Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 020222
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
922 PM CDT Fri Aug 1 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.

LSZ140-141-021015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...West wind 5 to 10 knots. Areas of smoke. Waves
1 to 2 feet.
.SATURDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Areas of smoke. Waves 1 to 3 feet building to 2 to
4 feet late in the afternoon.
.SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots.
Areas of smoke. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Areas of smoke in the morning. Waves 1 to 2 feet.

$$

LSZ142-143-021015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...West wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke
through the night. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ144-145-021015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 knots. Areas of smoke through
the night. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ146-021015-
Port Wing to Sand Island WI-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ147-021015-
Sand Island to Bayfield WI-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming southeast late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ150-021015-
Outer Apostle Islands Beyond 5 NM from Mainland-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke
through the night. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ121-021015-
Chequamegon Bay-Bayfield to Oak Point WI-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 knots. Areas of smoke in the
evening. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ148-021015-
Oak Point to Saxon Harbor WI-
922 PM CDT Fri Aug 1 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Areas of smoke.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming east late in
the afternoon. Areas of smoke. Waves 1 foot or less.
.SATURDAY NIGHT...South wind 5 knots becoming southwest in the
late evening and overnight. Areas of smoke through the night.
Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming east late in the
afternoon. Areas of smoke in the morning. Waves 1 foot or less.

$$

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

Britt