FZUS53 KDLH 040835 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 335 AM CDT Mon May 4 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. LSZ140-041600- Grand Portage to Grand Marais MN- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots in the late morning and afternoon. Chance of rain showers early in the morning, then slight chance of rain showers late in the morning. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of flurries in the morning. Waves 1 to 2 feet. .TUESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Partly cloudy. Waves 1 to 2 feet. $$ LSZ141-041600- Grand Marais to Taconite Harbor MN- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers early in the morning, then chance of sprinkles late in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Chance of flurries after midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ142-041600- Taconite Harbor to Silver Bay Harbor MN- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers early in the morning, then chance of sprinkles late in the morning. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ143-041600- Silver Bay Harbor to Two Harbors MN- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers in the morning. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ144-041600- Two Harbors to Duluth MN- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers in the morning. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the morning then 20 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots easing to 5 knots after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ145-041600- Duluth MN to Port Wing WI- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers early in the morning, then chance of rain showers late in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning then 20 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots easing to 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ146-041600- Port Wing to Sand Island WI- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...West wind 10 to 15 knots easing to 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ147-041600- Sand Island to Bayfield WI- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...West wind 10 to 15 knots easing to 5 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ150-041600- Outer Apostle Islands Beyond 5 NM from Mainland- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers in the morning. Waves 3 to 5 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet. A small craft advisory may be needed. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ121-041600- Chequamegon Bay-Bayfield to Oak Point WI- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers early in the morning, then chance of rain showers late in the morning. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots easing to 10 knots with gusts to around 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ148-041600- Oak Point to Saxon Harbor WI- 335 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots. Slight chance of rain showers in the morning. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...West wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH