136
FZUS53 KDLH 052059
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
259 PM CST Wed Feb 5 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.

LSZ140-141-060515-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming south 15 to 20 knots with gusts to around
25 knots after midnight. Slight chance of snow early in the
evening, then chance of snow late in the evening. Snow after
midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late
evening and overnight. Waves occasionally to 7 feet.
.THURSDAY...West wind up to 30 knots with gales to around
35 knots. Slight chance of snow through the day. Heavy freezing
spray in the afternoon. Waves 4 to 6 feet. Waves occasionally to
8 feet.
.THURSDAY NIGHT...Northwest wind up to 30 knots with gales to
around 35 knots easing to 15 to 20 knots with gusts to around
30 knots early in the morning. Mostly cloudy in the evening then
becoming partly cloudy. Waves 4 to 6 feet subsiding to 1 to
3 feet early in the morning. Waves occasionally to 8 feet.
.FRIDAY...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Mostly
sunny. Waves 1 to 2 feet.

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

$$

LSZ142-143-060515-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest 15 to 20 knots with gusts to around
25 knots after midnight. Slight chance of snow early in the
evening, then snow in the late evening and overnight. Waves 1 to
3 feet building to 2 to 4 feet late in the night.
.THURSDAY...West wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Slight
chance of snow in the morning. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.THURSDAY NIGHT...West wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
early in the morning. Mostly cloudy in the evening then becoming
partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots.
Mostly sunny. Waves 1 to 2 feet.

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

$$

LSZ144-145-060515-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...Southeast wind 5 to 10 knots with gusts to around
20 knots becoming south 10 to 15 knots with gusts to around
25 knots after midnight, then becoming southwest 15 to 20 knots
with gusts to around 25 knots late in the night. Chance of snow
early in the evening, then snow in the late evening and
overnight. Waves 1 to 2 feet building to 1 to 3 feet late in the
night.
.THURSDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Heavy
freezing spray. Waves 5 to 8 feet. Waves occasionally to 11 feet.
.THURSDAY NIGHT...West wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 30 knots
after midnight. Heavy freezing spray in the evening. Waves 5 to
8 feet subsiding to 3 to 5 feet after midnight. Waves
occasionally to 10 feet.
.FRIDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
morning. Mostly sunny. Waves 1 to 3 feet.

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

$$

LSZ146-060515-
Port Wing to Sand Island WI-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...Southeast wind 5 to 10 knots with gusts to around
20 knots becoming south 15 to 20 knots with gusts to around
25 knots after midnight. Chance of snow early in the evening,
then snow in the late evening and overnight. Waves 1 to 2 feet
building to 2 to 4 feet late in the night.
.THURSDAY...West wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots in the afternoon. Slight chance of snow in
the morning. Heavy freezing spray through the day. Waves 4 to
7 feet building to 7 to 10 feet in the late morning and
afternoon. Waves occasionally to 12 feet.
.THURSDAY NIGHT...West wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
early in the morning. Heavy freezing spray through the night.
Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves
occasionally to 12 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots.
Partly sunny. Waves 2 to 4 feet.

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

$$

LSZ147-060515-
Sand Island to Bayfield WI-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 25 knots after
midnight. Slight chance of snow early in the evening, then snow
likely late in the evening. Snow after midnight. Waves 1 to
2 feet.
.THURSDAY...West wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots in the afternoon. Slight chance of snow in
the morning. Heavy freezing spray through the day. Waves 4 to
7 feet building to 7 to 10 feet in the late morning and
afternoon. Waves occasionally to 12 feet.
.THURSDAY NIGHT...West wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
early in the morning. Heavy freezing spray. Waves 6 to 9 feet
subsiding to 4 to 6 feet after midnight. Waves occasionally to
12 feet.
.FRIDAY...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Partly
sunny. Waves 2 to 4 feet. A small craft advisory may be needed.

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

$$

LSZ150-060515-
Outer Apostle Islands Beyond 5 NM from Mainland-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest 15 to 20 knots with gusts to around
25 knots late in the night. Snow likely in the evening, then snow
after midnight. Waves 1 to 3 feet building to 2 to 4 feet late in
the night.
.THURSDAY...West wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots in the afternoon. Heavy freezing spray
through the day. Chance of snow in the morning. Slight chance of
snow in the afternoon. Waves 4 to 7 feet building to 8 to 11 feet
in the late morning and afternoon. Waves occasionally to 14 feet.
.THURSDAY NIGHT...West wind up to 30 knots with gales to around
40 knots easing to 15 to 20 knots with gusts to around 25 knots
early in the morning. Heavy freezing spray. Waves 8 to 11 feet
subsiding to 4 to 6 feet. Waves occasionally to 14 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots.
Partly sunny. Waves 3 to 5 feet. A small craft advisory may be
needed.

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

$$

LSZ148-060515-
Oak Point to Saxon Harbor WI-
259 PM CST Wed Feb 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.TONIGHT...South wind 5 to 10 knots with gusts to around 25 knots
becoming southwest 10 to 15 knots with gusts to around 25 knots
late in the night. Chance of snow early in the evening, then snow
in the late evening and overnight. Waves 1 foot or less.
.THURSDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Slight
chance of snow. Waves 1 to 2 feet building to 2 to 4 feet in the
late morning and afternoon.
.THURSDAY NIGHT...West wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 30 knots
after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet after midnight.
.FRIDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
morning. Mostly sunny. Waves 1 foot or less.

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

$$

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

Britt