Station List

National Weather Service Marine Forecast FZUS53 KDLH

FZUS53 KDLH 041442
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
842 AM CST Wed Feb 4 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.

LSZ140-042300
Grand Portage to Grand Marais MN
842 AM CST Wed Feb 4 2026

REST OF TODAY
North wind 5 knots becoming southwest late. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 15 to 20 knots with gusts to around 25 knots. Chance of snow in the evening, then snow after midnight. Waves 1 to 3 feet.

THURSDAY
West wind 15 to 20 knots. Gusts up to 25 knots. Chance of snow in the morning. Waves 1 to 3 feet.

THURSDAY NIGHT
West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of rain in the evening. Chance of snow through the night. Chance of light freezing rain after midnight. Waves 1 foot or less.

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

LSZ141-042300
Grand Marais to Taconite Harbor MN
842 AM CST Wed Feb 4 2026

REST OF TODAY
Northwest wind 5 knots becoming west in the afternoon. Partly sunny. Waves 1 foot or less.

TONIGHT
West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots after midnight. Chance of snow in the evening, then snow and slight chance of light freezing rain after midnight. Waves 1 to 3 feet.

THURSDAY
West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Chance of snow and slight chance of light freezing rain in the morning. Waves 1 to 3 feet.

THURSDAY NIGHT
West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight. Chance of rain in the evening. Chance of snow through the night. Chance of light freezing rain after midnight. Waves 1 foot or less.

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

LSZ142-042300
Taconite Harbor to Silver Bay Harbor MN
842 AM CST Wed Feb 4 2026

REST OF TODAY
North wind 5 knots becoming west late. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of snow in the evening, then snow after midnight. Waves 1 foot or less.

THURSDAY
West wind 10 to 15 knots. Slight chance of snow and light freezing rain in the morning. Waves 1 foot or less.

THURSDAY NIGHT
West wind 5 to 10 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots early in the morning. Chance of rain in the evening. Chance of snow through the night. Waves 1 foot or less.

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

LSZ143-042300
Silver Bay Harbor to Two Harbors MN
842 AM CST Wed Feb 4 2026

REST OF TODAY
West wind 5 to 10 knots. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow in the evening, then snow after midnight. Waves 1 to 2 feet.

THURSDAY
West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of light freezing rain and snow in the morning. Waves 1 to 2 feet.

THURSDAY NIGHT
West wind 5 to 10 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots early in the morning. Chance of rain and snow through the night. Chance of light freezing rain after midnight. Waves 1 foot or less.

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

LSZ144-042300
Two Harbors to Duluth MN
842 AM CST Wed Feb 4 2026

REST OF TODAY
West wind 5 to 10 knots. Slight chance of snow early in the morning. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow in the evening, then snow likely after midnight. Waves 1 to 2 feet.

THURSDAY
West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of light freezing rain and snow in the morning. Waves 1 to 2 feet.

THURSDAY NIGHT
West wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 20 knots early in the morning. Chance of rain in the evening. Chance of snow through the night. Waves 1 foot or less.

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

LSZ145-042300
Duluth MN to Port Wing WI
842 AM CST Wed Feb 4 2026

REST OF TODAY
Southwest wind 5 knots becoming west in the afternoon. Slight chance of snow early in the morning. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow in the evening, then snow likely after midnight. Waves 1 foot or less.

THURSDAY
West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of light freezing rain and snow in the morning. Waves 1 foot or less.

THURSDAY NIGHT
West wind 10 to 15 knots becoming northwest with gusts to around 20 knots early in the morning. Chance of rain and snow through the night. Chance of light freezing rain after midnight. Waves 1 foot or less.

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

LSZ146-042300
Port Wing to Sand Island WI
842 AM CST Wed Feb 4 2026

REST OF TODAY
Southwest wind 5 to 10 knots. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow in the evening, then snow likely after midnight. Waves 1 foot or less.

THURSDAY
Southwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Slight chance of snow in the morning. Waves 1 foot or less.

THURSDAY NIGHT
West wind 10 to 15 knots becoming northwest with gusts to around 20 knots early in the morning. Chance of rain in the evening. Chance of snow through the night. Waves 1 foot or less.

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

LSZ150-042300
Outer Apostle Islands Beyond 5 NM from Mainland
842 AM CST Wed Feb 4 2026

REST OF TODAY
West wind 5 to 10 knots. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow in the evening, then snow likely after midnight. Waves 1 to 2 feet.

THURSDAY
West wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Chance of snow and light freezing rain in the morning. Waves 1 to 2 feet.

THURSDAY NIGHT
West wind 10 to 15 knots with gusts to around 20 knots easing to 10 knots with gusts to around 20 knots late in the evening, then becoming northwest with gusts to around 25 knots after midnight. Chance of rain and light freezing rain in the evening. Chance of snow through the night. Waves 1 to 2 feet.

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

LSZ148-042300
Oak Point to Saxon Harbor WI
842 AM CST Wed Feb 4 2026

REST OF TODAY
Southwest wind 5 knots becoming west in the afternoon. Partly sunny. Waves 1 foot or less.

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow in the evening, then snow likely after midnight. Waves 1 foot or less.

THURSDAY
Southwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots in the afternoon. Chance of snow and light freezing rain in the morning. Waves 1 foot or less.

THURSDAY NIGHT
West wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 20 knots early in the morning. Chance of rain in the evening. Chance of snow through the night. Waves 1 foot or less.

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

Graphical marine forecasts are available online at: weather.gov/greatlakes

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