Nearshore Marine Forecast
Issued by NWS Duluth, MN

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704
FZUS53 KDLH 031509
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1009 AM CDT Thu Jul 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.

LSZ140-141-032215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...East wind 5 knots becoming southeast in the afternoon.
Chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon. Waves
1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming southwest in
the late evening and overnight. Chance of rain showers in the
evening. Chance of thunderstorms through the night. Rain showers
likely after midnight. Waves 1 to 2 feet.

$$

LSZ143-032215-
Silver Bay Harbor to Two Harbors MN-
1009 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

.REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to
25 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of showers and thunderstorms after midnight.
Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 knots becoming southeast late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming southwest in
the late evening and overnight. Chance of showers in the evening.
Chance of thunderstorms through the night. Showers likely after
midnight. Waves 1 foot or less.

$$

LSZ142-032215-
Taconite Harbor to Silver Bay Harbor MN-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Chance of showers and
thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming southeast late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 knots becoming southwest after
midnight. Chance of showers and thunderstorms through the night.
Waves 1 foot or less.

$$

LSZ144-145-032215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1009 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

.REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to
25 knots. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots.
Slight chance of showers and thunderstorms after midnight. Waves
1 to 3 feet.
.FRIDAY...East wind 5 to 10 knots becoming south 10 to 15 knots
with gusts to around 20 knots late in the afternoon. Slight
chance of showers and thunderstorms in the morning. Waves 1 to
2 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of showers and thunderstorms through the
night. Waves 1 to 2 feet.

$$

LSZ146-032215-
Port Wing to Sand Island WI-
1009 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

.REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of showers and thunderstorms after midnight.
Waves 1 to 3 feet.
.FRIDAY...Northeast wind 5 knots becoming southeast late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
in the evening. Chance of thunderstorms through the night.
Showers likely after midnight. Waves 1 foot or less.

$$

LSZ147-032215-
Sand Island to Bayfield WI-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming east early in
the morning. Chance of showers and thunderstorms after midnight.
Waves 1 foot or less.
.FRIDAY...Southeast wind 5 knots becoming southwest late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms through the night. Waves 1 foot or less.

$$

LSZ150-032215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Gusts up to
20 knots late. Sunny. Waves 1 to 2 feet.
.TONIGHT...East wind 5 to 10 knots with gusts to around 20 knots
becoming southeast early in the morning. Chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots. Chance of showers and
thunderstorms through the night. Waves 1 to 2 feet.

$$

LSZ121-032215-
Chequamegon Bay-Bayfield to Oak Point WI-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Gusts up to
20 knots late. Sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots with gusts to around
20 knots becoming south early in the morning. Chance of showers
and thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Chance of showers and thunderstorms in the
morning. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms through the night. Waves 1 foot or less.

$$

LSZ148-032215-
Oak Point to Saxon Harbor WI-
1009 AM CDT Thu Jul 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Gusts up to
20 knots late. Sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots with gusts to around
20 knots becoming south early in the morning. Chance of showers
and thunderstorms after midnight. Waves 1 to 2 feet.
.FRIDAY...South wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
thunderstorms in the evening. Chance of showers through the
night. Chance of thunderstorms after midnight. Waves 1 foot or
less.

$$

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

Britt