FZUS53 KDLH 221958 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 258 PM 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. LSZ140-230400- Grand Portage to Grand Marais MN- 258 PM CDT Sun Mar 22 2026 .TONIGHT...North wind 5 knots becoming west in the late evening and overnight. Mostly cloudy until early morning then becoming partly cloudy. Waves 1 foot or less. .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. Slight chance of snow through the night. Slight chance of rain after midnight. Waves 1 to 3 feet. .TUESDAY...Northwest wind 5 to 10 knots becoming north late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-230400- Grand Marais to Taconite Harbor MN- 258 PM CDT Sun Mar 22 2026 .TONIGHT...South wind 5 knots becoming northwest late in the night. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots becoming west early in the morning. Slight chance of rain and snow through the night. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming north late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-230400- Taconite Harbor to Silver Bay Harbor MN- 258 PM CDT Sun Mar 22 2026 .TONIGHT...South wind 5 knots becoming west late in the night. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .MONDAY...West wind 5 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Slight chance of snow in the evening. Slight chance of rain through the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-230400- Silver Bay Harbor to Two Harbors MN- 258 PM CDT Sun Mar 22 2026 .TONIGHT...Southeast wind 5 knots becoming west in the late evening and early morning, then becoming west 5 knots late in the night. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .MONDAY...West wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots becoming west early in the morning. Slight chance of rain through the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-230400- Two Harbors to Duluth MN- 258 PM CDT Sun Mar 22 2026 .TONIGHT...East wind 5 knots becoming west in the late evening and overnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .MONDAY...West wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots becoming west early in the morning. Slight chance of rain through the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast late in the morning, then becoming east in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-230400- Duluth MN to Port Wing WI- 258 PM CDT Sun Mar 22 2026 .TONIGHT...Northeast wind 5 knots becoming south late in the evening, then becoming west after midnight. Partly cloudy. Waves 1 to 2 feet. .MONDAY...West wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Slight chance of rain through the night. Waves 1 foot or less. .TUESDAY...West wind 5 to 10 knots becoming northeast late in the morning, then becoming northeast 5 to 10 knots in the afternoon. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-230400- Port Wing to Sand Island WI- 258 PM CDT Sun Mar 22 2026 .TONIGHT...East wind 5 knots becoming south late in the evening, then becoming west after midnight. Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Waves 1 to 3 feet. .MONDAY...West wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 5 to 10 knots early in the morning. Slight chance of rain through the night. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming north late in the morning, then becoming east in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-230400- Sand Island to Bayfield WI- 258 PM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Southeast wind 5 knots becoming west after midnight. Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Waves 1 to 3 feet. .MONDAY...West wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...South wind 5 to 10 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots after midnight. Slight chance of rain after midnight. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-230400- Outer Apostle Islands Beyond 5 NM from Mainland- 258 PM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...East wind 5 knots becoming west after midnight. Partly cloudy early in the evening then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .MONDAY...Northwest 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 west 10 to 15 knots with gusts to around 20 knots early in the morning. Slight chance of rain after midnight. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-230400- Oak Point to Saxon Harbor WI- 258 PM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...East wind 5 knots becoming southwest after midnight. Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .MONDAY...West wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain after midnight. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots becoming northeast in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH