144 FZUS53 KDLH 161718 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1218 PM 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- 1218 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 knots becoming southeast late. Patchy dense fog. 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 fog through the night. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Patchy fog in the morning. Rain likely 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. Chance of thunderstorms in the evening. Rain likely through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-162200- Grand Marais to Taconite Harbor MN- 1218 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...South wind 5 knots becoming east late. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Patchy fog through the night. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north 5 to 10 knots late in the afternoon. Patchy fog in the morning. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots in the late evening and overnight. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-162200- Taconite Harbor to Silver Bay Harbor MN- 1218 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southeast wind 5 knots becoming east late. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Patchy fog through the night. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Patchy fog in the morning. 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. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-162200- Silver Bay Harbor to Two Harbors MN- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Patchy fog through the day. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-162200- Two Harbors to Duluth MN- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog. Waves 1 to 3 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. 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. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-162200- Duluth MN to Port Wing WI- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog through the night. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots late in the afternoon. Patchy fog through the day. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 2 to 4 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-162200- Port Wing to Sand Island WI- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming northwest late in the afternoon. Patchy fog through the day. 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. Chance of thunderstorms in the evening. Chance of rain through the night. 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. $$ LSZ147-162200- Sand Island to Bayfield WI- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Patchy fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 10 knots becoming northeast early in the afternoon, then becoming west late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-162200- Outer Apostle Islands Beyond 5 NM from Mainland- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 knots rising to 10 to 15 knots late. Patchy dense fog. Waves 1 foot or less. .TONIGHT...East wind 10 to 15 knots. Patchy fog. 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. 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. Chance of thunderstorms in the evening. Rain likely through the night. 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. $$ LSZ148-162200- Oak Point to Saxon Harbor WI- 1218 PM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...South wind 10 to 15 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Gusts up to 20 knots. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Rain likely and chance of thunderstorms in the evening. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  980 FZUS53 KGRR 161720 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 119 PM EDT Thu Apr 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-170800- Pentwater to Manistee MI- 119 PM EDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... .THROUGH EARLY EVENING...North winds 10 to 15 knots. Mostly cloudy. Patchy dense fog. Waves around 1 foot. .TONIGHT...North winds 5 to 15 knots veering south after midnight. Partly cloudy. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves around 1 foot. .FRIDAY...South winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Areas of dense fog. Waves 2 to 3 feet. .FRIDAY NIGHT...South winds to 30 knots. Rain showers and a chance of thunderstorms. Waves 3 to 5 feet building to 5 to 7 feet after midnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 5 to 7 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 4 to 6 feet. .MONDAY...Northeast winds 10 to 20 knots veering southwest in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY...Southwest winds to 30 knots. Partly sunny. Waves 6 to 8 feet. $$ LMZ848-170800- Whitehall to Pentwater MI- 119 PM EDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... .THROUGH EARLY EVENING...Northwest winds 10 to 15 knots. Partly sunny. Patchy dense fog. Waves 1 to 2 feet. .TONIGHT...North winds 5 to 15 knots veering southeast after midnight. Partly cloudy. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...South winds 10 to 20 knots. Partly sunny. Areas of dense fog. Waves 1 to 3 feet. .FRIDAY NIGHT...South winds to 30 knots. Rain showers and a chance of thunderstorms. Waves 4 to 6 feet building to 5 to 7 feet after midnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 5 to 7 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...East winds 15 to 20 knots veering south in the late morning and afternoon. Sunny. Waves 2 to 3 feet. .TUESDAY...Southwest winds to 30 knots. Partly sunny. Waves 6 to 8 feet. $$ LMZ847-170800- Grand Haven to Whitehall MI- 119 PM EDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... .THROUGH EARLY EVENING...Northwest winds 10 to 15 knots. Partly sunny. Patchy dense fog. Waves 1 to 2 feet. .TONIGHT...Northwest winds 5 to 15 knots backing southwest around 5 knots after midnight. Partly cloudy. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Areas of dense fog. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 15 to 25 knots veering south to 30 knots in the late evening and overnight. Rain showers and a chance of thunderstorms. Waves 4 to 6 feet building to 5 to 7 feet after midnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers and a slight chance of thunderstorms. Waves 5 to 7 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...East winds 10 to 15 knots veering south in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 6 to 8 feet. $$ LMZ846-170800- Holland to Grand Haven MI- 119 PM EDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... .THROUGH EARLY EVENING...Northwest winds around 15 knots. Mostly cloudy with a slight chance of showers and thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TONIGHT...Northwest winds 5 to 15 knots backing southwest around 5 knots after midnight. Partly cloudy. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast winds 10 to 20 knots. Partly sunny. Areas of dense fog. Waves 1 to 2 feet. .FRIDAY NIGHT...South winds 15 to 25 knots increasing to 30 knots after midnight. Rain showers and a chance of thunderstorms. Waves 2 to 3 feet building to 4 to 6 feet in the late evening and overnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers and a slight chance of thunderstorms. Waves 5 to 7 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...East winds 10 to 20 knots veering southwest early in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY...Southwest winds to 30 knots. Partly sunny. Waves 5 to 7 feet. $$ LMZ845-170800- South Haven to Holland MI- 119 PM EDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT FRIDAY... .THROUGH EARLY EVENING...Northwest winds 10 to 15 knots. Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TONIGHT...Northwest winds 5 to 15 knots backing southwest around 5 knots after midnight. Partly cloudy. Areas of dense fog through the night. Waves 1 to 2 feet. .FRIDAY...Southeast winds 5 to 15 knots. Partly sunny. Areas of dense fog. Waves 1 foot or less. .FRIDAY NIGHT...South winds 15 to 25 knots becoming after midnight. Rain showers and a chance of thunderstorms. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers and a slight chance of thunderstorms. Waves 5 to 7 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...East winds 10 to 20 knots veering southwest around 10 knots early in the afternoon. Sunny. Waves 2 to 3 feet. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 4 to 6 feet. $$ LMZ844-170800- St Joseph to South Haven MI- 119 PM EDT Thu Apr 16 2026 .THROUGH EARLY EVENING...West winds 10 to 15 knots. Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Waves 1 to 2 feet. .TONIGHT...Northwest winds 5 to 10 knots backing south after midnight. Mostly cloudy. Areas of dense fog through the night. Waves around 1 foot. .FRIDAY...Southeast winds 5 to 15 knots. Partly sunny. Areas of dense fog. Waves 1 foot or less. .FRIDAY NIGHT...South winds 15 to 25 knots becoming after midnight. Rain showers and a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...Southwest winds 20 to 25 knots veering west to 30 knots in the late morning and afternoon. Partly sunny with rain showers and a slight chance of thunderstorms. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 4 to 6 feet. .MONDAY...Northeast winds 10 to 20 knots veering southeast in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY...Southwest winds to 30 knots decreasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 3 to 5 feet. $$