571
FZUS53 KDLH 291437
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
937 AM CDT Tue Jul 29 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.

LSZ140-141-292215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...Northwest wind 5 knots becoming southwest in the
afternoon. Areas of smoke through the day. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming north in the late evening
and overnight. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY...North wind 5 to 10 knots becoming northeast late in
the morning, then becoming southeast in the afternoon. Areas of
smoke. Waves 1 foot or less.
.WEDNESDAY NIGHT...North wind 5 knots. Partly cloudy. Waves
1 foot or less.

$$

LSZ142-143-292215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...Northeast wind 5 knots becoming southeast early
in the afternoon, then becoming south late. Areas of smoke in the
afternoon. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northeast early in the
morning. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY...Northeast wind 5 knots becoming east in the
afternoon. Areas of smoke in the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ144-145-292215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...Northeast wind 5 knots. Areas of smoke late.
Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke in the
morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ146-292215-
Port Wing to Sand Island WI-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...Northeast wind 5 knots becoming east in the
afternoon. Areas of smoke in the afternoon. Waves 1 foot or less.
.TONIGHT...North wind 5 to 10 knots. Areas of smoke. Waves 1 foot
or less.
.WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ147-292215-
Sand Island to Bayfield WI-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...North wind 5 knots becoming southeast late.
Areas of smoke in the afternoon. Waves 1 foot or less.
.TONIGHT...South wind 5 knots becoming northwest late in the
evening, then becoming north after midnight. Areas of smoke.
Waves 1 foot or less.
.WEDNESDAY...Northeast wind 5 knots becoming east late in the
afternoon. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ150-292215-
Outer Apostle Islands Beyond 5 NM from Mainland-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...North wind 5 knots becoming northeast early in
the afternoon, then becoming south late. Areas of smoke through
the day. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 knots becoming northeast early in the
morning. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY...Northeast wind 5 to 10 knots becoming east late in
the afternoon. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ121-292215-
Chequamegon Bay-Bayfield to Oak Point WI-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...Northeast wind 5 knots. Areas of smoke through
the day. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 knots becoming north in the late
evening and early morning, then becoming northeast early in the
morning. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke through
the day. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.

$$

LSZ148-292215-
Oak Point to Saxon Harbor WI-
937 AM CDT Tue Jul 29 2025

.REST OF TODAY...North wind 5 knots becoming northeast late.
Areas of smoke through the day. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 knots becoming north in the late
evening and early morning, then becoming northeast early in the
morning. Areas of smoke. Waves 1 foot or less.
.WEDNESDAY...Northeast wind 5 to 10 knots. Areas of smoke through
the day. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 knots becoming east early in
the morning. Mostly clear. Waves 1 foot or less.

$$

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

Rothstein