FZUS53 KDLH 061108 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 608 AM CDT Mon Apr 6 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. LSZ140-061600- Grand Portage to Grand Marais MN- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...North wind 20 to 25 knots becoming northwest 10 to 15 knots late in the afternoon. Gusts up to 30 knots decreasing to 20 knots. Chance of snow showers early in the morning, then chance of flurries in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Chance of flurries in the evening. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming south with gusts to around 20 knots in the late evening and overnight. Chance of snow showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ141-061600- Grand Marais to Taconite Harbor MN- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 15 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of snow showers early in the morning, then chance of flurries in the late morning and afternoon. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Chance of flurries in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots. Chance of snow showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-061600- Taconite Harbor to Silver Bay Harbor MN- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 15 knots with gusts to around 30 knots easing to 10 knots with gusts to around 20 knots late in the afternoon. Slight chance of snow showers early in the morning, then chance of flurries in the late morning and afternoon. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Chance of flurries in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow showers after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-061600- Silver Bay Harbor to Two Harbors MN- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots late in the afternoon. Chance of flurries. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Chance of flurries in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-061600- Two Harbors to Duluth MN- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Chance of flurries through the day. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming west early in the morning. Chance of flurries in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 to 10 knots becoming southeast 10 to 15 knots with gusts to around 20 knots after midnight. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-061600- Duluth MN to Port Wing WI- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Chance of flurries through the day. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots becoming west early in the morning. Chance of flurries in the evening. Waves 1 to 2 feet. .TUESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers and snow showers likely after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-061600- Port Wing to Sand Island WI- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots late in the afternoon. Chance of flurries. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots. Chance of flurries in the evening. Waves 1 to 3 feet. .TUESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-061600- Sand Island to Bayfield WI- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots with gusts to around 30 knots easing to 10 knots late in the afternoon. Slight chance of snow showers early in the morning, then chance of snow showers in the late morning and early afternoon. Chance of flurries late in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 5 to 10 knots. Chance of flurries in the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 knots becoming south with gusts to around 20 knots after midnight. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-061600- Outer Apostle Islands Beyond 5 NM from Mainland- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of snow showers until late afternoon, then chance of flurries late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late evening and overnight. Chance of flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. .TUESDAY...West wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 20 knots after midnight. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-061600- Oak Point to Saxon Harbor WI- 608 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots in the morning. Chance of snow showers until late afternoon, then chance of flurries late in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 10 to 15 knots easing to 5 knots early in the morning. Chance of flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. .TUESDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots becoming south 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of snow showers and slight chance of rain showers after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH