FZUS53 KDLH 161852 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 152 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- 152 PM 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. 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. Gusts up to 20 knots in the morning. 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 25 knots increasing to 30 knots late in the evening, then decreasing to 25 knots after midnight. Chance of thunderstorms in the evening. Rain likely through the night. Slight chance of light freezing rain after midnight. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-162200- Grand Marais to Taconite Harbor MN- 152 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 to 10 knots becoming east late. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Patchy fog through the night. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 30 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-162200- Taconite Harbor to Silver Bay Harbor MN- 152 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 5 knots becoming northeast 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 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 with gusts to around 30 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. $$ LSZ143-162200- Silver Bay Harbor to Two Harbors MN- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...North wind 5 knots becoming northeast late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming northwest late in the afternoon. Patchy fog through the day. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-162200- Two Harbors to Duluth MN- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. 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 northwest with gusts to around 25 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...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 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-162200- Duluth MN to Port Wing WI- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog through the night. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .FRIDAY...Northeast wind 10 to 15 knots becoming northwest with gusts to around 25 knots late in the afternoon. Patchy fog through the day. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 20 to 25 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 2 to 4 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-162200- Port Wing to Sand Island WI- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming northeast late. Sunny. 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 10 to 15 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 20 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. $$ LSZ147-162200- Sand Island to Bayfield WI- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Patchy fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 10 knots with gusts to around 20 knots becoming northeast early in the afternoon, then becoming west 10 to 15 knots late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 20 to 25 knots. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-162200- Outer Apostle Islands Beyond 5 NM from Mainland- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming east 10 to 15 knots late. Patchy fog late. 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 west 10 to 15 knots late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 20 to 25 knots. Gusts up to 30 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. $$ LSZ121-162200- Chequamegon Bay-Bayfield to Oak Point WI- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...North wind 5 knots becoming northeast late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming east after midnight, then becoming south with gusts to around 20 knots early in the morning. Partly cloudy. Waves 1 foot or less. .FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 10 knots with gusts to around 20 knots rising to 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Chance of thunderstorms in the evening. Chance of rain through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-162200- Oak Point to Saxon Harbor WI- 152 PM CDT Thu Apr 16 2026 .REST OF TODAY...North wind 5 knots becoming east late. Sunny. 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 west 15 to 20 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 after midnight. 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH