902 FZUS53 KDLH 161600 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 AM CDT Thu Apr 16 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. LSZ140-162200- Grand Portage to Grand Marais MN- 1100 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 to 10 knots becoming southeast late. Patchy dense fog late in the morning, then areas of dense fog late. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Patchy dense fog in the evening, then widespread dense fog after midnight. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in the morning. Patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Rain and chance of thunderstorms in the evening, then rain likely after midnight. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-162200- Grand Marais to Taconite Harbor MN- 1100 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 knots becoming east late. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Patchy dense fog in the evening, then widespread dense fog after midnight. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north 5 to 10 knots late in the afternoon. Widespread dense fog in the morning, then patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots in the late evening and overnight. Rain and chance of thunderstorms in the evening. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-162200- Taconite Harbor to Silver Bay Harbor MN- 1100 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 knots becoming east late. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Patchy dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in the morning. Patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and early morning, then decreasing to 25 knots early in the morning. Rain and chance of thunderstorms in the evening. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-162200- Silver Bay Harbor to Two Harbors MN- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...South wind 5 knots becoming east in the afternoon. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in the morning. Patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Chance of snow through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-162200- Two Harbors to Duluth MN- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...South wind 5 knots becoming east in the afternoon. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog in the evening. Areas of dense fog after midnight. Waves 1 to 3 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north with gusts to around 20 knots late in the afternoon. Areas of dense fog in the morning, then patchy fog in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots after midnight, then decreasing to 25 knots early in the morning. Rain and chance of thunderstorms in the evening. Chance of snow through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-162200- Duluth MN to Port Wing WI- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming northeast in the afternoon. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Areas of dense fog after midnight. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Patchy fog in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Rain and chance of thunderstorms in the evening. Chance of snow through the night. Waves 2 to 4 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-162200- Port Wing to Sand Island WI- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming northeast in the afternoon. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy dense fog. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming northwest late in the afternoon. Patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-162200- Sand Island to Bayfield WI- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...South wind 5 knots becoming east in the afternoon. Patchy dense fog. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Patchy dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 10 knots becoming northeast early in the afternoon, then becoming west late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-162200- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...South wind 5 knots becoming east early in the afternoon, then rising to 10 to 15 knots late. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...East wind 10 to 15 knots. Patchy dense fog in the evening. Widespread dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 10 knots becoming northeast 10 to 15 knots early in the afternoon, then becoming west 5 to 10 knots late in the afternoon. Areas of dense fog in the morning. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-162200- Oak Point to Saxon Harbor WI- 1100 AM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots early in the morning. Patchy dense fog in the evening. Areas of dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...South wind 10 to 15 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Gusts up to 20 knots. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Chance of thunderstorms in the evening. Rain through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  259 FZUS53 KMKX 161610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 AM CDT Thu Apr 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-162200- Sheboygan to Port Washington WI- 1110 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TODAY...North wind 5 to 10 knots veering northeast late in the afternoon. Patchy dense fog. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots becoming south late in the evening, then rising to 5 to 10 knots after midnight becoming south 5 to 10 knots early in the morning. Patchy dense fog through around midnight, then areas of dense fog after midnight. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Areas of dense fog in the morning. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon. .FRIDAY NIGHT...South wind 15 to 25 knots veering west early in the morning. Thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 5 to 7 feet building to 6 to 8 feet late in the evening, then subsiding to 5 to 7 feet after midnight subsiding to 4 to 6 feet early in the morning. $$ LMZ644-162200- Port Washington to North Point Light WI- 1110 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TODAY...North wind 5 to 10 knots. Patchy dense fog. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots becoming southeast late in the evening, then becoming south after midnight becoming south 5 to 10 knots early in the morning. Areas of dense fog. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots becoming southeast 15 to 20 knots in the afternoon. Areas of dense fog in the morning. Waves around 1 foot building to 3 to 4 feet in the afternoon. .FRIDAY NIGHT...South wind 15 to 25 knots veering southwest after midnight, then becoming west 10 to 20 knots early in the morning. Thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet early in the morning. $$ LMZ645-162200- North Point Light to Wind Point WI- 1110 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TODAY...North wind 10 to 15 knots easing to 5 to 10 knots late in the afternoon. Patchy dense fog. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots veering south after midnight. Patchy dense fog through around midnight, then areas of dense fog after midnight. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots becoming southeast 15 to 20 knots in the afternoon. Areas of dense fog in the morning. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .FRIDAY NIGHT...South wind 15 to 20 knots becoming 10 to 20 knots late in the evening, then veering southwest 15 to 20 knots after midnight veering west early in the morning. Thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 3 to 5 feet subsiding to 3 to 4 feet early in the morning. $$ LMZ646-162200- Wind Point WI to Winthrop Harbor IL- 1110 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .REST OF TODAY...North wind 5 to 10 knots. Slight chance of showers and thunderstorms early in the afternoon. patchy dense fog through the day. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots veering south early in the morning. Patchy dense fog through around midnight, then areas of dense fog after midnight. Waves around 1 foot. .FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then backing southeast with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Areas of dense fog in the morning. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .FRIDAY NIGHT...South wind 15 to 20 knots veering southwest early in the morning. Thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 3 to 4 feet building to 3 to 5 feet late in the evening, then subsiding to 3 to 4 feet after midnight. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.  039 FZUS51 KBUF 161638 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1238 PM EDT Thu Apr 16 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. LEZ020-162100- Upper Niagara River and Buffalo Harbor- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. .TONIGHT...Southwest winds 5 to 10 knots becoming light and variable. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. .FRIDAY...Light and variable winds. Mostly cloudy in the morning, then becoming partly sunny. .FRIDAY NIGHT...Light and variable winds. Partly cloudy. .SATURDAY...South winds 5 to 15 knots becoming west. Showers. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain showers during the day, then a chance of rain and snow showers Sunday night. .MONDAY...Northwest winds 10 knots or less becoming southwest. Mostly cloudy, then clearing. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 41 degrees. $$ LOZ030-162100- Lower Niagara River- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. .TONIGHT...Southwest winds 5 to 10 knots becoming light and variable. Showers likely with a chance of thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. .FRIDAY...Light and variable winds. Mostly cloudy in the morning, then becoming partly sunny. .FRIDAY NIGHT...East winds less than 10 knots. Partly to mostly cloudy. .SATURDAY...South winds 5 to 15 knots becoming west. Showers. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain showers. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-162100- Buffalo to Ripley along Lake Erie- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 10 to 15 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 2 feet or less. .TONIGHT...Southwest winds 10 knots or less becoming west. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. Waves 2 feet or less. .FRIDAY...Light and variable winds. Mostly cloudy in the morning, then becoming partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...South winds 10 to 15 knots becoming west. Rain showers 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. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 5 to 15 knots becoming southwest. Mostly cloudy, then clearing. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-162100- Niagara River to Hamlin Beach along Lake Ontario- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 15 to 20 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 1 to 3 feet. .TONIGHT...Southwest winds 5 to 15 knots becoming west. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. Waves 1 to 3 feet. .FRIDAY...Northwest winds less than 10 knots becoming northeast. Mostly cloudy in the morning, then becoming partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...East winds 10 knots or less becoming southeast. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming west 15 to 20 knots. Showers. Waves 1 foot or less building to 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest. A chance of rain showers. Waves 3 to 5 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Becoming mainly clear. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043-044-162100- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 2 feet or less. .TONIGHT...West winds 5 to 15 knots becoming northwest. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. Waves 2 feet or less. .FRIDAY...Northwest winds 10 knots or less. A chance of showers in the morning. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 15 to 20 knots becoming west. Showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 15 to 25 knots becoming northwest. Rain showers likely during the day, then a chance of rain showers Sunday night. Waves 3 to 5 feet building to 6 to 9 feet. Waves occasionally around 11 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. 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. $$ LOZ045-162100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1238 PM EDT Thu Apr 16 2026 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 2 feet or less. .TONIGHT...Southwest winds 10 knots or less becoming northwest. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds in the evening. Waves 2 feet or less. .FRIDAY...North winds 10 knots or less. A chance of showers in the morning. Waves 2 feet or less. .FRIDAY NIGHT...North winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 15 to 20 knots becoming southwest. Showers likely during the day, then showers Saturday night. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 15 to 25 knots becoming northwest. Rain showers likely during the day, then a chance of rain and snow showers Sunday night. Waves 3 to 5 feet building to 6 to 9 feet. Waves occasionally around 11 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west and diminishing to 5 to 10 knots. Partly to mostly cloudy. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally around 10 feet. Winds and waves higher in and near thunderstorms. $$