Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
480 FZUS53 KDLH 020851 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 351 AM CDT Sat Aug 2 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. LSZ140-141-021630- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Areas of smoke through the day. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots after midnight. Areas of smoke. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Areas of smoke. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 5 to 10 knots with gusts to around 20 knots easing to 5 knots early in the morning. Areas of smoke in the evening. Waves 1 to 2 feet. $$ LSZ142-143-021630- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of smoke through the day. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south in the afternoon. Areas of smoke. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots in the evening becoming variable 10 knots or less, then becoming north 5 knots early in the morning. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ144-145-021630- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of smoke through the day. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Areas of smoke. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ146-021630- Port Wing to Sand Island WI- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of smoke through the day. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Areas of smoke. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots becoming south after midnight. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ147-021630- Sand Island to Bayfield WI- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of smoke through the day. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming east late in the afternoon. Areas of smoke through the day. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots becoming south after midnight. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ150-021630- Outer Apostle Islands Beyond 5 NM from Mainland- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots. Areas of smoke through the day. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 to 10 knots becoming east late in the afternoon. Areas of smoke. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ121-021630- Chequamegon Bay-Bayfield to Oak Point WI- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 knots. Areas of smoke through the day. Waves 1 foot or less. .TONIGHT...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. Areas of smoke in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming south in the late evening and overnight. Areas of smoke in the evening. Waves 1 foot or less. $$ LSZ148-021630- Oak Point to Saxon Harbor WI- 351 AM CDT Sat Aug 2 2025 .TODAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Areas of smoke through the day. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming east late in the afternoon. Areas of smoke. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming south in the late evening and overnight. Areas of smoke in the evening. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes HA