Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
012 FZUS53 KDLH 060736 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 236 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. LSZ140-061615- Grand Portage to Grand Marais MN- 236 AM CDT Mon Oct 6 2025 ...GALE WARNING IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 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. $$ LSZ141-061615- Grand Marais to Taconite Harbor MN- 236 AM CDT Mon Oct 6 2025 ...GALE WARNING IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots becoming southwest with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. $$ LSZ142-061615- Taconite Harbor to Silver Bay Harbor MN- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .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. $$ LSZ143-061615- Silver Bay Harbor to Two Harbors MN- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ144-061615- Two Harbors to Duluth MN- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...West wind 5 to 10 knots. Sunny in the morning then becoming partly 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 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. $$ LSZ145-061615- Duluth MN to Port Wing WI- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ146-061615- Port Wing to Sand Island WI- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 to 2 feet. .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 2 feet. .TUESDAY NIGHT...North wind 5 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ147-061615- Sand Island to Bayfield WI- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots becoming west in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ150-061615- Outer Apostle Islands Beyond 5 NM from Mainland- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Mostly clear. Waves 1 to 2 feet. .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 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ121-061615- Chequamegon Bay-Bayfield to Oak Point WI- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots becoming west late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 knots. Clear. Waves 1 foot or less. $$ LSZ148-061615- Oak Point to Saxon Harbor WI- 236 AM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .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 foot or less. .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 JDS