308
FZUS53 KDLH 031454
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
954 AM CDT Sun Aug 3 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.

LSZ140-032215-
Grand Portage to Grand Marais MN-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...Southwest wind 10 to 15 knots. Gusts up to
20 knots late. Areas of smoke late in the morning. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming northwest early
in the morning. Areas of smoke through the night. Waves 1 to
2 feet.
.MONDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Areas of smoke through the day. Waves
1 foot or less.
.MONDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ141>143-032215-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...South wind 5 to 10 knots. Areas of smoke in the
afternoon. Waves 1 foot or less.
.TONIGHT...South wind 5 knots becoming northwest in the late
evening and early morning, then becoming north early in the
morning. Areas of smoke through the night. Chance of sprinkles
after midnight. Waves 1 foot or less.
.MONDAY...Northeast wind 10 to 15 knots. Chance of sprinkles in
the morning. Areas of smoke through the day. Waves 1 foot or
less.
.MONDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ144-145-032215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...Southwest wind 5 knots becoming east in the
afternoon. Areas of smoke. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Areas of smoke. Chance of
sprinkles. Waves 1 foot or less.
.MONDAY...Northeast wind 10 to 15 knots. Areas of smoke. Slight
chance of showers. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots. Areas of smoke in the
evening. Waves 1 to 2 feet.

$$

LSZ146-032215-
Port Wing to Sand Island WI-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...West wind 5 to 10 knots becoming northwest early
in the afternoon, then becoming northeast late. Areas of smoke
through the day. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming south in the late evening
and early morning, then becoming east early in the morning. Areas
of smoke. Waves 1 foot or less.
.MONDAY...East wind 5 knots becoming northeast in the afternoon.
Areas of smoke through the day. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ147-032215-
Sand Island to Bayfield WI-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...Southwest wind 5 to 10 knots becoming east in
the afternoon. Areas of smoke. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming south in the late
evening and overnight. Areas of smoke. Waves 1 foot or less.
.MONDAY...Southeast wind 5 knots becoming east in the afternoon.
Areas of smoke through the day. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ150-032215-
Outer Apostle Islands Beyond 5 NM from Mainland-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...Southwest wind 5 to 10 knots becoming south
early in the afternoon, then becoming east late. Areas of smoke.
Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming south after midnight.
Areas of smoke. Waves 1 foot or less.
.MONDAY...Southeast wind 5 knots becoming east in the afternoon.
Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ121-032215-
Chequamegon Bay-Bayfield to Oak Point WI-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...South wind 5 to 10 knots becoming east late.
Areas of smoke. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest after midnight.
Areas of smoke. Waves 1 foot or less.
.MONDAY...South wind 5 knots becoming east in the late morning
and afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 knots becoming southeast early in the
morning. Areas of smoke in the evening. Waves 1 foot or less.

$$

LSZ148-032215-
Oak Point to Saxon Harbor WI-
954 AM CDT Sun Aug 3 2025

.REST OF TODAY...Southwest wind 5 to 10 knots becoming east in
the afternoon. Areas of smoke. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest after midnight.
Areas of smoke. Waves 1 foot or less.
.MONDAY...South wind 5 knots becoming northeast in the late
morning and afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Areas of smoke in the evening. Waves 1 foot or less.

$$

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

Huyck