


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
129 FZUS53 KDLH 020222 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 922 PM CDT Fri Aug 1 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. LSZ140-141-021015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...West wind 5 to 10 knots. Areas of smoke. Waves 1 to 2 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Areas of smoke. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Areas of smoke. Waves 1 to 3 feet. .SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Areas of smoke in the morning. Waves 1 to 2 feet. $$ LSZ142-143-021015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...West wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke through the night. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ144-145-021015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 knots. Areas of smoke through the night. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-021015- Port Wing to Sand Island WI- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ147-021015- Sand Island to Bayfield WI- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ150-021015- Outer Apostle Islands Beyond 5 NM from Mainland- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke through the night. Waves 1 foot or less. .SUNDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-021015- Chequamegon Bay-Bayfield to Oak Point WI- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-021015- Oak Point to Saxon Harbor WI- 922 PM CDT Fri Aug 1 2025 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots becoming east late in the afternoon. Areas of smoke. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming southwest in the late evening and overnight. Areas of smoke through the night. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming east late in the afternoon. Areas of smoke in the morning. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Britt