FZUS53 KDLH 120153 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 853 PM 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. LSZ140-121000- Grand Portage to Grand Marais MN- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 10 knots becoming south early in the afternoon, then becoming southeast 15 to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 40 knots rising to gales to 35 knots with gales to around 45 knots after midnight. Blowing snow in the evening. Freezing spray through the night. Areas of blowing snow after midnight. Snow through the night. Waves 4 to 6 feet building to 9 to 14 feet. Waves occasionally to 19 feet. .FRIDAY...Northeast gales to 35 knots with gales to around 40 knots becoming north up to 30 knots with gales to around 35 knots in the late morning and early afternoon, then easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Freezing spray through the day. Chance of snow in the morning. Chance of flurries in the afternoon. Waves 9 to 14 feet subsiding to 5 to 8 feet. Waves occasionally to 19 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-121000- Grand Marais to Taconite Harbor MN- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late evening and early morning. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming southeast early in the afternoon, then rising to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of snow in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 45 knots becoming northeast with gales to around 40 knots early in the morning. Blowing snow in the evening. Patchy blowing snow after midnight. Snow through the night. Waves 4 to 6 feet building to 8 to 13 feet. Waves occasionally to 17 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots becoming northwest 15 to 20 knots with gusts to around 30 knots in the afternoon. Freezing spray in the morning. Chance of snow in the morning, then chance of flurries in the afternoon. Waves 8 to 13 feet subsiding to 6 to 9 feet in the afternoon. Waves occasionally to 17 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-121000- Taconite Harbor to Silver Bay Harbor MN- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming southwest late in the morning, then becoming southeast early in the afternoon becoming east 15 to 20 knots with gusts to around 25 knots late in the afternoon. Snow likely in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...East wind 20 to 25 knots with gales to around 40 knots becoming northeast with gales to around 40 knots early in the morning. Blowing snow in the evening. Patchy blowing snow after midnight. Snow through the night. Waves 4 to 6 feet building to 7 to 12 feet. Waves occasionally to 16 feet. .FRIDAY...North wind 20 to 25 knots with gales to around 35 knots becoming northwest 15 to 20 knots with gusts to around 25 knots late in the afternoon. Freezing spray in the morning. Chance of snow in the morning, then chance of flurries in the afternoon. Waves 7 to 12 feet subsiding to 6 to 9 feet in the afternoon. Waves occasionally to 15 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-121000- Silver Bay Harbor to Two Harbors MN- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming south late in the morning, then becoming southeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less building to 1 to 3 feet late in the afternoon. .THURSDAY NIGHT...East wind up to 30 knots with gales to around 40 knots becoming northeast with gales to around 35 knots early in the morning. Slight chance of rain in the evening. Snow through the night. Waves 3 to 5 feet building to 8 to 11 feet. Waves occasionally to 14 feet. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Freezing spray in the morning. Chance of snow in the morning, then chance of flurries in the afternoon. Waves 8 to 11 feet subsiding to 6 to 9 feet in the afternoon. Waves occasionally to 14 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-121000- Two Harbors to Duluth MN- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming south late in the morning, then becoming southeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less building to 1 to 3 feet late in the afternoon. .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 and slight chance of rain in the evening, then snow likely after midnight. Waves 7 to 10 feet. Waves occasionally to 12 feet. .FRIDAY...Northwest wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Freezing spray in the morning. Chance of snow in the morning, then chance of flurries in the afternoon. Waves 6 to 9 feet subsiding to 4 to 7 feet in the afternoon. Waves occasionally to 12 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-121000- Duluth MN to Port Wing WI- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING... .REST OF TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming south late in the morning, then becoming southeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of snow in the afternoon. Waves 1 foot or less building to 1 to 3 feet late in the afternoon. .THURSDAY NIGHT...Southeast wind up to 30 knots becoming north with gales to around 35 knots early in the morning. Snow and slight chance of rain in the evening, then snow likely after midnight. Waves 4 to 6 feet building to 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .FRIDAY...Northwest wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Freezing spray in the morning. Chance of snow in the morning, then chance of flurries in the afternoon. Waves 7 to 10 feet subsiding to 4 to 7 feet in the afternoon. Waves occasionally to 14 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-121000- Port Wing to Sand Island WI- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots becoming southwest 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 to 2 feet. .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 in the evening, then snow likely after midnight. Waves 3 to 5 feet building to 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .FRIDAY...Northwest wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Freezing spray in the morning. Snow likely in the morning, then chance of flurries in the afternoon. Waves 8 to 11 feet subsiding to 6 to 9 feet in the afternoon. Waves occasionally to 15 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-121000- Sand Island to Bayfield WI- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 10 knots becoming southwest late in the morning, then becoming southeast 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of snow in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 20 to 25 knots with gusts to around 30 knots becoming northeast up to 30 knots with gales to around 35 knots early in the morning. Slight chance of rain in the evening. Snow through the night. Waves 4 to 6 feet building to 6 to 9 feet early in the morning. Waves occasionally to 12 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Freezing spray in the morning. Snow likely in the morning, then chance of snow in the afternoon. Waves 8 to 11 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 15 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-121000- Outer Apostle Islands Beyond 5 NM from Mainland- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... ...GALE WARNING IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet toward daybreak. .THURSDAY...Northwest wind 5 to 10 knots becoming west late in the morning, then becoming southeast early in the afternoon rising to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of flurries in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind up to 30 knots with gales to around 35 knots becoming northeast with gales to around 35 knots early in the morning. Snow through the night. Slight chance of rain after midnight. Waves 3 to 5 feet building to 8 to 11 feet. Waves occasionally to 15 feet. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 20 to 25 knots with gusts to around 30 knots in the afternoon. Freezing spray in the morning. Chance of snow through the day. Waves 9 to 14 feet subsiding to 8 to 11 feet late in the afternoon. Waves occasionally to 18 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-121000- Oak Point to Saxon Harbor WI- 853 PM CDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING... .REST OF TONIGHT...West wind 5 knots becoming northwest 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots becoming southwest late in the morning, then becoming southeast 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 20 to 25 knots with gusts to around 30 knots becoming northeast up to 30 knots early in the morning. Slight chance of rain in the evening. Snow through the night. Rain after midnight. Waves 3 to 5 feet building to 4 to 7 feet early in the morning. Waves occasionally to 9 feet. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of snow in the morning, then slight chance of snow in the afternoon. Freezing spray in the afternoon. Waves 8 to 11 feet subsiding to 6 to 9 feet late in the afternoon. Waves occasionally to 14 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH