FZUS53 KDLH 070637 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1237 AM CST Sat Mar 7 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. LSZ140-071700- Grand Portage to Grand Marais MN- 1237 AM CST Sat Mar 7 2026 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots late in the afternoon. Patchy fog early in the morning. Snow likely early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots rising to up to 30 knots with gales to around 40 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. .SUNDAY...Southwest wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. A gale warning may be needed. .SUNDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Slight chance of rain in the evening. Waves 2 to 4 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-071700- Grand Marais to Taconite Harbor MN- 1237 AM CST Sat Mar 7 2026 ...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest late in the afternoon. Snow likely early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 15 to 20 knots with gales to around 35 knots. Slight chance of light freezing rain after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A gale warning may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Sunny in the morning then becoming partly sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-071700- Taconite Harbor to Silver Bay Harbor MN- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest late in the afternoon. Snow likely early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 15 to 20 knots with gusts to around 30 knots. Slight chance of snow in the evening. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots. Sunny in the morning then becoming partly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 25 knots. Mostly cloudy in the evening then clearing. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-071700- Silver Bay Harbor to Two Harbors MN- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest in the afternoon. Snow likely early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Mostly cloudy in the evening then clearing. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ144-071700- Two Harbors to Duluth MN- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming west in the afternoon. Snow likely early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest 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 late evening and overnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Mostly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ145-071700- Duluth MN to Port Wing WI- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest in the afternoon. Patchy fog early in the morning. Chance of snow early in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots rising to up to 30 knots with gales to around 35 knots in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to 25 knots late in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-071700- Port Wing to Sand Island WI- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Patchy fog early in the morning. Chance of snow early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots with gusts to around 30 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet building to 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Mostly cloudy in the evening then clearing. 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. $$ LSZ150-071700- Outer Apostle Islands Beyond 5 NM from Mainland- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots in the afternoon. Patchy fog early in the morning. Snow early in the morning, then slight chance of snow late in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 20 to 25 knots with gusts to around 30 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 15 to 20 knots. Mostly cloudy in the evening then clearing. Waves 2 to 4 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-071700- Oak Point to Saxon Harbor WI- 1237 AM CST Sat Mar 7 2026 .TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots late in the afternoon. Patchy fog in the morning. Chance of snow early in the morning. Slight chance of snow late in the morning. Waves 1 to 2 feet. .TONIGHT...Southwest wind 20 to 25 knots with gusts to around 30 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Mostly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and early morning, then decreasing to 20 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH