Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
155 FZUS53 KDLH 061935 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 235 PM 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. LSZ140-070415- Grand Portage to Grand Marais MN- 235 PM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. 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 subsiding to 1 to 2 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Clear. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ141-070415- Grand Marais to Taconite Harbor MN- 235 PM CDT Mon Oct 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Partly cloudy early in the evening then becoming mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots late in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-070415- Taconite Harbor to Silver Bay Harbor MN- 235 PM CDT Mon Oct 6 2025 .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots late in the night. Partly cloudy early in the evening then becoming mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 knots. Clear. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ143-070415- Silver Bay Harbor to Two Harbors MN- 235 PM CDT Mon Oct 6 2025 .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots late in the night. Partly cloudy early in the evening then becoming mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 knots. Clear. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ144-070415- Two Harbors to Duluth MN- 235 PM CDT Mon Oct 6 2025 .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots late in the night. Partly cloudy early in the evening then becoming mostly clear. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Clear. Waves 1 foot or less. .WEDNESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ145-070415- Duluth MN to Port Wing WI- 235 PM CDT Mon Oct 6 2025 .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots late in the night. Partly cloudy early in the evening then becoming mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...North wind 5 to 10 knots becoming southwest early in the morning. Clear. Waves 1 foot or less. .WEDNESDAY...South wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ146-070415- Port Wing to Sand Island WI- 235 PM CDT Mon Oct 6 2025 .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. Waves 1 to 3 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 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TUESDAY NIGHT...North wind 5 knots. Clear. Waves 1 foot or less. .WEDNESDAY...South wind 5 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ147-070415- Sand Island to Bayfield WI- 235 PM CDT Mon Oct 6 2025 .TONIGHT...Southwest wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 3 feet. .TUESDAY...West wind 15 to 20 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and early afternoon, then becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-070415- Outer Apostle Islands Beyond 5 NM from Mainland- 235 PM CDT Mon Oct 6 2025 .TONIGHT...Southwest wind 10 to 15 knots becoming west 15 to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet building to 2 to 4 feet late in the night. .TUESDAY...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ121-070415- Chequamegon Bay-Bayfield to Oak Point WI- 235 PM CDT Mon Oct 6 2025 .TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy in the evening then becoming clear. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming west early in the morning. Clear. Waves 1 foot or less. .WEDNESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-070415- Oak Point to Saxon Harbor WI- 235 PM CDT Mon Oct 6 2025 .TONIGHT...Southwest wind 5 to 10 knots becoming west 10 to 15 knots after midnight. Partly cloudy in the evening then becoming clear. Waves 1 to 2 feet. .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 3 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming west early in the morning. Clear. Waves 1 foot or less. .WEDNESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes NLy