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FZUS53 KDLH 171452
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
952 AM CDT Thu Jul 17 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.

LSZ140-141-172215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...West wind 5 knots becoming southwest in the
afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Chance of rain showers
through the day. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming north early
in the morning. Chance of rain showers through the night. Waves
1 foot or less.

$$

LSZ142-143-172215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots becoming south late in the
afternoon. Chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Southeast wind 5 knots becoming northeast early
in the morning. Rain showers likely in the evening. Slight chance
of thunderstorms through the night. Waves 1 foot or less.

$$

LSZ144-172215-
Two Harbors to Duluth MN-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 knots becoming south in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...South wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east late in the
afternoon. Rain showers likely through the day. Slight chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots. Rain showers likely in
the evening. Slight chance of thunderstorms through the night.
Chance of rain showers after midnight. Waves 1 foot or less.

$$

LSZ145-172215-
Duluth MN to Port Wing WI-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 knots becoming south in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...South wind 5 knots becoming southwest early in the
morning. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east late in the
afternoon. Chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots. Rain showers likely and
chance of thunderstorms in the evening, then slight chance of
showers and thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ146-172215-
Port Wing to Sand Island WI-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots. Rain showers likely in the
evening. Slight chance of thunderstorms through the night. Slight
chance of rain showers after midnight. Waves 1 foot or less.

$$

LSZ147-172215-
Sand Island to Bayfield WI-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...West wind 5 to 10 knots becoming south late.
Sunny. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 to 10 knots becoming southeast late in
the afternoon. Chance of rain showers through the day. Waves
1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming northeast after
midnight. Chance of rain showers in the evening. Slight chance of
thunderstorms through the night. Slight chance of rain showers
after midnight. Waves 1 foot or less.

$$

LSZ150-172215-
Outer Apostle Islands Beyond 5 NM from Mainland-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots becoming southeast late in
the afternoon. Chance of rain showers through the day. Waves
1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming northeast early in the
morning. Chance of showers in the evening. Slight chance of
thunderstorms through the night. Slight chance of showers after
midnight. Waves 1 foot or less.

$$

LSZ121-172215-
Chequamegon Bay-Bayfield to Oak Point WI-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Northeast wind 5 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east late in the
afternoon. Chance of rain showers through the day. Waves 1 foot
or less.
.FRIDAY NIGHT...Northeast wind 5 knots. Slight chance of
thunderstorms in the evening. Rain showers likely through the
night. Chance of thunderstorms after midnight. Waves 1 foot or
less.

$$

LSZ148-172215-
Oak Point to Saxon Harbor WI-
952 AM CDT Thu Jul 17 2025

.REST OF TODAY...Southwest wind 5 knots becoming east early in
the afternoon, then becoming southeast late. Sunny. Waves 1 foot
or less.
.TONIGHT...South wind 5 knots becoming southwest after midnight.
Clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east late in the
afternoon. Chance of rain showers through the day. Waves 1 foot
or less.
.FRIDAY NIGHT...East wind 5 knots. Slight chance of thunderstorms
in the evening. Rain showers likely through the night. Chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

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

Wolfe