FZUS53 KDLH 171515 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 915 AM 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. LSZ140-172300- Grand Portage to Grand Marais MN- 915 AM CST Tue Feb 17 2026 ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY MORNING... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots with gales to around 35 knots in the afternoon. Partly sunny. Waves 1 foot or less. .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. Chance of snow in the evening, then 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. Slight chance of light freezing rain in the afternoon. 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 likely in the evening, then chance of snow after midnight. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-172300- Grand Marais to Taconite Harbor MN- 915 AM CST Tue Feb 17 2026 ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY MORNING... .REST OF TODAY...East wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots with gales to around 35 knots in the afternoon. Partly sunny. Waves 1 foot or less. .TONIGHT...East wind up to 30 knots with gales to around 45 knots rising to gales to 40 knots with storm force gusts to around 55 knots after midnight. Chance of snow in the evening, then snow after midnight. Blowing snow after midnight. Waves 1 foot or less. .WEDNESDAY...East gales to 40 knots. Storm force gusts up to 50 knots decreasing to 45 knots in the afternoon. Blowing snow in the morning. Snow through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind up to 30 knots. Gales up to 40 knots decreasing to 35 knots after midnight. Snow likely in the evening, then chance of snow after midnight. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-172300- Taconite Harbor to Silver Bay Harbor MN- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY MORNING... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots rising to up to 30 knots with gales to around 35 knots in the afternoon. Mostly cloudy. Waves 1 to 2 feet. .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 55 knots in the late evening and overnight. Snow through the night. Blowing snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...East gales to 35 knots. Storm force gusts up to 50 knots decreasing to 45 knots 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...East wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 30 knots early in the morning. Snow likely in the evening, then chance of snow after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-172300- Silver Bay Harbor to Two Harbors MN- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY MORNING... .REST OF TODAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of snow late. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northeast gales to 40 knots. Gales up to 45 knots increasing to 50 knots in the late evening and overnight. Snow through the night. Slight chance of light sleet after midnight. Blowing snow after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY...Northeast gales to 40 knots. Storm force gusts up to 50 knots decreasing to 45 knots in the afternoon. Slight chance of freezing rain in the morning. Snow through the day. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY NIGHT...East wind up to 30 knots with gales to around 40 knots becoming northeast 15 to 20 knots with gusts to around 30 knots early in the morning. Snow likely in the evening, then chance of snow after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-172300- Two Harbors to Duluth MN- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... ...STORM WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH WEDNESDAY MORNING... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots rising to gales to 35 knots with gales to around 40 knots. Chance of rain and slight chance of snow late. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northeast gales to 40 knots. Gales up to 45 knots increasing to 50 knots in the late evening and overnight. Snow and slight chance of light sleet through the night. Blowing snow after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. .WEDNESDAY...Northeast gales to 40 knots with gales to around 45 knots easing to up to 30 knots with gales to around 45 knots in the afternoon. Slight chance of rain and freezing rain in the morning. Snow through the day. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots. Snow likely in the evening, then chance of snow after midnight. Waves 7 to 10 feet. Waves occasionally to 12 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-172300- Duluth MN to Port Wing WI- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM CST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TODAY...Northeast wind 20 to 25 knots with gusts to around 30 knots rising to gales to 35 knots with gales to around 40 knots late. Chance of rain and slight chance of snow late. Waves 1 to 3 feet. .TONIGHT...Northeast gales to 40 knots with gales to around 45 knots. Rain likely in the evening. Snow and slight chance of light sleet through the night. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .WEDNESDAY...Northeast gales to 40 knots easing to up to 30 knots with gales to around 40 knots in the afternoon. Slight chance of rain and light freezing rain in the morning. Snow through the day. Waves 1 to 2 feet building to 1 to 3 feet in the late morning and early afternoon, then subsiding to 1 to 2 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 30 knots early in the evening. Snow likely in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-172300- Port Wing to Sand Island WI- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM CST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TODAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of snow late. Waves 1 foot or less. .TONIGHT...East gales to 40 knots with gales to around 45 knots. Snow likely with possible rain and freezing rain in the evening. Slight chance of light sleet through the night. Snow 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 45 knots in the afternoon. Slight chance of freezing rain in the morning. Snow and slight chance of rain through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...East wind 20 to 25 knots. Gusts up to 35 knots. Snow likely in the evening, then chance of snow after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-172300- Outer Apostle Islands Beyond 5 NM from Mainland- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM CST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TODAY...East wind up to 30 knots with gales to around 35 knots. Partly sunny in the late morning and early afternoon then becoming cloudy. Waves 1 foot or less. .TONIGHT...East wind up to 30 knots with gales to around 40 knots rising to gales to 40 knots with storm force gusts to around 50 knots in the late evening and overnight. Chance of rain and slight chance of freezing rain in the evening. Snow and slight chance of sleet through the night. Blowing snow after midnight. Waves 1 foot or less. A storm warning may be needed. .WEDNESDAY...East gales to 40 knots with gales to around 45 knots. Slight chance of freezing rain in the morning. Snow and slight chance of rain through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots early in the morning. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-172300- Oak Point to Saxon Harbor WI- 915 AM CST Tue Feb 17 2026 ...GALE WARNING IN EFFECT FROM 3 PM CST THIS AFTERNOON THROUGH WEDNESDAY EVENING... .REST OF TODAY...Northeast wind 20 to 25 knots with gales to around 35 knots. Slight chance of rain late. Waves 1 foot or less. .TONIGHT...East wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots after midnight. Chance of rain and slight chance of freezing rain in the evening. Snow and slight chance of light sleet through the night. Slight chance of rain after midnight. Waves 1 foot or less. .WEDNESDAY...East wind up to 30 knots with gales to around 35 knots. Rain likely 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. Snow likely in the evening, then chance of snow 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