FZUS53 KDLH 220756 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 256 AM CDT Sun Mar 22 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. LSZ140-221600- Grand Portage to Grand Marais MN- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... .TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 knots becoming northwest in the late evening and overnight. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...Southwest wind 10 to 15 knots becoming west early in the morning. Gusts up to 20 knots. Chance of snow and rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-221600- Grand Marais to Taconite Harbor MN- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming southeast 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 knots becoming west in the late evening and overnight. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Slight chance of rain and snow in the evening, then chance of rain and snow after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-221600- Taconite Harbor to Silver Bay Harbor MN- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots early in the afternoon, then becoming southeast late in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Southeast wind 5 knots becoming west after midnight. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...West wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...South wind 5 knots becoming west early in the morning. Slight chance of rain in the evening, then chance of rain and snow after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-221600- Silver Bay Harbor to Two Harbors MN- 256 AM CDT Sun Mar 22 2026 .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 to 10 knots late in the afternoon. Chance of flurries in the late morning and early afternoon. Waves 1 to 3 feet. .TONIGHT...East wind 5 knots becoming southeast late in the evening, then becoming west after midnight. Mostly cloudy. Waves 1 to 3 feet. .MONDAY...West wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots becoming west early in the morning. Slight chance of rain in the evening, then chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-221600- Two Harbors to Duluth MN- 256 AM CDT Sun Mar 22 2026 .TODAY...Northeast wind 10 to 15 knots becoming east 5 to 10 knots late in the afternoon. Chance of flurries in the late morning and early afternoon. Waves 1 to 3 feet. .TONIGHT...East wind 5 knots becoming west after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. .MONDAY...West wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 to 10 knots becoming west early in the morning. Slight chance of rain in the evening, then chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-221600- Duluth MN to Port Wing WI- 256 AM CDT Sun Mar 22 2026 .TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning. Chance of flurries in the late morning and early afternoon. Waves 2 to 4 feet. .TONIGHT...East wind 5 knots becoming southeast late in the evening, then becoming southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Southwest wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...South wind 5 to 10 knots becoming southwest early in the morning. Slight chance of rain in the evening, then chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-221600- Port Wing to Sand Island WI- 256 AM CDT Sun Mar 22 2026 .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the afternoon. Mostly cloudy until late afternoon then becoming mostly sunny. Waves 3 to 5 feet. .TONIGHT...East wind 5 knots becoming southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .MONDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...South wind 5 knots becoming west early in the morning. Slight chance of rain in the evening, then chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-221600- Sand Island to Bayfield WI- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning. Chance of flurries late in the morning. Waves 3 to 5 feet. .TONIGHT...East wind 5 knots becoming southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. .MONDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...South wind 5 to 10 knots becoming southwest after midnight. Chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-221600- Outer Apostle Islands Beyond 5 NM from Mainland- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Freezing spray until late afternoon. Chance of flurries late in the morning. Waves 4 to 7 feet. Waves occasionally to 10 feet. .TONIGHT...East wind 5 knots becoming southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. .MONDAY...West wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...South wind 5 to 10 knots becoming southwest early in the morning. Chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-221600- Oak Point to Saxon Harbor WI- 256 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Freezing spray in the morning. Chance of flurries early in the morning. Slight chance of snow late in the morning, then chance of flurries early in the afternoon. Waves 5 to 8 feet. Waves occasionally to 10 feet. .TONIGHT...East wind 5 knots becoming southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 4 to 6 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .MONDAY...West wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots after midnight. Chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH