840
FZUS53 KDLH 162056
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
356 PM CDT Mon Jun 16 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.

LSZ140-141-170415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
356 PM CDT Mon Jun 16 2025

.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots with gusts to around
20 knots late in the night. Chance of showers and thunderstorms
early in the evening, then rain showers with thunderstorms likely
in the late evening and early morning. Chance of showers and
thunderstorms late in the night. Waves 1 to 3 feet.
.TUESDAY...West wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots becoming northwest after
midnight. Partly cloudy. Waves 1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming south in the afternoon.
Slight chance of rain showers in the afternoon. Waves 1 foot or
less.

$$

LSZ142-143-170415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
356 PM CDT Mon Jun 16 2025

.TONIGHT...Northeast wind 10 to 15 knots becoming west with gusts
to around 20 knots after midnight. Rain showers with
thunderstorms likely in the evening, then chance of showers and
thunderstorms after midnight. Waves 1 to 3 feet.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 to 10 knots with gusts to around 20 knots in the late
morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...West wind 5 knots becoming south in the afternoon.
Slight chance of rain showers in the afternoon. Waves 1 foot or
less.

$$

LSZ144-145-170415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
356 PM CDT Mon Jun 16 2025

.TONIGHT...Northeast wind 15 to 20 knots becoming west 10 to
15 knots with gusts to around 20 knots after midnight. Rain
showers with thunderstorms likely in the evening, then chance of
showers and thunderstorms after midnight. Waves 1 to 3 feet.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 to 10 knots in the late morning and afternoon. Mostly
sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...Northwest wind 5 knots becoming northeast in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ146-170415-
Port Wing to Sand Island WI-
356 PM CDT Mon Jun 16 2025

.TONIGHT...East wind 10 to 15 knots becoming southeast late in
the evening, then becoming southwest with gusts to around
20 knots after midnight becoming west 15 to 20 knots late in the
night. Showers and thunderstorms likely in the evening, then
chance of showers and thunderstorms after midnight. Waves 1 to
2 feet building to 1 to 3 feet late in the night.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots in the afternoon. Mostly sunny.
Waves 1 to 3 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming northwest late in the
morning, then becoming northeast in the afternoon. Slight chance
of rain showers in the afternoon. Waves 1 foot or less.

$$

LSZ147-170415-
Sand Island to Bayfield WI-
356 PM CDT Mon Jun 16 2025

.TONIGHT...East wind 5 to 10 knots becoming southeast 10 to
15 knots late in the evening, then becoming southwest 15 to
20 knots after midnight. Showers and thunderstorms likely in the
evening, then chance of showers and thunderstorms after midnight.
Slight chance of rain showers late in the night. Waves 1 to
2 feet building to 1 to 3 feet late in the night.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
easing to 10 knots late in the afternoon. Mostly sunny. Waves
1 to 3 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming northwest late in the
morning, then becoming east in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 foot or less.

$$

LSZ150-170415-
Outer Apostle Islands Beyond 5 NM from Mainland-
356 PM CDT Mon Jun 16 2025

.TONIGHT...East wind 10 to 15 knots becoming southeast with gusts
to around 20 knots late in the evening, then becoming southwest
15 to 20 knots after midnight. Showers and thunderstorms likely
in the evening, then chance of thunderstorms after midnight.
Chance of rain showers after midnight. Waves 1 to 3 feet building
to 2 to 4 feet late in the night.
.TUESDAY...West wind 15 to 20 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming northwest late in the
morning, then becoming east in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 foot or less.

$$

LSZ121-170415-
Chequamegon Bay-Bayfield to Oak Point WI-
356 PM CDT Mon Jun 16 2025

.TONIGHT...East wind 5 to 10 knots becoming south late in the
evening, then becoming southwest with gusts to around 20 knots
after midnight rising to 10 to 15 knots with gusts to around
20 knots late in the night. Showers and thunderstorms likely in
the evening, then chance of showers and thunderstorms after
midnight. Waves 1 foot or less.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 to 10 knots in the late morning and afternoon. Mostly
sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...West wind 5 knots becoming northeast in the late
morning and afternoon. Slight chance of rain showers in the
afternoon. Waves 1 foot or less.

$$

LSZ148-170415-
Oak Point to Saxon Harbor WI-
356 PM CDT Mon Jun 16 2025

.TONIGHT...East wind 10 to 15 knots becoming southwest with gusts
to around 20 knots after midnight. Showers and thunderstorms
likely in the evening, then chance of showers and thunderstorms
after midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early
in the morning. Mostly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 knots becoming north in the late
morning and early afternoon, then becoming northeast late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

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

KML