Station List

National Weather Service Marine Forecast FZUS53 KDLH

FZUS53 KDLH 262142
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
442 PM CDT Thu Mar 26 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.

LSZ140-270400
Grand Portage to Grand Marais MN
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 foot or less.

FRIDAY
Northwest wind 15 to 20 knots. Slight chance of snow showers. Waves 1 to 2 feet.

FRIDAY NIGHT
West wind 10 to 15 knots. Gusts up to 20 knots in the evening. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
West wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots in the afternoon. Partly sunny. Waves 1 to 2 feet.

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

LSZ141-270400
Grand Marais to Taconite Harbor MN
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 foot or less.

FRIDAY
Northwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow showers. Waves 1 to 2 feet.

FRIDAY NIGHT
West wind 10 to 15 knots. Gusts up to 20 knots until early morning. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
West wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 20 knots in the afternoon. Partly sunny. Waves 1 foot or less.

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

LSZ142-270400
Taconite Harbor to Silver Bay Harbor MN
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 knots. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
Northwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow showers. Waves 1 foot or less.

FRIDAY NIGHT
West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Slight chance of snow showers in the evening. Waves 1 foot or less.

SATURDAY
Southwest wind 5 knots becoming south in the afternoon. Partly sunny. Waves 1 foot or less.

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

LSZ143-270400
Silver Bay Harbor to Two Harbors MN
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
Northwest wind 5 knots rising to 10 to 15 knots in the afternoon. Slight chance of snow showers. Waves 1 foot or less.

FRIDAY NIGHT
West wind 5 to 10 knots. Slight chance of snow showers in the evening. Waves 1 foot or less.

SATURDAY
Southwest wind 5 to 10 knots with gusts to around 20 knots becoming southeast with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 1 foot or less.

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

LSZ144-270400
Two Harbors to Duluth MN
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
North wind 5 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of snow showers. Waves 1 to 2 feet.

FRIDAY NIGHT
West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
Southwest wind 10 to 15 knots with gusts to around 20 knots becoming south with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet.

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

LSZ145-270400
Duluth MN to Port Wing WI
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
North wind 5 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of snow showers. Waves 1 to 2 feet.

FRIDAY NIGHT
West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
Southwest wind 10 to 15 knots. Gusts up to 25 knots. Partly sunny. Waves 1 foot or less.

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

LSZ146-270400
Port Wing to Sand Island WI
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
North wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of snow showers in the morning. Waves 1 to 2 feet.

FRIDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
Southwest wind 5 to 10 knots with gusts to around 20 knots becoming south with gusts to around 20 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet.

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

LSZ147-270400
Sand Island to Bayfield WI
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
Northwest wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Slight chance of snow showers. Waves 1 to 3 feet.

FRIDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 1 to 3 feet.

SATURDAY
Southwest wind 5 to 10 knots becoming south with gusts to around 20 knots late in the afternoon. Mostly cloudy. Waves 1 foot or less.

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

LSZ150-270400
Outer Apostle Islands Beyond 5 NM from Mainland
442 PM CDT Thu Mar 26 2026

TONIGHT
North wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight.

FRIDAY
Northwest wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of snow showers. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.

FRIDAY NIGHT
Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Slight chance of snow showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed.

SATURDAY
Southwest wind 10 to 15 knots becoming south 5 to 10 knots with gusts to around 20 knots in the afternoon. Mostly cloudy. Waves 1 to 2 feet.

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

LSZ148-270400
Oak Point to Saxon Harbor WI
442 PM CDT Thu Mar 26 2026

TONIGHT
Northeast wind 5 to 10 knots becoming north late in the night. Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.

FRIDAY
Northwest wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Slight chance of snow showers. Waves 1 to 2 feet.

FRIDAY NIGHT
Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 1 to 2 feet.

SATURDAY
Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Partly sunny. 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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