


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
125 FZUS53 KDLH 300828 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 328 AM CDT Sat Aug 30 2025 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. LSZ140-141-301615- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 10 to 15 knots. Chance of sprinkles after midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Southwest wind 5 to 10 knots. Chance of sprinkles. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles and slight chance of thunderstorms in the evening. Waves 1 foot or less. $$ LSZ142-143-301615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots. Chance of sprinkles. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Chance of sprinkles in the evening. Waves 1 foot or less. $$ LSZ144-145-301615- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots. Patchy fog early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ146-301615- Port Wing to Sand Island WI- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind 10 to 15 knots. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ147-301615- Sand Island to Bayfield WI- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of dense fog early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...West wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...South wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ150-301615- Outer Apostle Islands Beyond 5 NM from Mainland- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots. Patchy dense fog early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind 10 to 15 knots. Sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...South wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ121-301615- Chequamegon Bay-Bayfield to Oak Point WI- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 knots becoming southeast late in the afternoon. Areas of dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ148-301615- Oak Point to Saxon Harbor WI- 328 AM CDT Sat Aug 30 2025 .TODAY...Southwest wind 5 to 10 knots becoming southeast late in the afternoon. Patchy fog early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 knots becoming southwest in the late evening and overnight. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 to 10 knots becoming west late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Huyck