Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 260221
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
921 PM CDT Mon Mar 25 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.

LSZ140-141-261015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 30 knots. Chance of snow and slight chance
of rain late in the evening, then snow, light sleet, rain and
freezing rain likely after midnight. Freezing rain and sleet
toward daybreak. Waves 8 to 11 feet subsiding to 6 to 9 feet
toward daybreak. Waves occasionally to 15 feet.
.TUESDAY...Northeast wind 20 to 25 knots becoming northwest late
in the afternoon. Gusts up to 35 knots. Freezing rain and sleet
in the morning. Snow through the day. Slight chance of light
freezing rain in the afternoon. Waves 5 to 8 feet. Waves
occasionally to 11 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to
35 knots decreasing to 25 knots. Chance of snow in the evening,
then slight chance of snow after midnight. Waves 3 to 5 feet.
Waves occasionally to 7 feet.
.WEDNESDAY...West wind 20 to 25 knots. Gusts up to 30 knots in
the afternoon. Slight chance of snow in the morning, then chance
of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally
to 8 feet. A small craft advisory may be needed.

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

$$

LSZ142-143-261015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots after midnight. Chance of rain,
snow, slight chance of light freezing rain and light sleet late
in the evening, then freezing rain, snow with rain likely and
sleet after midnight. Waves 7 to 12 feet. Waves occasionally to
16 feet.
.TUESDAY...North wind 20 to 25 knots becoming northwest in the
afternoon. Gusts up to 35 knots. Freezing rain in the morning.
Snow through the day. Freezing spray in the afternoon. Waves 7 to
10 feet subsiding to 4 to 7 feet late in the afternoon. Waves
occasionally to 13 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to
35 knots decreasing to 25 knots. Chance of snow in the evening.
Slight chance of snow after midnight. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.WEDNESDAY...West wind up to 30 knots. Slight chance of snow in
the morning, then chance of snow in the afternoon. Waves 4 to
6 feet. Waves occasionally to 8 feet. A small craft advisory may
be needed.

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

$$

LSZ144-145-261015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind up to 30 knots with gales to
around 35 knots. Chance of rain and slight chance of snow late in
the evening, then rain, snow, freezing rain and slight chance of
light sleet after midnight. Waves 8 to 11 feet. Waves
occasionally to 15 feet.
.TUESDAY...North wind 20 to 25 knots with gales to around
35 knots becoming northwest with gales to around 35 knots in the
afternoon. Freezing spray through the day. Slight chance of light
sleet in the morning. Snow through the day. Waves 7 to 10 feet
subsiding to 4 to 7 feet late in the afternoon. Waves
occasionally to 13 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots with gusts to
around 30 knots. Chance of snow in the evening. Freezing spray
through the night. Waves 3 to 5 feet. Waves occasionally to
7 feet. A small craft advisory may be needed.
.WEDNESDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Freezing spray in the
morning. Chance of snow through the day. Waves 4 to 7 feet. Waves
occasionally to 10 feet. A gale warning may be needed.

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

$$

LSZ146-261015-
Port Wing to Sand Island WI-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 20 to 25 knots. Gusts up to
30 knots increasing to 35 knots after midnight. Chance of rain
and slight chance of snow late in the evening, then rain after
midnight. Slight chance of snow and light sleet toward daybreak.
Waves 8 to 11 feet. Waves occasionally to 14 feet.
.TUESDAY...North wind 20 to 25 knots with gales to around
40 knots becoming northwest with gales to around 40 knots early
in the afternoon, then easing to 10 to 20 knots with gusts to
around 30 knots late in the afternoon. Freezing rain in the
morning. Snow through the day. Freezing spray in the afternoon.
Waves 8 to 11 feet subsiding to 5 to 8 feet late in the
afternoon. Waves occasionally to 15 feet.
.TUESDAY NIGHT...West wind 20 to 25 knots with gusts to around
30 knots. Freezing spray through the night. Snow likely in the
evening. Slight chance of snow after midnight. Waves 4 to 6 feet.
Waves occasionally to 8 feet. A small craft advisory may be
needed.
.WEDNESDAY...West wind up to 30 knots. Gusts up to 35 knots in
the afternoon. Freezing spray. Chance of snow. Waves 6 to 9 feet.
Waves occasionally to 11 feet. A gale warning may be needed.

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

$$

LSZ147-261015-
Sand Island to Bayfield WI-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 20 to 25 knots. Gusts up to
30 knots increasing to 35 knots after midnight. Rain likely and
slight chance of snow late in the evening, then rain after
midnight. Slight chance of light sleet toward daybreak. Waves
8 to 11 feet. Waves occasionally to 15 feet.
.TUESDAY...Northeast wind 20 to 25 knots with gales to around
40 knots becoming northwest with gales to around 35 knots in the
afternoon. Rain and freezing rain in the morning. Snow through
the day. Waves 7 to 12 feet subsiding to 5 to 8 feet late in the
afternoon. Waves occasionally to 15 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to
30 knots early in the evening then 30 knots early in the morning.
Freezing spray through the night. Chance of snow in the evening.
Slight chance of snow after midnight. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.WEDNESDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Freezing spray in the
morning. Slight chance of snow in the morning, then chance of
snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to
11 feet. A gale warning may be needed.

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

$$

LSZ121-261015-
Chequamegon Bay-Bayfield to Oak Point WI-
921 PM CDT Mon Mar 25 2024

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

.REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to
25 knots late in the evening. Rain likely late in the evening,
then rain after midnight. Slight chance of snow toward daybreak.
Waves 1 to 3 feet.
.TUESDAY...North wind 15 to 20 knots becoming northwest in the
afternoon. Gusts up to 25 knots. Rain and snow. Waves 1 to
3 feet.
.TUESDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
in the evening. Snow likely in the evening, then slight chance of
snow after midnight. Waves 1 to 2 feet.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late in the afternoon. Slight chance of
snow in the morning, then chance of snow in the afternoon. Waves
1 to 2 feet.

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

$$

LSZ148-261015-
Oak Point to Saxon Harbor WI-
921 PM CDT Mon Mar 25 2024

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

.REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to
25 knots late in the evening then 25 knots toward daybreak. Rain
likely late in the evening, then rain after midnight. Waves 6 to
9 feet. Waves occasionally to 11 feet.
.TUESDAY...North wind 15 to 20 knots with gusts to around
30 knots becoming northwest with gales to around 35 knots in the
afternoon. Rain and snow. Waves 6 to 9 feet. Waves occasionally
to 12 feet. A gale warning may be needed.
.TUESDAY NIGHT...West wind 20 to 25 knots. Snow in the evening,
then slight chance of snow after midnight. Waves 4 to 6 feet.
Waves occasionally to 8 feet. A small craft advisory may be
needed.
.WEDNESDAY...West wind 20 to 25 knots. Gusts up to 30 knots late
in the afternoon. Slight chance of snow in the morning, then
chance of snow in the afternoon. Waves 2 to 4 feet. A small craft
advisory may be needed.

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

$$

LSZ150-261015-
Outer Apostle Islands Beyond 5 NM from Mainland-
921 PM CDT Mon Mar 25 2024

...GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots increasing to 40 knots toward daybreak. Rain likely and
slight chance of snow late in the evening, then rain after
midnight. Freezing rain and slight chance of light sleet toward
daybreak. Waves 8 to 13 feet. Waves occasionally to 16 feet.
.TUESDAY...Northeast wind up to 30 knots with gales to around
40 knots becoming northwest 20 to 25 knots with gales to around
40 knots in the afternoon. Freezing rain in the morning. Rain and
snow through the day. Waves 8 to 13 feet subsiding to 6 to 9 feet
late in the afternoon. Waves occasionally to 17 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to
30 knots early in the evening then 30 knots early in the morning.
Freezing spray through the night. Chance of snow in the evening.
Slight chance of snow after midnight. Waves 5 to 8 feet. Waves
occasionally to 10 feet. A small craft advisory may be needed.
.WEDNESDAY...West wind up to 30 knots. Gusts up to 35 knots in
the afternoon. Freezing spray in the morning. Chance of snow
through the day. Waves 6 to 9 feet. Waves occasionally to
11 feet. A gale warning may be needed.

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

$$

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

Britt


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