


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
081 FZUS53 KDLH 300220 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 920 PM CDT Tue Jul 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- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Areas of smoke through the night. Waves 1 foot or less. .WEDNESDAY...North wind 5 to 10 knots becoming east in the afternoon. Areas of smoke. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north after midnight. Areas of smoke. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-143-301015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...West wind 5 knots becoming north after midnight. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming southeast in the afternoon. Areas of smoke in the morning. Waves 1 foot or less. $$ LSZ144-145-301015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke through the night. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Areas of smoke through the night. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ146-301015- Port Wing to Sand Island WI- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ147-301015- Sand Island to Bayfield WI- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...West wind 5 knots becoming north after midnight. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ150-301015- Outer Apostle Islands Beyond 5 NM from Mainland- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...West wind 5 knots becoming northeast after midnight. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .THURSDAY...East wind 5 knots becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-301015- Chequamegon Bay-Bayfield to Oak Point WI- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...North wind 5 knots becoming northeast toward daybreak. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming northeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-301015- Oak Point to Saxon Harbor WI- 920 PM CDT Tue Jul 29 2025 .REST OF TONIGHT...Northwest wind 5 knots becoming northeast toward daybreak. Areas of smoke. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 to 2 feet. .THURSDAY...South wind 5 knots becoming northeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Britt