Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
888
FZUS53 KDLH 030726
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
226 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.

LSZ140-141-031615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
226 AM CDT Thu Jul 3 2025

.TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.FRIDAY...East wind 5 knots becoming southeast in the afternoon.
Chance of showers and thunderstorms. 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.

$$

LSZ143-031615-
Silver Bay Harbor to Two Harbors MN-
226 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

.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 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,
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 showers in the evening.
Chance of thunderstorms through the night. Showers likely after
midnight. Waves 1 foot or less.

$$

LSZ142-031615-
Taconite Harbor to Silver Bay Harbor MN-
226 AM CDT Thu Jul 3 2025

.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. Waves 1 foot or
less.
.FRIDAY NIGHT...South wind 5 knots becoming southwest after
midnight. Chance of showers and thunderstorms. Waves 1 foot or
less.

$$

LSZ144-145-031615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
226 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

.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 through the day. Waves 1 to
2 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of showers and thunderstorms. Waves 1 to
2 feet.

$$

LSZ146-031615-
Port Wing to Sand Island WI-
226 AM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 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,
then slight chance of showers and thunderstorms in the afternoon.
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.

$$

LSZ147-031615-
Sand Island to Bayfield WI-
226 AM CDT Thu Jul 3 2025

.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 thunderstorms in the morning. Chance of rain
showers through the day. Slight chance of thunderstorms in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 1 foot or less.

$$

LSZ150-031615-
Outer Apostle Islands Beyond 5 NM from Mainland-
226 AM CDT Thu Jul 3 2025

.TODAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. 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, then slight chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots. Chance of showers and
thunderstorms. Waves 1 to 2 feet.

$$

LSZ121-031615-
Chequamegon Bay-Bayfield to Oak Point WI-
226 AM CDT Thu Jul 3 2025

.TODAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Sunny. Waves 1 to 2 feet.
.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. Gusts up to 20 knots late 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...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 1 foot or less.

$$

LSZ148-031615-
Oak Point to Saxon Harbor WI-
226 AM CDT Thu Jul 3 2025

.TODAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Sunny. Waves 1 to 2 feet.
.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, then slight chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers and thunderstorms in the evening, then chance of showers
and thunderstorms after midnight. Waves 1 foot or less.

$$

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

Rothstein