FZUS53 KDLH 181953 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 153 PM CST Wed Feb 18 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. LSZ140-182300- Grand Portage to Grand Marais MN- 153 PM CST Wed Feb 18 2026 ...STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...East gales to 35 knots. Storm force gusts up to 50 knots decreasing to 45 knots late. Freezing spray and blowing snow. Snow. Waves 8 to 13 feet. Waves occasionally to 16 feet. .TONIGHT...East wind up to 30 knots. Gales up to 45 knots decreasing to 35 knots. Snow. Waves 7 to 12 feet subsiding to 6 to 9 feet early in the morning. Waves occasionally to 16 feet. A gale warning may be needed. .THURSDAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots in the afternoon. Snow in the morning, then chance of snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed. .THURSDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots late in the evening, then increasing to 30 knots after midnight. Chance of snow. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-182300- Grand Marais to Taconite Harbor MN- 153 PM CST Wed Feb 18 2026 ...STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...East gales to 35 knots with storm force gusts to around 50 knots. Freezing spray and blowing snow. Snow. Waves 9 to 14 feet. Waves occasionally to 19 feet. .TONIGHT...Northeast wind up to 30 knots. Gales up to 45 knots decreasing to 35 knots. Slight chance of light freezing drizzle in the evening. Snow likely through the night. Waves 8 to 13 feet subsiding to 8 to 11 feet after midnight. Waves occasionally to 17 feet. A gale warning may be needed. .THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Snow likely in the morning, then chance of snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. A small craft advisory may be needed. .THURSDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots. Chance of snow. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-182300- Taconite Harbor to Silver Bay Harbor MN- 153 PM CST Wed Feb 18 2026 ...STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...East wind up to 30 knots with storm force gusts to around 50 knots rising to gales to 35 knots with gales to around 45 knots late. Snow through the day. Slight chance of light sleet late. Freezing spray late. Waves 8 to 13 feet. Waves occasionally to 17 feet. .TONIGHT...Northeast 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. Slight chance of light freezing drizzle in the evening. Snow likely through the night. Waves 7 to 12 feet subsiding to 7 to 10 feet after midnight. Waves occasionally to 16 feet. A gale warning may be needed. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 30 knots. Snow likely in the morning, then chance of snow in the afternoon. Waves 5 to 8 feet subsiding to 4 to 6 feet late in the afternoon. Waves occasionally to 10 feet. A small craft advisory may be needed. .THURSDAY NIGHT...North wind 5 to 10 knots with gusts to around 20 knots. Chance of snow. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-182300- Silver Bay Harbor to Two Harbors MN- 153 PM CST Wed Feb 18 2026 ...STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...Northeast wind up to 30 knots becoming east gales to 35 knots late. Gales up to 45 knots. Slight chance of light sleet early in the afternoon. Snow through the day. Waves 8 to 13 feet. Waves occasionally to 17 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 30 knots after midnight. Snow likely. Waves 8 to 11 feet subsiding to 6 to 9 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Snow likely in the morning, then chance of snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming north with gusts to around 20 knots after midnight. Chance of snow. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-182300- Two Harbors to Duluth MN- 153 PM CST Wed Feb 18 2026 ...STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...Northeast wind up to 30 knots with gales to around 45 knots. Snow through the day. Slight chance of rain late. Waves 8 to 13 feet. Waves occasionally to 16 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of drizzle and light freezing drizzle in the evening. Snow likely through the night. Waves 7 to 10 feet subsiding to 5 to 8 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Chance of snow. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots after midnight. Slight chance of snow. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-182300- Duluth MN to Port Wing WI- 153 PM CST Wed Feb 18 2026 ...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING... .REST OF TODAY...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 35 knots late. Snow early in the afternoon. Slight chance of rain through the day. Snow likely and slight chance of light freezing drizzle late. Waves 3 to 5 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 30 knots. Slight chance of drizzle and light freezing drizzle in the evening. Snow likely through the night. Waves 2 to 4 feet. A small craft advisory may be needed. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of snow. Waves 1 to 3 feet. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 25 knots after midnight. Chance of snow. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-182300- Port Wing to Sand Island WI- 153 PM CST Wed Feb 18 2026 ...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING... .REST OF TODAY...East wind up to 30 knots with gales to around 40 knots. Snow with possible freezing drizzle, rain and freezing rain likely early in the afternoon, then snow likely, slight chance of drizzle and light freezing drizzle late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 30 knots early in the evening. Slight chance of drizzle and light freezing drizzle in the evening. Snow likely through the night. Waves 1 to 3 feet. A small craft advisory may be needed. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Snow likely in the morning, then chance of snow in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-182300- Outer Apostle Islands Beyond 5 NM from Mainland- 153 PM CST Wed Feb 18 2026 ...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING... .REST OF TODAY...East wind up to 30 knots with gales to around 45 knots rising to gales to 35 knots with gales to around 40 knots late. Snow with rain and light freezing rain likely early in the afternoon, then snow likely and slight chance of light freezing drizzle late. Waves 1 foot or less. .TONIGHT...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of drizzle and light freezing drizzle in the evening. Snow likely through the night. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Snow likely in the morning, then slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...North wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots after midnight. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-182300- Oak Point to Saxon Harbor WI- 153 PM CST Wed Feb 18 2026 ...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING... .REST OF TODAY...East wind 20 to 25 knots with gusts to around 30 knots. Chance of drizzle and light freezing rain likely early in the afternoon. Snow, rain likely and slight chance of light freezing drizzle through the day. Waves 1 foot or less. .TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots. Chance of light freezing drizzle and slight chance of drizzle in the evening. Snow likely through the night. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots becoming north late in the afternoon. Chance of snow in the morning, then slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...North wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Chance of snow. 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