


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
473 FZUS53 KDLH 051437 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 937 AM CDT Thu Jun 5 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. LSZ140-141-052215- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...Southwest wind 5 to 10 knots. Slight chance of rain showers through the day. Slight chance of thunderstorms late. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming west in the late evening and early morning, then becoming north early in the morning. Chance of rain showers through the night. Areas of smoke after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming east late in the morning, then becoming south in the afternoon. Areas of smoke through the day. Slight chance of rain showers through the day. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming west in the late evening and overnight. Partly cloudy. Waves 1 foot or less. $$ LSZ142-143-052215- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...South wind 5 knots becoming southeast late. Slight chance of rain showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of rain showers late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming north in the late evening and overnight. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming southeast in the afternoon. Areas of smoke through the day. Chance of rain showers through the day. Waves 1 foot or less. .FRIDAY NIGHT...Southeast wind 5 knots becoming northeast in the late evening and overnight. Partly cloudy. Waves 1 foot or less. $$ LSZ144-052215- Two Harbors to Duluth MN- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...South wind 5 knots becoming east late. Slight chance of rain showers early in the afternoon. Chance of rain showers and slight chance of thunderstorms late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Areas of smoke through the day. Chance of rain showers through the day. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ145-052215- Duluth MN to Port Wing WI- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...Southwest wind 5 knots becoming east in the afternoon. Slight chance of showers and thunderstorms late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .FRIDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-052215- Port Wing to Sand Island WI- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...West wind 5 knots becoming east in the afternoon. Slight chance of showers and thunderstorms late. Waves 1 foot or less. .TONIGHT...East wind 5 knots in the evening becoming variable 10 knots or less, then becoming southeast 5 knots early in the morning. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .FRIDAY...East wind 5 to 10 knots. Chance of rain showers. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ147-052215- Sand Island to Bayfield WI- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...Southwest wind 5 knots becoming southeast in the afternoon. Slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southeast late in the evening, then becoming north after midnight. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .FRIDAY...East wind 5 knots. Areas of smoke in the morning. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ150-052215- Outer Apostle Islands Beyond 5 NM from Mainland- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...Southwest wind 5 knots becoming southeast in the afternoon. Slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southeast late in the evening, then becoming northeast after midnight. Chance of rain showers. Waves 1 foot or less. .FRIDAY...East wind 5 knots. Areas of smoke in the morning. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots. Slight chance of rain showers through the night. Waves 1 foot or less. $$ LSZ121-052215- Chequamegon Bay-Bayfield to Oak Point WI- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...South wind 5 knots becoming east in the afternoon. Slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming northwest after midnight. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots. Rain showers likely. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots becoming southeast early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ148-052215- Oak Point to Saxon Harbor WI- 937 AM CDT Thu Jun 5 2025 .REST OF TODAY...West wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming north after midnight. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots. Rain showers likely. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots becoming southeast early in the morning. Chance of rain showers in the evening. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes BJH