FZUS53 KDLH 230603 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1202 AM CST Mon Feb 23 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. LSZ140-231700- Grand Portage to Grand Marais MN- 1202 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING... .TODAY...North wind 10 to 15 knots with gusts to around 20 knots becoming east 5 to 10 knots in the afternoon. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming south 20 to 25 knots with gales to around 35 knots after midnight. Chance of snow through the night. Waves 1 foot or less building to 4 to 6 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...South wind 20 to 25 knots with gales to around 35 knots becoming west 15 to 20 knots with gusts to around 25 knots late in the afternoon. Heavy freezing spray in the morning. Snow in the morning, then chance of snow in the afternoon. Waves 4 to 7 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 9 feet. A gale warning may be needed. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-231700- Grand Marais to Taconite Harbor MN- 1202 AM CST Mon Feb 23 2026 .TODAY...North wind 5 to 10 knots becoming east in the afternoon. Chance of flurries in the afternoon. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots with gusts to around 20 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of snow in the evening, then snow likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .TUESDAY...South wind 15 to 20 knots with gusts to around 25 knots becoming west with gusts to around 30 knots late in the afternoon. Snow in the morning, then chance of snow in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-231700- Taconite Harbor to Silver Bay Harbor MN- 1202 AM CST Mon Feb 23 2026 .TODAY...North wind 5 to 10 knots becoming east in the afternoon. Chance of flurries in the afternoon. Waves 1 foot or less. .TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 25 knots early in the morning. Chance of snow. Waves 1 to 3 feet. .TUESDAY...South wind 15 to 20 knots becoming west late in the afternoon. Gusts up to 25 knots. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-231700- Silver Bay Harbor to Two Harbors MN- 1202 AM CST Mon Feb 23 2026 .TODAY...North wind 5 to 10 knots becoming east in the afternoon. Chance of flurries in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .TUESDAY...Southwest wind 15 to 20 knots becoming west in the afternoon. Gusts up to 25 knots. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-231700- Two Harbors to Duluth MN- 1202 AM CST Mon Feb 23 2026 .TODAY...North wind 5 to 10 knots becoming southeast in the afternoon. Chance of flurries in the late morning and early afternoon. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .TUESDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west with gusts to around 30 knots in the afternoon. Snow likely in the morning, then chance of snow in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-231700- Duluth MN to Port Wing WI- 1202 AM CST Mon Feb 23 2026 .TODAY...North wind 5 to 10 knots becoming east in the afternoon. Chance of flurries in the morning. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 20 to 25 knots with gusts to around 30 knots in the afternoon. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-231700- Port Wing to Sand Island WI- 1202 AM CST Mon Feb 23 2026 .TODAY...Northeast wind 5 to 10 knots becoming east in the afternoon. Chance of flurries in the morning. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet. .TUESDAY...South wind 15 to 20 knots with gusts to around 30 knots becoming west 20 to 25 knots with gusts to around 30 knots in the afternoon. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 3 to 5 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-231700- Outer Apostle Islands Beyond 5 NM from Mainland- 1202 AM CST Mon Feb 23 2026 ...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... .TODAY...Northeast wind 10 to 15 knots becoming east 5 knots late in the afternoon. Chance of flurries in the morning. Waves 3 to 5 feet. .TONIGHT...Southeast wind 10 to 15 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .TUESDAY...Southwest wind 20 to 25 knots becoming west late in the afternoon. Gusts up to 30 knots. Snow in the morning, then chance of snow in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots until early morning. Mostly cloudy. Waves 3 to 5 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-231700- Oak Point to Saxon Harbor WI- 1202 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... .TODAY...Northeast wind 10 to 15 knots becoming east 5 knots late in the afternoon. Slight chance of snow early in the morning, then chance of flurries late in the morning. Waves 3 to 5 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet. .TUESDAY...Southwest wind 15 to 20 knots with gusts to around 30 knots becoming west with gusts to around 30 knots late in the afternoon. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH