. .THURSDAY...West winds 10 to 15 kt becoming north in the afternoon. Chance of showers and slight chance of thunderstorms. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds around 10 kt becoming southeast overnight. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 15 kt increasing to 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft building to 2 to 4 ft. $$ LMZ743>745-160315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 314 PM CDT Wed Apr 15 2026 .TONIGHT...South winds 15 to 20 kt. Showers likely and a chance of thunderstorms. Waves 1 to 2 ft. .THURSDAY...Southwest winds 10 to 15 kt becoming northwest in the afternoon. Chance of showers and thunderstorms. Waves 1 to 2 ft. .THURSDAY NIGHT...Northeast winds around 10 kt becoming east overnight. Mostly cloudy. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 20 kt becoming south. Mostly cloudy. Waves 1 to 2 ft. $$ KJB  096 FZUS53 KDTX 152039 AAA NSHDTX Nearshore Marine Forecast for Michigan...UPDATED National Weather Service Detroit/Pontiac MI 439 PM EDT Wed Apr 15 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-160445- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 439 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and early afternoon, then veering to the northeast early in the afternoon. Mostly cloudy. A chance of thunderstorms in the morning. Rain showers likely. A slight chance of thunderstorms in the afternoon. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of showers early in the evening. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-160445- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 439 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots. A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots veering to the north in the late morning and early afternoon, then becoming northeast 10 to 15 knots early in the afternoon. Mostly cloudy. Light showers likely and a chance of thunderstorms early in the morning, then showers likely and a slight chance of thunderstorms in the late morning and afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall in the late morning and afternoon. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. .FRIDAY...Northeast winds 5 to 10 knots veering to the east early in the afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-160445- Port Austin to Harbor Beach MI- 439 PM EDT Wed Apr 15 2026 .TONIGHT...South winds 5 to 10 knots. A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots veering to the west in the late morning and early afternoon, then becoming northwest 10 to 15 knots early in the afternoon. Mostly cloudy. A chance of thunderstorms in the morning. Rain showers likely. A slight chance of thunderstorms in the afternoon. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots veering to the east in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-160445- Harbor Beach to Port Sanilac MI- 439 PM EDT Wed Apr 15 2026 .TONIGHT...South winds 5 to 10 knots. A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots becoming northwest 10 to 15 knots early in the afternoon. Mostly cloudy. Rain showers likely and a chance of thunderstorms. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots veering to the east in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-160445- Port Sanilac to Port Huron MI- 439 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 5 to 10 knots becoming south 10 to 15 knots after midnight. Light showers and a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Waves 2 feet or less. .THURSDAY...South winds 10 to 15 knots veering to the west early in the afternoon. Light showers likely and a slight chance of thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall until late afternoon. Some thunderstorms may produce heavy rainfall early in the afternoon. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Mostly cloudy until early morning becoming partly cloudy. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots veering to the east in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-160445- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 439 PM EDT Wed Apr 15 2026 .TONIGHT...Southwest winds 10 to 15 knots. A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Waves 2 feet or less. .THURSDAY...Southwest winds 10 to 15 knots. Mostly cloudy until late afternoon becoming partly cloudy. Light showers likely and a chance of thunderstorms. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall in the late morning and afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Partly cloudy. A chance of thunderstorms early in the evening. Some thunderstorms may produce heavy rainfall early in the evening. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots veering to the east in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 49 degrees. $$ KDK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  155 FZUS53 KDLH 152057 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 356 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-160400- Grand Portage to Grand Marais MN- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots becoming west after midnight. Patchy fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Southwest wind 5 knots becoming south late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning then 20 knots late in the afternoon. Rain likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-160400- Grand Marais to Taconite Harbor MN- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Variable winds 10 knots or less. Patchy fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Patchy fog in the evening. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-160400- Taconite Harbor to Silver Bay Harbor MN- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Variable winds 10 knots or less. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-160400- Silver Bay Harbor to Two Harbors MN- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening then 20 knots early in the morning. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-160400- Two Harbors to Duluth MN- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Widespread dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Widespread dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-160400- Duluth MN to Port Wing WI- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Widespread dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-160400- Port Wing to Sand Island WI- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Areas of dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming north late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-160400- Sand Island to Bayfield WI- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...East wind 5 to 10 knots becoming northwest late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-160400- Outer Apostle Islands Beyond 5 NM from Mainland- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...East wind 5 knots rising to 5 to 10 knots. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...East wind 5 to 10 knots with gusts to around 20 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Rain likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-160400- Oak Point to Saxon Harbor WI- 357 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Patchy fog late in the evening. Widespread dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Widespread dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots becoming southeast with gusts to around 20 knots after midnight, then becoming south 10 to 15 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 foot or less. .FRIDAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 20 knots late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. 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