FZUS53 KDLH 100812 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 311 AM CDT Fri Apr 10 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. LSZ140-101600- Grand Portage to Grand Marais MN- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Northwest wind 5 knots becoming southeast in the late morning and early afternoon, then becoming east late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots after midnight. Rain showers likely in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ141-101600- Grand Marais to Taconite Harbor MN- 311 AM CDT Fri Apr 10 2026 .TODAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest in the late evening and early morning, then becoming variable 10 knots or less early in the morning. Partly cloudy. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-101600- Taconite Harbor to Silver Bay Harbor MN- 311 AM CDT Fri Apr 10 2026 .TODAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest in the late evening and early morning, then becoming variable 10 knots or less early in the morning. Partly cloudy. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-101600- Silver Bay Harbor to Two Harbors MN- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest late in the evening, then becoming variable 10 knots or less after midnight. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Rain showers and slight chance of thunderstorms. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-101600- Two Harbors to Duluth MN- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Rain showers and slight chance of thunderstorms. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-101600- Duluth MN to Port Wing WI- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 to 10 knots becoming southwest in the afternoon. Partly sunny early in the morning then clearing. Waves 1 foot or less. .TONIGHT...West wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...East wind 5 to 10 knots. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-101600- Port Wing to Sand Island WI- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Rain showers and slight chance of thunderstorms. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-101600- Sand Island to Bayfield WI- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...South wind 5 knots becoming east in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 to 10 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-101600- Outer Apostle Islands Beyond 5 NM from Mainland- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 to 10 knots becoming southwest in the afternoon. Mostly cloudy early in the morning then clearing. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west after midnight, then becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. .SATURDAY...Southeast wind 5 knots becoming east in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southeast wind 10 to 15 knots. Rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-101600- Oak Point to Saxon Harbor WI- 311 AM CDT Fri Apr 10 2026 .TODAY...West wind 5 knots becoming south late in the afternoon. Mostly cloudy early in the morning then clearing. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South wind 5 knots becoming east in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH