Nearshore Marine Forecast
Issued by NWS Duluth, MN

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712
FZUS53 KDLH 221938
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
138 PM CST Wed Jan 22 2025

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.

LSZ140-141-222315-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 25 knots late. Slight chance of snow
showers early in the afternoon, then chance of snow showers late.
Waves 3 to 5 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots early in the morning. Chance of flurries
in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early
in the morning.
.THURSDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Mostly
sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Mostly clear. Waves 1 foot or less.

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

$$

LSZ143-222315-
Silver Bay Harbor to Two Harbors MN-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots late. Slight chance of snow
showers. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of flurries
in the evening. Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest early in the morning. Mostly clear.
Waves 1 to 2 feet.

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

$$

LSZ142-222315-
Taconite Harbor to Silver Bay Harbor MN-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots late. Slight chance of snow
showers. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Chance of flurries in the
evening. Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Mostly
sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 to 10 knots with gusts to around
20 knots becoming west 5 to 10 knots early in the morning. Mostly
clear. Waves 1 foot or less.

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

$$

LSZ144-222315-
Two Harbors to Duluth MN-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of snow showers. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries in the evening. Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 10 to 15 knots in the late morning
and afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest early in the morning. Mostly clear.
Waves 1 to 2 feet.

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

$$

LSZ145-222315-
Duluth MN to Port Wing WI-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots late. Slight chance of snow
showers. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Chance of flurries through
the night. Waves 1 to 3 feet subsiding to 1 to 2 feet early in
the morning.
.THURSDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning then 20 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest early in the morning. Mostly clear.
Waves 1 to 2 feet.

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

$$

LSZ146-222315-
Port Wing to Sand Island WI-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 5 to 15 knots with gusts to
around 20 knots rising to 15 to 20 knots with gusts to around
25 knots late. Slight chance of snow showers. Waves 2 to 4 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Slight chance of
snow showers in the evening, then chance of flurries after
midnight. Waves 2 to 4 feet.
.THURSDAY...Northwest wind 10 to 15 knots becoming west late in
the afternoon. Gusts up to 20 knots. Slight chance of snow
showers in the morning. Waves 1 to 3 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.

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

$$

LSZ147-222315-
Sand Island to Bayfield WI-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 25 knots late. Chance of snow showers.
Waves 2 to 4 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of snow
showers in the evening, then slight chance of snow showers after
midnight. Waves 3 to 5 feet.
.THURSDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Slight chance of snow showers in the morning. Waves
1 to 3 feet subsiding to 1 to 2 feet in the late morning and
afternoon.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.

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

$$

LSZ150-222315-
Outer Apostle Islands Beyond 5 NM from Mainland-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TODAY...Northwest wind 15 to 20 knots with gusts to
around 25 knots. Chance of snow showers. Waves 2 to 4 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Heavy
freezing spray in the evening. Chance of snow showers through the
night. Waves 4 to 6 feet. Waves occasionally to 7 feet.
.THURSDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Slight
chance of snow showers in the morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.

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

$$

LSZ148-222315-
Oak Point to Saxon Harbor WI-
138 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots late. Chance of snow showers.
Waves 1 foot or less.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of snow
showers. Waves 1 foot or less.
.THURSDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west late in the afternoon. Chance of snow
showers in the morning. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 10 to 15 knots becoming southwest
late in the evening, then rising to 10 to 15 knots after
midnight. Mostly clear. Waves 1 foot or less.

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

$$

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

JDS