FZUS53 KDLH 231127 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 627 AM CDT Mon Mar 23 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. LSZ140-231600- Grand Portage to Grand Marais MN- 627 AM CDT Mon Mar 23 2026 .TODAY...Northwest wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 10 to 15 knots with gusts to around 20 knots early in the morning. Slight chance of snow in the evening. Chance of flurries after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .TUESDAY...Northwest wind 5 to 10 knots becoming north late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Areas of dense fog after midnight. Slight chance of snow and light freezing rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-231600- Grand Marais to Taconite Harbor MN- 627 AM CDT Mon Mar 23 2026 .TODAY...Northwest wind 5 knots becoming southwest in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots after midnight. Chance of flurries in the evening. Slight chance of snow after midnight. Waves 1 to 3 feet. .TUESDAY...Northwest wind 5 knots becoming north late in the morning, then becoming southeast in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...East wind 5 to 10 knots. Areas of dense fog after midnight. Chance of flurries after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-231600- Taconite Harbor to Silver Bay Harbor MN- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots after midnight. Chance of flurries through the night. Chance of sprinkles after midnight. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of flurries after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-231600- Silver Bay Harbor to Two Harbors MN- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 knots becoming south in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots in the late evening and overnight. Chance of sprinkles and flurries. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of flurries after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-231600- Two Harbors to Duluth MN- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 knots becoming south in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots after midnight. Chance of sprinkles and snow in the evening. Slight chance of snow after midnight. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-231600- Duluth MN to Port Wing WI- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 to 10 knots becoming south in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 5 to 10 knots early in the morning. Slight chance of flurries in the evening. Chance of sprinkles through the night. Slight chance of snow after midnight. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-231600- Port Wing to Sand Island WI- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 knots becoming south late in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots after midnight. Chance of snow in the evening. Chance of sprinkles through the night. Chance of flurries after midnight. Waves 1 to 2 feet. .TUESDAY...West wind 5 knots becoming northeast in the late morning and early afternoon, then becoming east late in the afternoon. Partly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of flurries after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-231600- Sand Island to Bayfield WI- 627 AM CDT Mon Mar 23 2026 .TODAY...Northwest wind 5 to 10 knots becoming south late in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots in the late evening and overnight. Slight chance of snow in the evening. Chance of sprinkles and flurries after midnight. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of flurries after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-231600- Outer Apostle Islands Beyond 5 NM from Mainland- 627 AM CDT Mon Mar 23 2026 .TODAY...Northwest wind 5 to 10 knots becoming south late in the afternoon. Chance of flurries early in the morning. Waves 1 to 2 feet. .TONIGHT...South wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Slight chance of snow in the evening. Chance of sprinkles and flurries after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .TUESDAY...West wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...East wind 5 to 10 knots. Patchy fog after midnight. Chance of flurries after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-231600- Oak Point to Saxon Harbor WI- 627 AM CDT Mon Mar 23 2026 .TODAY...West wind 5 to 10 knots becoming south late in the afternoon. Chance of flurries early in the morning. Waves 1 foot or less. .TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots after midnight. Slight chance of snow in the evening. Chance of sprinkles and flurries after midnight. Waves 1 to 2 feet. .TUESDAY...West wind 5 to 10 knots becoming north late in the morning, then becoming northeast in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 to 10 knots. Patchy fog after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH