


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
174 FZUS53 KDLH 061453 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 953 AM CDT Mon Oct 6 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. LSZ140-062215- Grand Portage to Grand Marais MN- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots early in the morning. Mostly clear. Waves 1 to 3 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. $$ LSZ141-062215- Grand Marais to Taconite Harbor MN- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest with gusts to around 20 knots late. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. $$ LSZ142-062215- Taconite Harbor to Silver Bay Harbor MN- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ143-062215- Silver Bay Harbor to Two Harbors MN- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ144-062215- Two Harbors to Duluth MN- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ145-062215- Duluth MN to Port Wing WI- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ146-062215- Port Wing to Sand Island WI- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest late. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...North wind 5 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ147-062215- Sand Island to Bayfield WI- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest late. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ150-062215- Outer Apostle Islands Beyond 5 NM from Mainland- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 to 10 knots becoming southwest late. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Mostly clear. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .TUESDAY...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .TUESDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early in the morning. Mostly clear. Waves 1 to 2 feet. $$ LSZ121-062215- Chequamegon Bay-Bayfield to Oak Point WI- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 knots. Clear. Waves 1 foot or less. $$ LSZ148-062215- Oak Point to Saxon Harbor WI- 953 AM CDT Mon Oct 6 2025 .REST OF TODAY...Northwest wind 5 knots becoming southwest late. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes BJH