National Weather Service Marine Forecast FZUS53 KDLH

FZUS53 KDLH 131323
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
723 AM CST Tue Jan 13 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.

LSZ140-131700
Grand Portage to Grand Marais MN
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
West wind 10 to 15 knots with gusts to around 25 knots becoming northwest 15 to 20 knots with gales to around 35 knots late in the afternoon. Chance of snow in the morning. Chance of drizzle through the day. Slight chance of light freezing drizzle and snow in the afternoon. Waves 1 to 3 feet.

TONIGHT
North wind up to 30 knots with gales to around 40 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet.

WEDNESDAY
North wind 20 to 25 knots. Gales up to 40 knots decreasing to 30 knots. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon.

WEDNESDAY NIGHT
North wind 15 to 20 knots with gusts to around 30 knots becoming northwest 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 3 feet.

Note...Wave height forecasts are for ice free areas.


LSZ141-131700
Grand Marais to Taconite Harbor MN
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
West wind 15 to 20 knots with gusts to around 30 knots. Chance of snow and light freezing drizzle early in the morning. Chance of drizzle until late afternoon, then chance of light freezing drizzle, slight chance of drizzle and snow late in the afternoon. Waves 1 to 2 feet.

TONIGHT
North wind 15 to 20 knots with gales to around 35 knots. Partly cloudy. Waves 1 to 3 feet.

WEDNESDAY
North wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots late in the morning, then decreasing to 20 knots early in the afternoon increasing to 25 knots late in the afternoon. Sunny. Waves 1 to 3 feet.

WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around 25 knots becoming northwest 5 knots after midnight. Mostly clear. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.


LSZ142-131700
Taconite Harbor to Silver Bay Harbor MN
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
West wind 5 to 10 knots with gusts to around 25 knots rising to 10 to 15 knots with gusts to around 30 knots in the afternoon. Chance of light freezing drizzle early in the morning. Chance of drizzle until late afternoon, then slight chance of drizzle, light freezing drizzle and snow late in the afternoon. Waves 1 to 2 feet.

TONIGHT
North wind 15 to 20 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet.

WEDNESDAY
North wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots late in the morning, then decreasing to 20 knots early in the afternoon increasing to 25 knots late in the afternoon. Sunny. Waves 1 to 2 feet.

WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 25 knots easing to 5 knots after midnight. Mostly clear. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.


LSZ143-131700
Silver Bay Harbor to Two Harbors MN
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
West wind 10 to 15 knots becoming northwest late in the afternoon. Gusts up to 25 knots. Slight chance of drizzle early in the morning, then chance of drizzle in the late morning and afternoon. Slight chance of snow late in the afternoon. Waves 1 to 2 feet.

TONIGHT
North wind 15 to 20 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet.

WEDNESDAY
North wind 15 to 20 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet.

WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight, then becoming west early in the morning. Mostly clear. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.


LSZ144-131700
Two Harbors to Duluth MN
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
West wind 15 to 20 knots with gusts to around 25 knots. Slight chance of drizzle until late afternoon. Slight chance of rain and snow late in the afternoon. Waves 1 to 3 feet.

TONIGHT
North wind 20 to 25 knots with gusts to around 30 knots. Mostly cloudy in the evening then clearing. Waves 2 to 4 feet. A small craft advisory may be needed.

WEDNESDAY
Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet.

WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight, then becoming west early in the morning. Mostly clear. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.


LSZ145-131700
Duluth MN to Port Wing WI
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING

TODAY
West wind 15 to 20 knots with gusts to around 25 knots rising to 20 to 25 knots with gusts to around 30 knots late in the afternoon. Slight chance of drizzle through the day. Slight chance of snow late in the afternoon. Waves 2 to 4 feet.

TONIGHT
North wind 20 to 25 knots with gales to around 35 knots. Heavy freezing spray after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet.

WEDNESDAY
North wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A small craft advisory may be needed.

WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight, then becoming west early in the morning. Partly cloudy. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.


LSZ146-131700
Port Wing to Sand Island WI
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING

TODAY
West wind 10 to 15 knots with gusts to around 25 knots rising to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Slight chance of drizzle through the day. Slight chance of snow late in the afternoon. Waves 2 to 4 feet.

TONIGHT
North wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Heavy freezing spray after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet.

WEDNESDAY
North wind 15 to 20 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Heavy freezing spray in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed.

WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around 25 knots becoming northwest 5 knots after midnight, then becoming west early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet.

Note...Wave height forecasts are for ice free areas.


LSZ147-131700
Sand Island to Bayfield WI
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING

TODAY
West wind 10 to 15 knots with gusts to around 25 knots becoming west 10 to 15 knots with gusts to around 30 knots late in the afternoon. Chance of drizzle and snow through the day. Waves 2 to 4 feet.

TONIGHT
North wind 20 to 25 knots with gales to around 35 knots. Heavy freezing spray after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet.

WEDNESDAY
North wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots late in the morning, then decreasing to 20 knots early in the afternoon increasing to 25 knots late in the afternoon. Heavy freezing spray in the morning. Waves 4 to 6 feet subsiding to 1 to 3 feet in the afternoon. Waves occasionally to 8 feet.

WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around 25 knots becoming northwest 5 knots after midnight, then becoming west early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight.

Note...Wave height forecasts are for ice free areas.


LSZ150-131700
Outer Apostle Islands Beyond 5 NM from Mainland
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING

TODAY
West wind 15 to 20 knots with gusts to around 25 knots. Chance of drizzle and snow. Waves 3 to 5 feet.

TONIGHT
North wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Slight chance of light freezing drizzle in the evening. Slight chance of snow after midnight. Heavy freezing spray after midnight. Waves 6 to 9 feet. Waves occasionally to 11 feet.

WEDNESDAY
North wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Heavy freezing spray in the morning. Waves 4 to 7 feet subsiding to 2 to 4 feet in the afternoon. Waves occasionally to 9 feet. A small craft advisory may be needed.

WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed.

Note...Wave height forecasts are for ice free areas.


LSZ121-131700
Chequamegon Bay-Bayfield to Oak Point WI
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

TODAY
Southwest wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 25 knots in the afternoon. Chance of snow early in the morning. Chance of drizzle through the day. Slight chance of snow late in the afternoon. Waves 1 foot or less.

TONIGHT
North wind 15 to 20 knots with gusts to around 30 knots. Slight chance of light freezing drizzle in the evening. Slight chance of snow through the night. Waves 1 to 2 feet.

WEDNESDAY
North wind 15 to 20 knots with gusts to around 30 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet.

WEDNESDAY NIGHT
Northwest wind 5 to 10 knots becoming west early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.


LSZ148-131700
Oak Point to Saxon Harbor WI
723 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING

GALE WARNING IN EFFECT FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY MORNING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING

TODAY
West wind 10 to 15 knots with gusts to around 25 knots rising to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of snow early in the morning. Chance of drizzle through the day. Slight chance of snow late in the afternoon. Waves 1 to 3 feet.

TONIGHT
North wind up to 30 knots. Gusts up to 30 knots increasing to 40 knots. Slight chance of snow through the night. Heavy freezing spray after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet.

WEDNESDAY
North wind 20 to 25 knots with gales to around 35 knots becoming northwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Heavy freezing spray in the morning. Waves 4 to 7 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally to 9 feet.

WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Mostly cloudy. 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