FZUS53 KDLH 010638 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1237 AM CST Sun Feb 1 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. LSZ140-011700- Grand Portage to Grand Marais MN- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots late in the afternoon. Chance of snow in the morning, then snow likely in the afternoon. Waves 2 to 4 feet. .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Snow likely in the evening, then chance of snow after midnight. Waves 1 to 3 feet. .MONDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-011700- Grand Marais to Taconite Harbor MN- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots. Snow likely. Waves 2 to 4 feet. .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of snow in the evening, then slight chance of snow after midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-011700- Taconite Harbor to Silver Bay Harbor MN- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Snow likely. 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 in the late evening and overnight. Chance of snow in the evening, then slight chance of snow after midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-011700- Silver Bay Harbor to Two Harbors MN- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Snow likely. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of snow in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-011700- Two Harbors to Duluth MN- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots late in the afternoon. Snow likely. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late evening and early morning. Slight chance of snow in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-011700- Duluth MN to Port Wing WI- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... .TODAY...Southwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots late in the afternoon. Snow likely. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots late in the evening. Slight chance of snow in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-011700- Port Wing to Sand Island WI- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... .TODAY...Southwest wind 10 to 15 knots with gusts to around 25 knots easing to 10 knots late in the afternoon. Snow likely. Waves 1 to 2 feet. .TONIGHT...West wind 10 knots becoming northwest with gusts to around 20 knots in the late evening and overnight. Chance of snow in the evening, then slight chance of snow after midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-011700- Outer Apostle Islands Beyond 5 NM from Mainland- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of snow until late afternoon, then snow likely late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots becoming northwest with gusts to around 20 knots in the late evening and overnight. Snow likely in the evening, then chance of snow after midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and afternoon. Partly sunny. Waves 1 to 2 feet. .MONDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-011700- Oak Point to Saxon Harbor WI- 1237 AM CST Sun Feb 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... .TODAY...South wind 10 to 15 knots with gusts to around 30 knots becoming southwest with gusts to around 20 knots late in the afternoon. Chance of snow until late afternoon, then snow likely late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Snow likely in the evening, then chance of snow after midnight. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .MONDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH