Nearshore Marine Forecast
Issued by NWS Duluth, MN

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941
FZUS53 KDLH 020817
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
317 AM CDT Wed Jul 2 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.

LSZ140-141-021615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
317 AM CDT Wed Jul 2 2025

.TODAY...West wind 5 to 10 knots. Slight chance of showers and
thunderstorms in the late morning and early afternoon. Waves 1 to
2 feet.
.TONIGHT...West wind 5 to 10 knots becoming north in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 knots. Slight chance of rain
showers after midnight. Waves 1 foot or less.

$$

LSZ142-143-021615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
317 AM CDT Wed Jul 2 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of
thunderstorms in the morning. Chance of rain showers through the
day. Chance of thunderstorms in the afternoon. Waves 1 foot or
less.
.TONIGHT...West wind 5 to 10 knots becoming northeast early in
the morning. Partly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
in the afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Slight chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.

$$

LSZ144-145-021615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
317 AM CDT Wed Jul 2 2025

.TODAY...West wind 5 to 10 knots. Slight chance of thunderstorms
in the morning. Chance of rain showers through the day. Chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northeast early in the
morning. Slight chance of showers and thunderstorms in the
evening. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Slight chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.

$$

LSZ146-021615-
Port Wing to Sand Island WI-
317 AM CDT Wed Jul 2 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of
thunderstorms in the morning. Chance of rain showers through the
day. Chance of thunderstorms in the afternoon. Waves 1 foot or
less.
.TONIGHT...West wind 5 to 10 knots becoming northeast early in
the morning. Partly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. Slight
chance of showers and thunderstorms after midnight. Waves 1 to
2 feet.

$$

LSZ147-021615-
Sand Island to Bayfield WI-
317 AM CDT Wed Jul 2 2025

.TODAY...West wind 5 to 10 knots. Slight chance of thunderstorms
late in the morning. Chance of rain showers in the late morning
and afternoon. Chance of thunderstorms in the afternoon. Waves
1 foot or less.
.TONIGHT...West wind 5 to 10 knots becoming northeast early in
the morning. Partly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of
showers and thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ150-021615-
Outer Apostle Islands Beyond 5 NM from Mainland-
317 AM CDT Wed Jul 2 2025

.TODAY...West wind 5 to 10 knots. Slight chance of thunderstorms
in the morning. Chance of rain showers through the day. Chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots becoming northeast after
midnight. Partly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming east
early in the morning. Slight chance of showers and thunderstorms
after midnight. Waves 1 foot or less.

$$

LSZ121-021615-
Chequamegon Bay-Bayfield to Oak Point WI-
317 AM CDT Wed Jul 2 2025

.TODAY...West wind 5 to 10 knots. Slight chance of thunderstorms
late in the morning. Chance of showers in the late morning and
afternoon. Chance of thunderstorms in the afternoon. Waves 1 foot
or less.
.TONIGHT...West wind 5 knots becoming north early in the morning.
Slight chance of showers and thunderstorms in the evening. Waves
1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming southeast
early in the morning. Slight chance of showers and thunderstorms
after midnight. Waves 1 foot or less.

$$

LSZ148-021615-
Oak Point to Saxon Harbor WI-
317 AM CDT Wed Jul 2 2025

.TODAY...Southwest wind 5 to 10 knots becoming west in the
afternoon. Slight chance of thunderstorms late in the morning.
Chance of rain showers in the late morning and afternoon. Chance
of thunderstorms in the afternoon. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming north early in the morning.
Partly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming southeast
after midnight. Slight chance of showers and thunderstorms after
midnight. Waves 1 foot or less.

$$

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

Rothstein