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FZUS53 KDLH 030855
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
355 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.

LSZ140-141-031615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 to 10 knots. Areas of smoke early in
the morning. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming northwest early
in the morning. Areas of smoke. Waves 1 to 2 feet.
.MONDAY...East wind 5 knots. 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.

$$

LSZ142-143-031615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 knots becoming southeast late in the
afternoon. Areas of smoke early in the morning. Waves 1 foot or
less.
.TONIGHT...East wind 5 knots becoming northeast in the late
evening and overnight. Areas of smoke through the night. Chance
of sprinkles after midnight. Waves 1 foot or less.
.MONDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. 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.

$$

LSZ144-145-031615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots. Areas of smoke. Chance of
sprinkles. Waves 1 foot or less.
.MONDAY...East wind 5 to 10 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 foot or less.

$$

LSZ146-031615-
Port Wing to Sand Island WI-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 to 10 knots becoming north early in the
afternoon, then becoming east late in the afternoon. Areas of
smoke late in the afternoon. 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 late
morning and 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.

$$

LSZ147-031615-
Sand Island to Bayfield WI-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 to 10 knots becoming east in the
afternoon. Areas of smoke in the afternoon. 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.

$$

LSZ150-031615-
Outer Apostle Islands Beyond 5 NM from Mainland-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Areas of smoke late in the afternoon. Waves 1 foot or
less.
.TONIGHT...Southeast wind 5 knots becoming south after midnight.
Areas of smoke through the night. Waves 1 foot or less.
.MONDAY...South 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.

$$

LSZ121-031615-
Chequamegon Bay-Bayfield to Oak Point WI-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 knots becoming east late in the
afternoon. Areas of smoke in the afternoon. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest after midnight.
Areas of smoke through the night. Waves 1 foot or less.
.MONDAY...South 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 becoming southeast early
in the morning. Areas of smoke in the evening. Waves 1 foot or
less.

$$

LSZ148-031615-
Oak Point to Saxon Harbor WI-
355 AM CDT Sun Aug 3 2025

.TODAY...Southwest wind 5 to 10 knots becoming east in the
afternoon. Areas of smoke late in the afternoon. Waves 1 foot or
less.
.TONIGHT...East wind 5 knots becoming south after midnight. Areas
of smoke through the night. Waves 1 foot or less.
.MONDAY...South wind 5 knots becoming east in the 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

HA