Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 241436
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
936 AM CDT Sun Mar 24 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.

LSZ140-141-242230-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
EVENING...

.REST OF TODAY...East wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow early in the afternoon. Chance of
snow late. Waves 1 to 2 feet building to 2 to 4 feet late.
.TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and early morning,
then increasing to 30 knots early in the morning. Snow. Waves
4 to 7 feet. Waves occasionally to 10 feet. A small craft
advisory may be needed.
.MONDAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 40 knots. Snow. Waves 6 to 9 feet building to 7 to
12 feet in the late morning and afternoon. Waves occasionally to
16 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
45 knots decreasing to 30 knots. Snow in the evening. Rain and
freezing rain through the night. Waves 7 to 12 feet subsiding to
6 to 9 feet after midnight. Waves occasionally to 15 feet.

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

$$

LSZ142-143-242230-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
EVENING...

.REST OF TODAY...Southeast wind 15 to 20 knots becoming east
20 to 25 knots with gusts to around 30 knots late. Chance of snow
early in the afternoon. Snow late. Waves 1 to 2 feet building to
3 to 5 feet late. Waves occasionally to 7 feet.
.TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight, then increasing to
30 knots early in the morning. Snow. Waves 5 to 8 feet. Waves
occasionally to 10 feet. A small craft advisory may be needed.
.MONDAY...East wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots late in the afternoon. Snow. Waves 7 to
10 feet building to 9 to 14 feet in the late morning and
afternoon. Waves occasionally to 18 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
45 knots decreasing to 30 knots. Snow in the evening. Rain and
light freezing rain through the night. Waves 8 to 13 feet
subsiding to 7 to 10 feet early in the morning. Waves
occasionally to 17 feet.

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

$$

LSZ144-145-242230-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
EVENING...

.REST OF TODAY...East wind 15 to 20 knots with gusts to around
25 knots rising to 20 to 25 knots with gusts to around 30 knots
late. Slight chance of snow late in the morning, then chance of
snow early in the afternoon. Snow late. Waves 1 to 2 feet
building to 4 to 6 feet. Waves occasionally to 8 feet.
.TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight, then increasing to
30 knots early in the morning. Snow. Waves 4 to 7 feet. Waves
occasionally to 9 feet. A small craft advisory may be needed.
.MONDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots late in the afternoon. Snow through the
day. Slight chance of rain in the afternoon. Waves 8 to 13 feet.
Waves occasionally to 17 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 30 knots. Slight chance of snow in the
evening. Rain through the night. Freezing rain after midnight.
Waves 8 to 13 feet subsiding to 7 to 10 feet early in the
morning. Waves occasionally to 17 feet.

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

$$

LSZ146-242230-
Port Wing to Sand Island WI-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east 20 to
25 knots with gusts to around 30 knots in the afternoon. Slight
chance of snow late in the morning, then chance of snow early in
the afternoon. Snow late. Waves 1 to 2 feet building to 3 to
5 feet late.
.TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Snow.
Waves 4 to 6 feet. Waves occasionally to 7 feet.
.MONDAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Snow through the day.
Rain in the afternoon. Waves 6 to 9 feet building to 7 to 12 feet
in the afternoon. Waves occasionally to 15 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots decreasing to 30 knots in the late evening and
overnight. Slight chance of snow in the evening. Rain through the
night. Waves 7 to 12 feet. Waves occasionally to 15 feet.

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

$$

LSZ147-242230-
Sand Island to Bayfield WI-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east 15 to
20 knots with gusts to around 25 knots in the afternoon. Chance
of snow early in the afternoon. Snow late. Waves 1 to 2 feet
building to 2 to 4 feet late.
.TONIGHT...East wind 20 to 25 knots. Snow. Waves 3 to 5 feet.
Waves occasionally to 7 feet.
.MONDAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of
freezing rain in the morning. Snow through the day. Rain in the
afternoon. Waves 5 to 8 feet building to 8 to 11 feet in the
afternoon. Waves occasionally to 14 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots decreasing to 30 knots in the late evening and
overnight. Slight chance of snow in the evening. Rain through the
night. Waves 8 to 11 feet. Waves occasionally to 14 feet.

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

$$

LSZ121-242230-
Chequamegon Bay-Bayfield to Oak Point WI-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east 15 to
20 knots in the afternoon. Slight chance of snow late in the
morning, then chance of snow early in the afternoon. Snow likely
late. Waves 1 to 2 feet.
.TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Snow.
Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.MONDAY...East wind 20 to 25 knots. Snow through the day. Rain,
slight chance of freezing rain and light sleet in the afternoon.
Waves 5 to 8 feet. Waves occasionally to 10 feet.
.MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots. Rain. Waves 5 to 8 feet. Waves occasionally to
10 feet.

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

$$

LSZ148-242230-
Oak Point to Saxon Harbor WI-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east 15 to
20 knots in the afternoon. Slight chance of snow late in the
morning, then chance of snow early in the afternoon. Snow late.
Waves 1 to 2 feet building to 2 to 4 feet late.
.TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Snow.
Waves 3 to 5 feet.
.MONDAY...East wind 20 to 25 knots. Slight chance of rain in the
morning. Snow through the day. Rain in the afternoon. Waves 5 to
8 feet. Waves occasionally to 10 feet.
.MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots. Rain. Waves 5 to 8 feet. Waves occasionally to
10 feet.

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

$$

LSZ150-242230-
Outer Apostle Islands Beyond 5 NM from Mainland-
936 AM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.REST OF TODAY...Southeast wind 10 knots becoming east with gusts
to around 20 knots early in the afternoon, then rising to 20 to
25 knots late. Chance of snow early in the afternoon. Snow late.
Waves 1 to 2 feet building to 3 to 5 feet late.
.TONIGHT...East wind 20 to 25 knots. Snow. Waves 4 to 7 feet.
Waves occasionally to 9 feet.
.MONDAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Snow
through the day. Rain in the afternoon. Waves 7 to 12 feet. Waves
occasionally to 16 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots decreasing to 30 knots in the late evening and early
morning, then increasing to 35 knots early in the morning. Slight
chance of snow in the evening. Rain through the night. Waves 7 to
12 feet. Waves occasionally to 16 feet.

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

$$

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

JJM


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