FZUS53 KDLH 110623 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 AM CDT Wed Mar 11 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. LSZ140-111600- Grand Portage to Grand Marais MN- 122 AM CDT Wed Mar 11 2026 .TODAY...North wind 10 to 15 knots becoming northwest late in the afternoon. Gusts up to 20 knots. Chance of snow in the morning. Waves 1 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 10 knots becoming south early in the afternoon, then becoming southeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of flurries in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around 30 knots rising to up to 30 knots with gales to around 45 knots in the late evening and overnight. Snow likely through the night. Freezing spray after midnight. Waves 1 to 3 feet building to 5 to 8 feet in the late evening and overnight. Waves occasionally to 10 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-111600- Grand Marais to Taconite Harbor MN- 122 AM CDT Wed Mar 11 2026 .TODAY...North wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Chance of snow early in the morning. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming south early in the afternoon, then becoming southeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of flurries in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around 30 knots rising to up to 30 knots with gales to around 45 knots in the late evening and overnight. Blowing snow in the evening. Freezing spray and areas of blowing snow after midnight. Snow through the night. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-111600- Taconite Harbor to Silver Bay Harbor MN- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots. Chance of flurries early in the morning. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southeast early in the afternoon becoming east 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 40 knots becoming northeast 20 to 25 knots with gales to around 40 knots early in the morning. Snow. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-111600- Silver Bay Harbor to Two Harbors MN- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots. Chance of snow early in the morning. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...North wind 5 knots becoming southwest late in the morning, then becoming southeast 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 35 knots becoming northeast with gales to around 35 knots early in the morning. Snow. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-111600- Two Harbors to Duluth MN- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots. Chance of snow early in the morning. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...North wind 5 knots becoming south late in the morning, then becoming southeast early in the afternoon becoming east 15 to 20 knots late in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind 20 to 25 knots with gales to around 35 knots becoming north up to 30 knots with gales to around 35 knots early in the morning. Snow. Waves 4 to 6 feet. Waves occasionally to 7 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-111600- Duluth MN to Port Wing WI- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Chance of snow in the morning. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...Southwest wind 5 knots becoming south late in the morning, then becoming southeast early in the afternoon rising to 15 to 20 knots late in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind 20 to 25 knots with gusts to around 30 knots becoming north up to 30 knots with gales to around 35 knots early in the morning. Chance of snow in the evening, then snow likely after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-111600- Port Wing to Sand Island WI- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Snow likely early in the morning, then chance of flurries in the late morning and early afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming southwest late in the morning, then becoming southeast 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 35 knots becoming northeast with gales to around 35 knots early in the morning. Chance of snow in the evening, then snow after midnight. Waves 1 to 2 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-111600- Sand Island to Bayfield WI- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Snow likely early in the morning, then chance of flurries in the late morning and early afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southeast in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southeast wind 10 to 15 knots with gusts to around 25 knots becoming east 20 to 25 knots with gales to around 35 knots in the late evening and early morning, then becoming northeast up to 30 knots with gales to around 35 knots early in the morning. Snow. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-111600- Outer Apostle Islands Beyond 5 NM from Mainland- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Snow likely early in the morning, then chance of snow in the late morning and early afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 10 knots becoming west late in the morning, then becoming southeast early in the afternoon becoming east 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 35 knots. Slight chance of snow in the evening, then snow after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-111600- Oak Point to Saxon Harbor WI- 122 AM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Snow early in the morning, then chance of snow in the late morning and early afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming southeast early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southeast wind 20 to 25 knots with gusts to around 30 knots becoming northeast up to 30 knots with gales to around 35 knots early in the morning. Snow and slight chance of rain. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH