


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
931 FZUS53 KDLH 050750 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 250 AM CDT Sat Jul 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. LSZ140-141-051615- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming northwest with gusts to around 20 knots in the afternoon. Rain showers and chance of thunderstorms. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Gusts up to 20 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 2 feet. .SUNDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming southeast 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming northwest in the late evening and early morning, then becoming north early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ142-143-051615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming northwest with gusts to around 20 knots in the afternoon. Rain showers and chance of thunderstorms. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Gusts up to 20 knots in the evening. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots easing to 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ144-051615- Two Harbors to Duluth MN- 250 AM CDT Sat Jul 5 2025 .TODAY...Southeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the afternoon. Rain showers in the morning. Chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ145-051615- Duluth MN to Port Wing WI- 250 AM CDT Sat Jul 5 2025 .TODAY...South wind 5 to 10 knots becoming southwest late in the morning, then becoming northwest with gusts to around 20 knots in the afternoon. Rain showers in the morning. Chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots after midnight. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-051615- Port Wing to Sand Island WI- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming northwest in the afternoon. Rain showers and chance of thunderstorms. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots becoming west after midnight, then becoming northwest early in the morning. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ147-051615- Sand Island to Bayfield WI- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming northwest in the afternoon. Rain showers and chance of thunderstorms. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ150-051615- Outer Apostle Islands Beyond 5 NM from Mainland- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 10 to 15 knots becoming northwest 5 to 10 knots in the afternoon. Rain showers and chance of thunderstorms. Waves 1 to 2 feet. .TONIGHT...North wind 10 to 15 knots. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 to 2 feet. $$ LSZ121-051615- Chequamegon Bay-Bayfield to Oak Point WI- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming north late in the afternoon. Showers and chance of thunderstorms. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots until early morning becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ148-051615- Oak Point to Saxon Harbor WI- 250 AM CDT Sat Jul 5 2025 .TODAY...Southwest wind 5 to 10 knots becoming northwest in the afternoon. Showers and chance of thunderstorms. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots becoming northwest after midnight, then becoming north early in the morning. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Rothstein