917
FZUS53 KDLH 310910
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
310 AM CST Fri Jan 31 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.

LSZ140-141-311715-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
310 AM CST Fri Jan 31 2025

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Mostly clear in the evening then becoming
mostly cloudy. Waves 1 to 2 feet.
.SATURDAY...East wind 10 to 15 knots with gusts to around
25 knots becoming southeast 15 to 20 knots with gales to around
35 knots in the afternoon. Chance of snow in the morning, then
snow in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet
in the late morning and afternoon. Waves occasionally to 7 feet.
A gale warning may be needed.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots. Gales up to
40 knots decreasing to 35 knots after midnight. Snow. Waves 4 to
6 feet. Waves occasionally to 8 feet. A gale warning may be
needed.

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

$$

LSZ142-143-311715-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
310 AM CST Fri Jan 31 2025

.TODAY...Northeast wind 5 to 10 knots. Chance of flurries through
the day. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots with gusts to around
20 knots rising to 10 to 15 knots with gusts to around 20 knots
early in the morning. Chance of flurries after midnight. Waves
1 to 2 feet.
.SATURDAY...East wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late in the afternoon. Chance of snow in
the morning, then snow in the afternoon. Waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon. Waves
occasionally to 7 feet. A small craft advisory may be needed.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to
35 knots decreasing to 25 knots. Snow. Waves 3 to 5 feet. Waves
occasionally to 7 feet. A gale warning may be needed.

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

$$

LSZ144-145-311715-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
310 AM CST Fri Jan 31 2025

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots late
in the morning. Chance of flurries through the day. Waves 1 to
3 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east with gusts to around 20 knots early in the
morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.
.SATURDAY...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of snow in the
morning, then snow likely in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots early in the morning. Snow in the evening, then snow
likely after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet
after midnight.

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

$$

LSZ146-311715-
Port Wing to Sand Island WI-
310 AM CST Fri Jan 31 2025

.TODAY...Northeast wind 10 to 15 knots easing to 10 knots late in
the afternoon. Gusts up to 20 knots. Chance of flurries in the
morning, then slight chance of snow in the afternoon. Waves 1 to
2 feet building to 1 to 3 feet in the late morning and afternoon.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east early in the morning. Chance of flurries
in the evening. Waves 1 to 2 feet.
.SATURDAY...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of snow in the
morning, then snow likely in the afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Snow. Waves 1 to 2 feet.

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

$$

LSZ147-311715-
Sand Island to Bayfield WI-
310 AM CST Fri Jan 31 2025

.TODAY...Northeast wind 10 to 15 knots easing to 10 knots late in
the afternoon. Gusts up to 20 knots in the late morning and
afternoon. Chance of flurries in the morning, then chance of snow
in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in
the late morning and afternoon.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east 5 to 10 knots early in the morning. Chance
of flurries. Waves 1 to 3 feet.
.SATURDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of snow in the
morning, then snow likely in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots early in the morning. Snow. Waves
1 to 3 feet.

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

$$

LSZ150-311715-
Outer Apostle Islands Beyond 5 NM from Mainland-
310 AM CST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries in the morning, then slight chance
of snow early in the afternoon. Chance of snow late in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.TONIGHT...Northeast wind 10 to 15 knots becoming east early in
the morning. Gusts up to 20 knots. Chance of flurries. Waves 2 to
4 feet subsiding to 1 to 3 feet early in the morning.
.SATURDAY...Southeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Slight
chance of snow in the morning, then snow likely in the afternoon.
Waves 1 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. A small craft advisory may be needed.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots early in the morning. Snow. Waves
3 to 5 feet. A small craft advisory may be needed.

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

$$

LSZ148-311715-
Oak Point to Saxon Harbor WI-
310 AM CST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of flurries in the
morning, then chance of snow in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east 5 to 10 knots after midnight. Chance of
flurries in the evening. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...Southeast wind 10 to 15 knots. Gusts up to 25 knots.
Slight chance of snow in the morning, then snow in the afternoon.
Waves 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots early in the morning. Snow. Waves
1 to 3 feet.

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

$$

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

Huyck