FZUS53 KDLH 162106 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 406 PM CDT Mon Mar 16 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. LSZ140-170400- Grand Portage to Grand Marais MN- 406 PM CDT Mon Mar 16 2026 ...GALE WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots late in the night. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the night. .TUESDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South wind 15 to 20 knots with gusts to around 30 knots. Slight chance of snow through the night. Waves 1 to 3 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. .WEDNESDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots late in the afternoon. Mostly cloudy. Waves 3 to 5 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-170400- Grand Marais to Taconite Harbor MN- 406 PM CDT Mon Mar 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots late in the night. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 25 knots. Chance of snow. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning then 20 knots early in the afternoon. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-170400- Taconite Harbor to Silver Bay Harbor MN- 406 PM CDT Mon Mar 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of snow through the night. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-170400- Silver Bay Harbor to Two Harbors MN- 406 PM CDT Mon Mar 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Chance of snow in the evening, then slight chance of snow after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-170400- Two Harbors to Duluth MN- 406 PM CDT Mon Mar 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Slight chance of snow in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Snow likely. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-170400- Duluth MN to Port Wing WI- 406 PM CDT Mon Mar 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind 20 to 25 knots becoming northwest 10 to 15 knots late in the night. Heavy freezing spray early in the evening. Waves 4 to 6 feet subsiding to 1 to 2 feet late in the night. Waves occasionally to 7 feet. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Slight chance of snow in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Snow likely. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-170400- Port Wing to Sand Island WI- 406 PM CDT Mon Mar 16 2026 ...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY... .TONIGHT...North wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots late in the night. Heavy freezing spray in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the night. Waves occasionally to 8 feet. .TUESDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Partly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Chance of snow in the evening, then slight chance of snow after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-170400- Sand Island to Bayfield WI- 406 PM CDT Mon Mar 16 2026 ...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots late in the night. Heavy freezing spray in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the night. Waves occasionally to 8 feet. .TUESDAY...Northwest wind 10 to 15 knots becoming southwest 5 to 10 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South wind 5 to 10 knots. Gusts up to 20 knots in the late evening and early morning. Chance of snow. Waves 1 foot or less. .WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-170400- Outer Apostle Islands Beyond 5 NM from Mainland- 406 PM CDT Mon Mar 16 2026 ...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind up to 30 knots easing to 15 to 20 knots late in the night. Heavy freezing spray until early morning. Waves 5 to 8 feet subsiding to 3 to 5 feet late in the night. Waves occasionally to 11 feet. .TUESDAY...Northwest wind 10 to 15 knots becoming southwest 5 to 10 knots late in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of snow. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .WEDNESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning then 20 knots early in the afternoon. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-170400- Oak Point to Saxon Harbor WI- 406 PM CDT Mon Mar 16 2026 ...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind 20 to 25 knots. Gusts up to 30 knots. Heavy freezing spray until early morning. Slight chance of snow through the night. Waves 5 to 8 feet subsiding to 3 to 5 feet late in the night. Waves occasionally to 10 feet. .TUESDAY...Northwest wind 10 to 15 knots becoming southwest 5 to 10 knots in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of snow. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH