FZUS53 KDLH 091533 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1033 AM CDT Thu Apr 9 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. LSZ140-092215- Grand Portage to Grand Marais MN- 1033 AM CDT Thu Apr 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late. .TONIGHT...West wind 5 to 10 knots becoming northwest in the late evening and overnight. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 10 to 15 knots becoming northwest 5 knots after midnight. Mostly clear. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-092215- Grand Marais to Taconite Harbor MN- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northwest late in the evening, then becoming variable 10 knots or less after midnight. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-092215- Taconite Harbor to Silver Bay Harbor MN- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 5 to 10 knots. Gusts up to 20 knots in the late morning and early afternoon. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-092215- Silver Bay Harbor to Two Harbors MN- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 5 to 10 knots. Gusts up to 20 knots late in the morning. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-092215- Two Harbors to Duluth MN- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 5 to 10 knots. Gusts up to 20 knots late in the morning. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-092215- Duluth MN to Port Wing WI- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots with gusts to around 20 knots in the afternoon. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-092215- Port Wing to Sand Island WI- 1033 AM CDT Thu Apr 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and early afternoon. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-092215- Sand Island to Bayfield WI- 1033 AM CDT Thu Apr 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and early afternoon. Partly sunny. Waves 1 to 3 feet. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-092215- Outer Apostle Islands Beyond 5 NM from Mainland- 1033 AM CDT Thu Apr 9 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots late. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet late. .TONIGHT...West wind 5 knots becoming northwest after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-092215- Oak Point to Saxon Harbor WI- 1033 AM CDT Thu Apr 9 2026 .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and early afternoon. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS