FZUS53 KDLH 172103 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 303 PM CST Tue Feb 17 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. LSZ140-180500- Grand Portage to Grand Marais MN- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Northeast wind up to 30 knots with gales to around 45 knots becoming east gales to 40 knots with storm force gusts to around 50 knots after midnight. Slight chance of snow late in the evening. Snow likely after midnight. Snow late in the night. Blowing snow after midnight. Waves 1 foot or less. .WEDNESDAY...East gales to 40 knots with storm force gusts to around 50 knots easing to up to 30 knots with gales to around 45 knots late in the afternoon. Blowing snow in the morning. Snow through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind up to 30 knots. Gales up to 45 knots decreasing to 40 knots late in the evening, then decreasing to 35 knots after midnight increasing to 40 knots early in the morning. Snow in the evening, then snow likely after midnight. Waves 1 foot or less. A gale warning may be needed. .THURSDAY...Northeast wind 20 to 25 knots. Gales up to 40 knots decreasing to 30 knots. Snow likely in the morning, then chance of snow in the afternoon. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-180500- Grand Marais to Taconite Harbor MN- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TONIGHT...East wind up to 30 knots with gales to around 45 knots rising to gales to 40 knots with storm force gusts to around 55 knots after midnight. Slight chance of snow early in the evening, then chance of snow late in the evening. Snow after midnight. Blowing snow after midnight. Waves 1 foot or less. .WEDNESDAY...East gales to 40 knots with storm force gusts to around 50 knots easing to up to 30 knots with gales to around 45 knots late in the afternoon. Blowing snow in the morning. Snow through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind up to 30 knots with gales to around 40 knots becoming northeast 15 to 20 knots with gales to around 35 knots early in the morning. Snow likely. Waves 1 foot or less. A gale warning may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the afternoon. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-180500- Taconite Harbor to Silver Bay Harbor MN- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Northeast wind up to 30 knots with gales to around 45 knots becoming east gales to 35 knots with storm force gusts to around 50 knots after midnight. Chance of snow in the evening. Snow after midnight. Blowing snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...East gales to 35 knots with storm force gusts to around 50 knots easing to up to 30 knots with gales to around 45 knots late in the afternoon. Blowing snow in the morning. Snow through the day. Waves 1 to 2 feet building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 30 knots early in the morning. Snow in the evening, then snow likely after midnight. Waves 2 to 4 feet. A gale warning may be needed. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of snow. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-180500- Silver Bay Harbor to Two Harbors MN- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Northeast gales to 40 knots. Storm force gusts up to 50 knots increasing to 55 knots after midnight. Chance of snow early in the evening, then snow in the late evening and overnight. Blowing snow after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY...Northeast gales to 40 knots with storm force gusts to around 50 knots easing to up to 30 knots with gales to around 40 knots late in the afternoon. Blowing snow in the morning. Snow through the day. Waves 8 to 11 feet. Waves occasionally to 14 feet. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots in the late evening and overnight. Snow likely. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Chance of snow. Waves 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-180500- Two Harbors to Duluth MN- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .TONIGHT...East gales to 40 knots. Storm force gusts up to 50 knots increasing to 55 knots after midnight. Sleet in the evening. Snow through the night. Slight chance of light sleet after midnight. Blowing snow after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY...Northeast gales to 40 knots with storm force gusts to around 50 knots easing to up to 30 knots with gales to around 45 knots in the afternoon. Snow. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Snow in the evening, then snow likely after midnight. Waves 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Chance of snow. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-180500- Duluth MN to Port Wing WI- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .TONIGHT...East gales to 40 knots. Gales up to 45 knots increasing to 50 knots in the late evening and overnight. Light sleet, freezing rain and slight chance of rain in the evening. Snow through the night. Slight chance of light sleet after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast gales to 40 knots with gales to around 45 knots easing to up to 30 knots with gales to around 40 knots in the afternoon. Slight chance of freezing rain in the morning. Snow through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. A small craft advisory may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Chance of snow. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-180500- Port Wing to Sand Island WI- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .TONIGHT...East gales to 40 knots with gales to around 45 knots. Freezing rain in the evening. Snow through the night. Slight chance of light sleet after midnight. Waves 1 to 2 feet. .WEDNESDAY...East gales to 40 knots with gales to around 45 knots easing to up to 30 knots with gales to around 40 knots in the afternoon. Snow. Waves 1 to 2 feet. .WEDNESDAY NIGHT...East wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Snow likely in the evening, then chance of snow after midnight. Waves 1 to 2 feet. A small craft advisory may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-180500- Outer Apostle Islands Beyond 5 NM from Mainland- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .TONIGHT...East wind up to 30 knots with gales to around 40 knots rising to gales to 35 knots with gales to around 45 knots in the late evening and overnight. Chance of freezing rain in the evening. Snow through the night. Slight chance of light sleet after midnight. Blowing snow after midnight. Waves 1 foot or less. .WEDNESDAY...East gales to 35 knots easing to up to 30 knots late in the afternoon. Gales up to 45 knots. Snow. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Snow likely in the evening, then chance of snow after midnight. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-180500- Oak Point to Saxon Harbor WI- 303 PM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING... .TONIGHT...East wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots after midnight. Rain and freezing rain likely in the evening. Snow through the night. Rain, slight chance of freezing rain and light sleet after midnight. Waves 1 foot or less. .WEDNESDAY...East wind up to 30 knots. Gusts up to 35 knots decreasing to 30 knots late in the afternoon. Slight chance of rain in the morning. Snow through the day. Rain in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots in the late evening and overnight. Chance of snow. Waves 1 foot or less. .THURSDAY...East wind 10 to 15 knots becoming northeast in the afternoon. Gusts up to 20 knots. Chance of snow through the day. Chance of rain in the afternoon. 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