Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 250248
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Nearshore Marine Forecast
National Weather Service Duluth MN
948 PM 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.

LSZ140-141-251015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
948 PM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...
...GALE WARNING IN EFFECT FROM 4 AM CDT MONDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots toward daybreak. 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 40 knots. Snow. Waves 8 to 11 feet. Waves
occasionally to 14 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots after midnight. Snow in the
evening. Rain and freezing rain through the night. Slight chance
of snow after midnight. Waves 7 to 12 feet subsiding to 6 to
9 feet early in the morning. Waves occasionally to 15 feet.
.TUESDAY...Northeast wind up to 30 knots with gales to around
35 knots becoming north 20 to 25 knots with gusts to around
30 knots late in the afternoon. Freezing rain and slight chance
of snow in the morning. Rain through the day. Snow in the
afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet.

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

$$

LSZ142-143-251015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
948 PM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...
...GALE WARNING IN EFFECT FROM 4 AM CDT MONDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
toward daybreak. Snow. Waves 4 to 7 feet. Waves occasionally to
10 feet.
.MONDAY...East wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots late in the afternoon. Snow. Waves 6 to
9 feet building to 8 to 11 feet late in the afternoon. Waves
occasionally to 15 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 30 knots. Snow in the evening. Rain
through the night. Slight chance of snow after midnight. Waves
8 to 13 feet subsiding to 8 to 11 feet early in the morning.
Waves occasionally to 17 feet.
.TUESDAY...North wind 20 to 25 knots with gusts to around
30 knots becoming north 20 to 25 knots with gales to around
35 knots in the afternoon. Rain and snow. Waves 7 to 10 feet
subsiding to 4 to 7 feet late in the afternoon. Waves
occasionally to 13 feet.

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

$$

LSZ144-145-251015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
948 PM CDT Sun Mar 24 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...
...GALE WARNING IN EFFECT FROM 4 AM CDT MONDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...East wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots after midnight. Snow. Waves 4 to 7 feet.
Waves occasionally to 9 feet.
.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 7 to 10 feet.
Waves occasionally to 13 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots after midnight. Snow in the
evening. Rain through the night. Freezing rain and slight chance
of snow after midnight. Waves 7 to 12 feet. Waves occasionally to
15 feet.
.TUESDAY...North wind 20 to 25 knots with gusts to around
30 knots becoming northwest with gusts to around 30 knots in the
afternoon. Rain, snow and freezing rain. Waves 7 to 10 feet.
Waves occasionally to 12 feet. A small craft advisory may be
needed.

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

$$

LSZ146-251015-
Port Wing to Sand Island WI-
948 PM CDT Sun Mar 24 2024

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

.REST OF TONIGHT...East wind 20 to 25 knots. Snow. Waves 4 to
6 feet. Waves occasionally to 7 feet.
.MONDAY...East wind 20 to 25 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. Waves occasionally to
11 feet.
.MONDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to
35 knots decreasing to 30 knots after midnight. Rain and slight
chance of snow through the night. Freezing rain after midnight.
Waves 7 to 10 feet. Waves occasionally to 13 feet.
.TUESDAY...Northeast wind up to 30 knots becoming north 20 to
25 knots with gusts to around 30 knots in the afternoon. Freezing
rain in the morning. Rain and snow through the day. Waves 8 to
11 feet. Waves occasionally to 14 feet. A small craft advisory
may be needed.

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

$$

LSZ147-251015-
Sand Island to Bayfield WI-
948 PM CDT Sun Mar 24 2024

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

.REST OF TONIGHT...East wind 15 to 20 knots with gusts to around
25 knots. Snow. Waves 3 to 5 feet.
.MONDAY...East wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Snow through the day.
Rain in the afternoon. Waves 5 to 8 feet. Waves occasionally to
11 feet.
.MONDAY NIGHT...Northeast wind 20 to 25 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. Freezing rain after midnight. Waves 7 to 10 feet. Waves
occasionally to 13 feet.
.TUESDAY...Northeast wind up to 30 knots becoming north 20 to
25 knots with gusts to around 30 knots in the afternoon. Freezing
rain and slight chance of snow in the morning. Rain through the
day. Snow in the afternoon. Waves 8 to 11 feet. Waves
occasionally to 15 feet. A small craft advisory may be needed.

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

$$

LSZ121-251015-
Chequamegon Bay-Bayfield to Oak Point WI-
948 PM CDT Sun Mar 24 2024

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

.REST OF TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
toward daybreak. Snow. Waves 1 to 3 feet.
.MONDAY...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Snow through the
day. Rain in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots in the late evening and
overnight. Rain. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 15 to 20 knots becoming north in the
afternoon. Rain and snow. Waves 1 to 3 feet.

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

$$

LSZ148-251015-
Oak Point to Saxon Harbor WI-
948 PM CDT Sun Mar 24 2024

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

.REST OF TONIGHT...East wind 10 to 15 knots with gusts to around
20 knots. Snow. Waves 2 to 4 feet.
.MONDAY...East wind 15 to 20 knots. Gusts up to 25 knots in the
afternoon. Slight chance of rain in the morning. Snow through the
day. Rain in the afternoon. Waves 4 to 6 feet. Waves occasionally
to 8 feet.
.MONDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to
30 knots decreasing to 25 knots in the late evening and
overnight. Rain. Waves 4 to 7 feet. Waves occasionally to 9 feet.
.TUESDAY...Northeast wind 20 to 25 knots becoming north 15 to
20 knots in the afternoon. Slight chance of snow in the morning.
Rain through the day. Snow in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 11 feet.

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

$$

LSZ150-251015-
Outer Apostle Islands Beyond 5 NM from Mainland-
948 PM CDT Sun Mar 24 2024

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

.REST OF TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots
toward daybreak. Snow. Waves 4 to 6 feet. Waves occasionally to
8 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 7 to 10 feet. Waves occasionally to
13 feet.
.MONDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots decreasing to 30 knots after midnight, then increasing
to 35 knots early in the morning. Slight chance of snow in the
evening. Rain through the night. Freezing rain after midnight.
Waves 7 to 12 feet. Waves occasionally to 16 feet.
.TUESDAY...Northeast wind up to 30 knots rising to gales to
35 knots late in the morning, then becoming north up to 30 knots
in the afternoon. Freezing rain and slight chance of snow in the
morning. Rain through the day. Snow in the afternoon. 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

Rothstein


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