


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
932 FZUS53 KDLH 300311 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1011 PM CDT Fri Aug 29 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. LSZ140-141-301015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Chance of sprinkles in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 5 to 10 knots easing to 5 knots early in the morning. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-143-301015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...North wind 5 knots becoming west toward daybreak. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Chance of sprinkles in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots. Chance of sprinkles in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ144-145-301015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming west toward daybreak. Patchy fog toward daybreak. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ146-301015- Port Wing to Sand Island WI- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southeast wind 5 knots becoming southwest toward daybreak. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ147-301015- Sand Island to Bayfield WI- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southeast wind 5 knots becoming southwest toward daybreak. Patchy fog toward daybreak. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ150-301015- Outer Apostle Islands Beyond 5 NM from Mainland- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southeast wind 5 knots becoming southwest toward daybreak. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ121-301015- Chequamegon Bay-Bayfield to Oak Point WI- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southeast wind 5 knots becoming southwest after midnight. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming south late in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots in the morning becoming variable 10 knots or less, then becoming east 5 knots late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-301015- Oak Point to Saxon Harbor WI- 1011 PM CDT Fri Aug 29 2025 .REST OF TONIGHT...Southeast wind 5 knots becoming southwest after midnight. Patchy fog toward daybreak. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming northeast late in the afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes KML