Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 140245
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Nearshore Marine Forecast
National Weather Service Duluth MN
945 PM CDT Wed Mar 13 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.

LSZ140-141-141015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
945 PM CDT Wed Mar 13 2024

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 to 2 feet.
.THURSDAY...East wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast wind 5 knots becoming north in the
late evening and overnight. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 5 to 10 knots becoming west late in the
morning, then becoming southwest 15 to 20 knots with gusts to
around 25 knots in the afternoon. Partly sunny. Waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon.

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

$$

LSZ143-141015-
Silver Bay Harbor to Two Harbors MN-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Partly sunny.
Waves 2 to 4 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Mostly cloudy. Waves 1 to 3 feet.
.FRIDAY...West wind 10 to 15 knots becoming southwest 15 to
20 knots in the afternoon. Partly sunny. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.

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

$$

LSZ142-141015-
Taconite Harbor to Silver Bay Harbor MN-
945 PM CDT Wed Mar 13 2024

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 to 2 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Partly sunny. Waves 2 to 4 feet.
.THURSDAY NIGHT...Northeast wind 5 knots becoming northwest early
in the morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.FRIDAY...West wind 5 to 10 knots becoming southwest 15 to
20 knots in the afternoon. Partly sunny. Waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon.

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

$$

LSZ144-145-141015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Mostly cloudy.
Waves 3 to 5 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Mostly cloudy. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.

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

$$

LSZ146-141015-
Port Wing to Sand Island WI-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Mostly cloudy.
Waves 2 to 4 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Mostly cloudy. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.

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

$$

LSZ147-141015-
Sand Island to Bayfield WI-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the morning, then decreasing to
20 knots in the afternoon. Mostly cloudy. Waves 2 to 4 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in
the afternoon.

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

$$

LSZ121-141015-
Chequamegon Bay-Bayfield to Oak Point WI-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy.
Waves 1 to 2 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the afternoon, then decreasing to
20 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots.
Partly sunny. Waves 1 foot or less.

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

$$

LSZ148-141015-
Oak Point to Saxon Harbor WI-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 2 feet
building to 1 to 3 feet toward daybreak.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Mostly
cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 knots after midnight. Mostly
cloudy in the evening then becoming partly cloudy. Waves 3 to
5 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...West wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Partly sunny. Waves 1 to 2 feet.

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

$$

LSZ150-141015-
Outer Apostle Islands Beyond 5 NM from Mainland-
945 PM CDT Wed Mar 13 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THURSDAY THROUGH
THURSDAY EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Mostly cloudy. Waves 1 to 2 feet
building to 1 to 3 feet toward daybreak.
.THURSDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Partly
sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 knots after midnight. Partly
cloudy in the evening then becoming mostly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...West wind 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the afternoon. Partly
sunny. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.

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

$$

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

Rothstein


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