387
FZUS53 KDLH 131442
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
942 AM CDT Tue May 13 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.

LSZ140-141-132215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
942 AM CDT Tue May 13 2025

.REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.WEDNESDAY...East wind 10 to 15 knots. Partly sunny. Waves 1 to
2 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots until early morning. Slight chance of rain showers.
Waves 1 to 2 feet.

$$

LSZ142-143-132215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
942 AM CDT Tue May 13 2025

.REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to
20 knots late. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Mostly clear.
Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Partly sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of thunderstorms in the evening.
Slight chance of rain showers through the night. Waves 1 to
2 feet.

$$

LSZ144-145-132215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
942 AM CDT Tue May 13 2025

.REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to
20 knots late. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Mostly clear.
Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Partly sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Slight chance of showers and
thunderstorms. Waves 1 to 3 feet.

$$

LSZ146-132215-
Port Wing to Sand Island WI-
942 AM CDT Tue May 13 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Slight chance of
sprinkles in the afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Slight chance
of showers and thunderstorms. Waves 1 to 2 feet.

$$

LSZ147-132215-
Sand Island to Bayfield WI-
942 AM CDT Tue May 13 2025

.REST OF TODAY...Southeast wind 5 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.WEDNESDAY...East wind 5 knots becoming northeast in the
afternoon. Slight chance of sprinkles in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of
showers and thunderstorms. Waves 1 to 2 feet.

$$

LSZ121-132215-
Chequamegon Bay-Bayfield to Oak Point WI-
942 AM CDT Tue May 13 2025

.REST OF TODAY...South wind 5 knots becoming east late. Sunny.
Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming southeast late
in the evening, then becoming south after midnight. Mostly clear.
Waves 1 foot or less.
.WEDNESDAY...East wind 5 knots becoming northeast in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of
showers and thunderstorms. Waves 1 foot or less.

$$

LSZ148-132215-
Oak Point to Saxon Harbor WI-
942 AM CDT Tue May 13 2025

.REST OF TODAY...South wind 5 to 10 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southeast wind 5 knots becoming east in the late
morning and afternoon. Slight chance of showers and thunderstorms
in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming east
early in the morning. Slight chance of showers and thunderstorms.
Waves 1 to 2 feet.

$$

LSZ150-132215-
Outer Apostle Islands Beyond 5 NM from Mainland-
942 AM CDT Tue May 13 2025

.REST OF TODAY...South wind 5 knots becoming east 10 to 15 knots
in the afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 10 to 15 knots becoming southeast 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
1 to 2 feet.
.WEDNESDAY...East wind 5 to 10 knots becoming northeast in the
afternoon. Slight chance of sprinkles in the afternoon. Waves
1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Slight chance of showers and
thunderstorms. Waves 1 to 2 feet.

$$

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

PA