FZUS53 KDLH 070513 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1213 AM CDT Thu May 7 2026 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. LSZ140-071600- Grand Portage to Grand Marais MN- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of sprinkles in the morning. Chance of flurries through the day. Chance of rain showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots easing to 5 to 10 knots after midnight. Chance of rain showers and snow showers in the evening. Waves 1 to 3 feet. .FRIDAY...Southwest wind 15 to 20 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .FRIDAY NIGHT...Southwest wind 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet. $$ LSZ141-071600- Grand Marais to Taconite Harbor MN- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots becoming southwest in the afternoon. Chance of flurries in the morning. Chance of rain showers late in the morning, then slight chance of rain showers and snow showers in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming northwest in the late evening and overnight. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and overnight. Mostly cloudy. Waves 1 foot or less. $$ LSZ142-071600- Taconite Harbor to Silver Bay Harbor MN- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Chance of flurries and rain showers late in the morning. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west late in the evening, then becoming variable 10 knots or less after midnight becoming west 5 knots early in the morning. Chance of sprinkles and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northwest in the late evening and overnight. Mostly cloudy. Waves 1 foot or less. $$ LSZ143-071600- Silver Bay Harbor to Two Harbors MN- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Chance of flurries and rain showers late in the morning. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots early in the morning. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ144-071600- Two Harbors to Duluth MN- 1213 AM CDT Thu May 7 2026 .TODAY...Southwest wind 5 to 10 knots. Chance of flurries in the morning. Slight chance of rain showers in the late morning and early afternoon, then chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 to 10 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ145-071600- Duluth MN to Port Wing WI- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots. Chance of flurries late in the morning. Slight chance of rain showers in the late morning and early afternoon, then chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming southwest after midnight. Chance of sprinkles and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 to 10 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ146-071600- Port Wing to Sand Island WI- 1213 AM CDT Thu May 7 2026 .TODAY...Southwest wind 5 knots. Chance of flurries and sprinkles late in the morning. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ147-071600- Sand Island to Bayfield WI- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 knots. Chance of sprinkles and flurries in the late morning and early afternoon. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ150-071600- Outer Apostle Islands Beyond 5 NM from Mainland- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots. Chance of flurries early in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles and flurries in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...South wind 5 knots becoming west after midnight. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ121-071600- Chequamegon Bay-Bayfield to Oak Point WI- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots. Chance of sprinkles late in the morning. Chance of flurries in the late morning and early afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ148-071600- Oak Point to Saxon Harbor WI- 1213 AM CDT Thu May 7 2026 .TODAY...West wind 5 to 10 knots becoming east late in the afternoon. Chance of sprinkles and flurries in the late morning and early afternoon. Chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...South wind 5 knots becoming southwest in the late evening and overnight. Chance of rain showers and flurries in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH