155
FZUS53 KDLH 121452
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
952 AM CDT Wed Mar 12 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.

LSZ140-141-122215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 to 10 knots. Slight chance of snow
late in the morning. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming west in the late evening
and overnight. Partly cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 knots becoming east in the afternoon.
Partly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots. Slight chance of rain after midnight. Waves 1 to
3 feet.

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

$$

LSZ142-143-122215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Chance of flurries
late in the morning. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots becoming northwest after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 knots becoming east 10 to 15 knots in the
late morning and afternoon. Partly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Mostly cloudy. Waves 1 to 3 feet.

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

$$

LSZ144-145-122215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Partly sunny.
Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots becoming west after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.THURSDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Mostly cloudy. Waves 1 to 2 feet.

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

$$

LSZ146-122215-
Port Wing to Sand Island WI-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 to 10 knots becoming northeast in
the afternoon. Partly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southwest after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.THURSDAY...South wind 5 knots becoming east 10 to 15 knots in
the late morning and afternoon. Partly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 10 to 15 knots becoming southeast
5 to 10 knots early in the morning. Mostly cloudy. Waves 1 to
2 feet.

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

$$

LSZ147-122215-
Sand Island to Bayfield WI-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 to 10 knots becoming northeast late.
Chance of flurries late in the morning. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming west after midnight. Partly
cloudy in the evening then becoming mostly cloudy. Waves 1 foot
or less.
.THURSDAY...South wind 5 knots becoming east in the afternoon.
Partly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots becoming southeast
after midnight. Mostly cloudy. Waves 1 to 2 feet.

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

$$

LSZ150-122215-
Outer Apostle Islands Beyond 5 NM from Mainland-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 to 10 knots becoming northeast late.
Chance of sprinkles and flurries late in the morning. Waves
1 foot or less.
.TONIGHT...East wind 5 knots becoming west after midnight. Partly
cloudy. Waves 1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming east in the
afternoon. Partly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming southeast 10 to 15 knots after midnight. Mostly
cloudy. Waves 1 to 2 feet.

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

$$

LSZ121-122215-
Chequamegon Bay-Bayfield to Oak Point WI-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 to 10 knots. Partly sunny. Waves
1 foot or less.
.TONIGHT...Northeast wind 5 knots becoming northwest late in the
evening, then becoming southwest after midnight. Partly cloudy.
Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming southeast
5 knots late in the morning, then becoming east in the afternoon.
Partly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots becoming south in the
late evening and overnight. Mostly cloudy. Waves 1 foot or less.

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

$$

LSZ148-122215-
Oak Point to Saxon Harbor WI-
952 AM CDT Wed Mar 12 2025

.REST OF TODAY...East wind 5 knots becoming northeast late.
Chance of flurries late in the morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 knots becoming southwest in the late
evening and overnight. Partly cloudy. Waves 1 foot or less.
.THURSDAY...South wind 5 knots becoming east in the afternoon.
Partly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots with gusts to
around 20 knots becoming south 10 to 15 knots with gusts to
around 20 knots after midnight. Mostly cloudy. Waves 1 to 2 feet.

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

$$

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

Unruh