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FZUS53 KDLH 240621
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1221 AM CST Mon Nov 24 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.

LSZ140-241700-
Grand Portage to Grand Marais MN-
1221 AM CST Mon Nov 24 2025

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 knots late in the afternoon. Sunny. Waves
1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain in the morning. Slight chance of snow
through the day. Rain likely in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. A small craft
advisory may be needed.
.TUESDAY NIGHT...North wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots after midnight. Rain in the evening. Snow
through the night. Waves 4 to 7 feet. Waves occasionally to
9 feet. A gale warning may be needed.

$$

LSZ141-241700-
Grand Marais to Taconite Harbor MN-
1221 AM CST Mon Nov 24 2025

.TODAY...West wind 5 to 10 knots becoming northwest late in the
afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots rising to 10 to 15 knots
after midnight. Mostly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of rain in the
morning, then rain likely and slight chance of snow in the
afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the
afternoon.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late evening and overnight. Rain in
the evening. Snow through the night. Waves 2 to 4 feet. A gale
warning may be needed.

$$

LSZ142-241700-
Taconite Harbor to Silver Bay Harbor MN-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 5 to 10 knots becoming northwest late in
the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots after midnight. Mostly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain in the morning, then rain and slight
chance of snow in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots easing to 15 to 20 knots with gales to around 35 knots
early in the morning. Rain in the evening. Snow through the
night. Waves 2 to 4 feet. A gale warning may be needed.

$$

LSZ143-241700-
Silver Bay Harbor to Two Harbors MN-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots becoming west 5 knots late
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots after midnight. Slight
chance of rain after midnight. Waves 1 foot or less.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Chance of rain in the
morning, then rain in the afternoon. Waves 1 to 2 feet building
to 2 to 4 feet in the afternoon. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots. Rain in the evening. Snow through the night. Slight
chance of rain after midnight. Waves 2 to 4 feet. A gale warning
may be needed.

$$

LSZ144-241700-
Two Harbors to Duluth MN-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots becoming northwest 5 knots
late in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots after midnight. Slight
chance of rain after midnight. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the
afternoon. A gale warning may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots. Rain in the evening. Snow through the night. Slight
chance of rain after midnight. Waves 3 to 5 feet. A gale warning
may be needed.

$$

LSZ145-241700-
Duluth MN to Port Wing WI-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots becoming west 5 knots late
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Chance of rain after midnight. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. A gale warning may be needed.
.TUESDAY NIGHT...North wind up to 30 knots with gales to around
40 knots. Rain in the evening. Snow through the night. Slight
chance of rain after midnight. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A gale warning may be needed.

$$

LSZ146-241700-
Port Wing to Sand Island WI-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming east with gusts
to around 20 knots after midnight. Chance of rain after midnight.
Waves 1 foot or less.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the
afternoon. A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north 20 to 25 knots with gales to
around 40 knots early in the morning. Rain in the evening. Snow
through the night. Slight chance of rain after midnight. Waves
4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be
needed.

$$

LSZ147-241700-
Sand Island to Bayfield WI-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Chance of rain after midnight. Waves 1 foot or less.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Chance of rain in the
morning, then rain in the afternoon. Waves 1 to 3 feet building
to 2 to 4 feet in the afternoon. A small craft advisory may be
needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots becoming north
15 to 25 knots early in the morning. Gusts up to 35 knots. Rain
in the evening. Snow through the night. Slight chance of rain
after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet.
A gale warning may be needed.

$$

LSZ150-241700-
Outer Apostle Islands Beyond 5 NM from Mainland-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Slight chance of rain after midnight. Waves 1 to
2 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Chance of rain in the morning, then rain
in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in
the late morning and afternoon. A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north with gales to around 40 knots
early in the morning. Rain in the evening. Snow through the
night. Slight chance of rain after midnight. Waves 7 to 10 feet.
Waves occasionally to 13 feet. A gale warning may be needed.

$$

LSZ121-241700-
Chequamegon Bay-Bayfield to Oak Point WI-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 5 to 10 knots becoming west late in the
afternoon. Partly sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain in
the evening, then chance of rain after midnight. Waves 1 foot or
less.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots.
Rain likely in the morning, then rain in the afternoon. Waves
1 to 2 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots becoming north
after midnight. Gusts up to 35 knots. Rain in the evening, then
snow and slight chance of rain after midnight. Waves 1 to 3 feet.
A gale warning may be needed.

$$

LSZ148-241700-
Oak Point to Saxon Harbor WI-
1221 AM CST Mon Nov 24 2025

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Slight chance of rain
in the evening, then chance of rain after midnight. Waves 1 foot
or less.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots.
Rain likely in the morning, then rain in the afternoon. Waves
1 to 3 feet building to 2 to 4 feet late in the afternoon. A
small craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north with gales to around 40 knots
early in the morning. Rain through the night. Snow after
midnight. Waves 6 to 9 feet. Waves occasionally to 11 feet. A
gale warning may be needed.

$$

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

WFO DLH