902
FZUS53 KDLH 171351
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
851 AM CDT Tue Jun 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-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
late in the morning then 20 knots late. Slight chance of rain
showers late. Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 to 10 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.WEDNESDAY...West wind 5 knots becoming southwest in the late
morning and afternoon. Partly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots becoming
northwest after midnight. Slight chance of rain showers in the
evening, then chance of rain showers and slight chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ142-143-172215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots easing to 5 knots after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.WEDNESDAY...West wind 5 knots becoming southwest in the
afternoon. Patchy fog in the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...West wind 5 knots. Slight chance of rain
showers in the evening, then chance of rain showers and slight
chance of thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ144-172215-
Two Harbors to Duluth MN-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Patchy fog after midnight.
Waves 1 foot or less.
.WEDNESDAY...West wind 5 knots. Patchy fog in the morning. Waves
1 foot or less.
.WEDNESDAY NIGHT...West wind 5 knots. Chance of rain showers
after midnight. Waves 1 foot or less.

$$

LSZ145-172215-
Duluth MN to Port Wing WI-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 5 to 10 knots. Patchy fog in the
morning and early afternoon. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Patchy fog after midnight.
Waves 1 foot or less.
.WEDNESDAY...West wind 5 knots. Patchy fog in the morning. Waves
1 foot or less.
.WEDNESDAY NIGHT...West wind 5 knots. Slight chance of rain
showers after midnight. Waves 1 foot or less.

$$

LSZ146-172215-
Port Wing to Sand Island WI-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Patchy fog in the
morning and early afternoon. Waves 1 to 3 feet.
.TONIGHT...West wind 5 to 10 knots. Patchy fog after midnight.
Waves 1 foot or less.
.WEDNESDAY...West wind 5 knots becoming southwest. Patchy fog in
the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 knots becoming west early in
the morning. Chance of rain showers and slight chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ147-172215-
Sand Island to Bayfield WI-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 5 to 10 knots. Patchy fog in the
morning and early afternoon. Waves 1 to 3 feet.
.TONIGHT...West wind 5 knots. Patchy fog after midnight. Waves
1 foot or less.
.WEDNESDAY...West wind 5 knots becoming northeast early in the
afternoon, then becoming southeast late in the afternoon. Patchy
fog in the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...South wind 5 knots becoming west early in the
morning. Chance of rain showers and slight chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ150-172215-
Outer Apostle Islands Beyond 5 NM from Mainland-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 5 to 10 knots becoming southwest late.
Patchy fog in the morning and early afternoon. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...Southwest wind 5 to 10 knots becoming west after
midnight. Patchy fog after midnight. Waves 1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming northwest early in the
afternoon, then becoming southeast late in the afternoon. Patchy
fog in the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...South wind 5 knots becoming west after
midnight. Chance of rain showers and slight chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ121-172215-
Chequamegon Bay-Bayfield to Oak Point WI-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 knots. Patchy fog after midnight.
Waves 1 foot or less.
.WEDNESDAY...West wind 5 knots becoming northeast in the late
morning and afternoon. Patchy fog in the morning. Waves 1 foot or
less.
.WEDNESDAY NIGHT...West wind 5 knots. Slight chance of showers
and thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ148-172215-
Oak Point to Saxon Harbor WI-
851 AM CDT Tue Jun 17 2025

.REST OF TODAY...West wind 5 to 10 knots becoming south late.
Patchy fog in the morning and early afternoon. Waves 1 to 2 feet.

.TONIGHT...Southwest wind 5 knots. Patchy fog after midnight.
Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 knots becoming north late in the
morning, then becoming northeast in the afternoon. Patchy fog in
the morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming west early in
the morning. Slight chance of showers and thunderstorms after
midnight. Waves 1 foot or less.

$$

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

PA