FZUS53 KDLH 232111 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 311 PM 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. LSZ140-240500- Grand Portage to Grand Marais MN- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING... ...HEAVY FREEZING SPRAY WARNING IN EFFECT TUESDAY MORNING... .TONIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming south 20 to 25 knots with gusts to around 30 knots after midnight. Chance of flurries in the evening. Chance of snow after midnight. Heavy freezing spray late in the night. Waves 1 to 2 feet building to 4 to 6 feet. Waves occasionally to 8 feet. .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. Freezing spray through the day. Snow in the morning. Chance of snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 35 knots. Mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. A gale warning may be needed. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around 30 knots easing to 5 to 10 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ141-240500- Grand Marais to Taconite Harbor MN- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING... ...HEAVY FREEZING SPRAY WARNING IN EFFECT TUESDAY MORNING... .TONIGHT...Southeast wind 15 to 20 knots with gusts to around 25 knots becoming south with gusts to around 25 knots late in the night. Slight chance of snow early in the evening, then chance of flurries late in the evening. Chance of snow after midnight. Waves 1 to 2 feet building to 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY...South wind 15 to 20 knots with gusts to around 30 knots becoming northwest with gusts to around 30 knots late in the afternoon. Freezing spray in the morning. Snow in the morning, then chance of snow in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-240500- Taconite Harbor to Silver Bay Harbor MN- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 10 to 15 knots with gusts to around 25 knots becoming south 15 to 20 knots with gusts to around 25 knots late in the night. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .TUESDAY...Southwest wind 15 to 20 knots becoming west 10 to 15 knots in the afternoon. Gusts up to 25 knots. Chance of snow through the day. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around 25 knots easing to 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-240500- Silver Bay Harbor to Two Harbors MN- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST TUESDAY THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 10 to 15 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet late in the night. .TUESDAY...Southwest wind 15 to 20 knots becoming west in the afternoon. Gusts up to 25 knots. Snow in the morning, then slight chance of snow in the afternoon. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .WEDNESDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-240500- Two Harbors to Duluth MN- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST TUESDAY THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries in the evening. Slight chance of snow after midnight, then chance of snow late in the night. Waves 1 to 2 feet building to 2 to 4 feet late in the night. .TUESDAY...Southwest wind 15 to 20 knots becoming west 20 to 25 knots in the afternoon. Snow in the morning, then slight chance of snow in the afternoon. Waves 2 to 4 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 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .WEDNESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-240500- Duluth MN to Port Wing WI- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST TUESDAY THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries late in the evening. Slight chance of snow after midnight, then chance of snow late in the night. Waves 1 to 3 feet. .TUESDAY...Southwest wind 20 to 25 knots with gusts to around 30 knots becoming west with gusts to around 30 knots in the afternoon. Snow likely in the morning, then slight chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and early morning, then decreasing to 30 knots early in the morning. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ146-240500- Port Wing to Sand Island WI- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST TUESDAY THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries late in the evening. Chance of snow after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest wind 20 to 25 knots with gusts to around 30 knots becoming west with gusts to around 30 knots in the afternoon. Snow in the morning, then chance of snow in the afternoon. Freezing spray in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and early morning, then decreasing to 30 knots early in the morning. Heavy freezing spray through the night. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ150-240500- Outer Apostle Islands Beyond 5 NM from Mainland- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH TUESDAY EVENING... .TONIGHT...Southeast wind 10 to 15 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries late in the evening. Slight chance of snow after midnight, then chance of snow late in the night. Waves 1 to 2 feet building to 3 to 5 feet after midnight. .TUESDAY...Southwest wind 20 to 25 knots becoming west in the afternoon. Gusts up to 30 knots. Snow likely in the morning, then chance of snow in the afternoon. Freezing spray in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Heavy freezing spray. Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 1 to 2 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-240500- Oak Point to Saxon Harbor WI- 311 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST TUESDAY THROUGH WEDNESDAY MORNING... .TONIGHT...Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries late in the evening. Slight chance of snow after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest wind 15 to 20 knots becoming west 20 to 25 knots in the afternoon. Gusts up to 30 knots. Snow in the morning, then chance of snow in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and early morning, then decreasing to 25 knots early in the morning. Slight chance of snow in the evening. Waves 2 to 4 feet. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH