FZUS53 KDLH 161533 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1033 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- 1033 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 in the late morning and early afternoon, 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. $$ LSZ141-162200- Grand Marais to Taconite Harbor MN- 1033 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 to 10 knots becoming east late. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Patchy dense fog in the evening, then widespread dense fog after midnight. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north 5 to 10 knots late in the afternoon. Widespread dense fog in the morning, then patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots in the late evening and overnight. Rain and chance of thunderstorms in the evening. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-162200- Taconite Harbor to Silver Bay Harbor MN- 1033 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. $$ LSZ143-162200- Silver Bay Harbor to Two Harbors MN- 1033 AM CDT Thu Apr 16 2026 .REST OF TODAY...South wind 5 knots becoming east in the afternoon. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Patchy fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in the morning. Patchy fog in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Chance of snow through the night. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-162200- Two Harbors to Duluth MN- 1033 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. $$ LSZ145-162200- Duluth MN to Port Wing WI- 1033 AM CDT Thu Apr 16 2026 .REST OF TODAY...Northwest wind 5 knots becoming northeast in the afternoon. Patchy dense fog through the day. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Areas of dense fog after midnight. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Patchy fog in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Rain and chance of thunderstorms in the evening. Chance of snow through the night. Waves 2 to 4 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-162200- Port Wing to Sand Island WI- 1033 AM CDT Thu Apr 16 2026 .REST OF TODAY...West 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 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-162200- Sand Island to Bayfield WI- 1033 AM CDT Thu Apr 16 2026 .REST OF TODAY...Southwest wind 5 knots becoming east in the afternoon. Patchy dense fog. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Patchy dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 10 knots becoming northeast early in the afternoon, then becoming west late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Rain and chance of thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ150-162200- Outer Apostle Islands Beyond 5 NM from Mainland- 1033 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 2 to 4 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ148-162200- Oak Point to Saxon Harbor WI- 1033 AM CDT Thu Apr 16 2026 .REST OF TODAY...East wind 5 to 10 knots. Patchy dense fog. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots early in the morning. Patchy dense fog in the evening. Areas of dense fog after midnight. Waves 1 to 2 feet. .FRIDAY...South wind 10 to 15 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Gusts up to 20 knots. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Chance of thunderstorms in the evening. Rain through the night. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH