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FZUS53 KDLH 041800
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1200 PM CST Wed Dec 4 2024

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>142-042300-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1200 PM CST Wed Dec 4 2024

...STORM WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest wind up to 30 knots. Gales up to
40 knots increasing to 45 knots late. Chance of snow showers.
Waves 4 to 6 feet. Waves occasionally to 8 feet.
.TONIGHT...Northwest wind up to 30 knots. Storm force gusts up to
50 knots decreasing to 45 knots after midnight. Mostly cloudy.
Waves 4 to 6 feet. Waves occasionally to 8 feet.
.THURSDAY...Northwest wind 20 to 25 knots with gales to around
40 knots easing to 10 to 15 knots with gusts to around 25 knots
late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding
to 1 to 3 feet in the afternoon. A gale warning may be needed.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the evening then 20 knots early in the morning. Mostly cloudy.
Waves 1 to 2 feet.

$$

LSZ143-042300-
Silver Bay Harbor to Two Harbors MN-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots. Chance of snow showers. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.TONIGHT...Northwest wind up to 30 knots. Gales up to 45 knots
decreasing to 40 knots early in the morning. Mostly cloudy. Waves
3 to 5 feet.
.THURSDAY...Northwest wind 15 to 20 knots with gales to around
35 knots easing to 5 to 10 knots late in the afternoon. Mostly
sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.

$$

LSZ144-145-042300-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots. Freezing spray. Chance of snow showers. Waves
6 to 9 feet. Waves occasionally to 12 feet.
.TONIGHT...Northwest gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 45 knots
in the late evening and overnight. Freezing spray. Waves 6 to
9 feet. Waves occasionally to 11 feet.
.THURSDAY...Northwest wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 20 knots
in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to
1 to 3 feet in the afternoon. Waves occasionally to 8 feet. A
small craft advisory may be needed.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Partly cloudy in the evening then becoming
mostly cloudy. Waves 1 to 2 feet.

$$

LSZ146-042300-
Port Wing to Sand Island WI-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots rising to gales to 35 knots with gales to around
45 knots late. Freezing spray. Chance of snow showers. Waves 7 to
10 feet. Waves occasionally to 13 feet.
.TONIGHT...Northwest wind up to 30 knots. Gales up to 45 knots
decreasing to 35 knots. Freezing spray. Waves 7 to 10 feet. Waves
occasionally to 12 feet.
.THURSDAY...Northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
in the afternoon. Freezing spray in the morning. Waves 4 to
7 feet subsiding to 1 to 3 feet. Waves occasionally to 9 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 to 2 feet building to 1 to
3 feet early in the morning.

$$

LSZ147-042300-
Sand Island to Bayfield WI-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots rising to gales to 35 knots with gales to around
45 knots late. Freezing spray. Chance of snow showers. Waves 7 to
10 feet. Waves occasionally to 13 feet.
.TONIGHT...Northwest gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 40 knots
after midnight. Freezing spray through the night. Slight chance
of snow showers through the night. Waves 7 to 10 feet. Waves
occasionally to 13 feet.
.THURSDAY...Northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
in the afternoon. Mostly sunny. Waves 5 to 8 feet subsiding to
3 to 5 feet in the afternoon. Waves occasionally to 10 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Mostly cloudy. Waves
1 to 2 feet building to 1 to 3 feet early in the morning.

$$

LSZ121-042300-
Chequamegon Bay-Bayfield to Oak Point WI-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots. Chance of snow showers. Waves 2 to 4 feet.
.TONIGHT...Northwest wind up to 30 knots. Gales up to 45 knots
decreasing to 35 knots after midnight. Chance of snow showers in
the evening, then slight chance of snow showers after midnight.
Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning.
.THURSDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots late in the afternoon.
Partly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.

$$

LSZ148-042300-
Oak Point to Saxon Harbor WI-
1200 PM CST Wed Dec 4 2024

...GALE WARNING IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TODAY...Northwest wind up to 30 knots with gales to
around 40 knots. Freezing spray. Chance of snow showers. Waves
5 to 8 feet. Waves occasionally to 11 feet.
.TONIGHT...Northwest wind up to 30 knots. Gales up to 45 knots
decreasing to 35 knots. Freezing spray. Chance of snow showers.
Waves 6 to 9 feet. Waves occasionally to 12 feet.
.THURSDAY...Northwest wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 20 knots
in the afternoon. Slight chance of snow showers in the morning.
Waves 5 to 8 feet subsiding to 3 to 5 feet in the afternoon.
Waves occasionally to 11 feet. A small craft advisory may be
needed.
.THURSDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Partly cloudy in the evening then becoming
mostly cloudy. Waves 1 to 2 feet.

$$

LSZ150-042300-
Outer Apostle Islands Beyond 5 NM from Mainland-
1200 PM CST Wed Dec 4 2024

...STORM WARNING IN EFFECT THROUGH THURSDAY MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...Northwest gales to 35 knots. Gales up to
40 knots increasing to 45 knots late. Freezing spray. Chance of
snow showers. Waves 7 to 12 feet. Waves occasionally to 16 feet.
.TONIGHT...Northwest gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 45 knots
after midnight. Freezing spray through the night. Slight chance
of snow showers through the night. Waves 8 to 13 feet. Waves
occasionally to 17 feet. A gale warning may be needed.
.THURSDAY...Northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
late in the afternoon. Mostly sunny. Waves 7 to 10 feet subsiding
to 4 to 6 feet in the afternoon. Waves occasionally to 14 feet. A
gale warning may be needed.
.THURSDAY NIGHT...Northwest wind 10 knots becoming west in the
late evening and overnight. Gusts up to 20 knots. Mostly cloudy.
Waves 1 to 3 feet.

$$

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

BJH