Nearshore Forecast

285
FZUS53 KDLH 100851
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
351 AM CDT Tue Jun 10 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.

LSZ140-141-101615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
351 AM CDT Tue Jun 10 2025

.TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning then 20 knots in the afternoon. Partly
sunny. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots after
midnight. Chance of rain showers and slight chance of
thunderstorms through the night. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.
.WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots with gusts to around
20 knots in the late morning and afternoon. Sunny. Waves 1 to
2 feet.
.WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming
northeast in the late evening and overnight. Partly cloudy. Waves
1 to 2 feet.

$$

LSZ142-143-101615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
351 AM CDT Tue Jun 10 2025

.TODAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Partly sunny. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming northwest in the
late evening and overnight. Slight chance of showers and
thunderstorms in the evening. Waves 1 to 2 feet.
.WEDNESDAY...West wind 5 to 10 knots. Gusts up to 20 knots early
in the morning. Mostly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northwest wind 5 knots becoming northeast
after midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ144-101615-
Two Harbors to Duluth MN-
351 AM CDT Tue Jun 10 2025

.TODAY...Southwest wind 5 to 10 knots. Areas of smoke late in the
afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots becoming northwest with
gusts to around 20 knots in the late evening and overnight.
Partly cloudy. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming
northeast early in the morning. Partly cloudy. Waves 1 foot or
less.

$$

LSZ145-101615-
Duluth MN to Port Wing WI-
351 AM CDT Tue Jun 10 2025

.TODAY...West wind 5 to 10 knots. Areas of smoke in the
afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots becoming northwest with
gusts to around 20 knots after midnight. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming
northeast early in the morning. Partly cloudy. Waves 1 foot or
less.

$$

LSZ146-101615-
Port Wing to Sand Island WI-
351 AM CDT Tue Jun 10 2025

.TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and early afternoon. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming west after
midnight. Slight chance of showers and thunderstorms in the
evening. Waves 1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...West wind 5 knots becoming northeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ147-101615-
Sand Island to Bayfield WI-
351 AM CDT Tue Jun 10 2025

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
late morning and early afternoon. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming west 10 to
15 knots early in the morning. Slight chance of showers and
thunderstorms in the evening. Waves 1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...West wind 5 knots becoming northeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ150-101615-
Outer Apostle Islands Beyond 5 NM from Mainland-
351 AM CDT Tue Jun 10 2025

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest late in the afternoon. Mostly sunny. Waves
1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots becoming west after
midnight. Slight chance of showers and thunderstorms in the
evening. Waves 1 to 2 feet.
.WEDNESDAY...West wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming northeast
after midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ121-101615-
Chequamegon Bay-Bayfield to Oak Point WI-
351 AM CDT Tue Jun 10 2025

.TODAY...West wind 5 to 10 knots. Areas of smoke late in the
afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots becoming west after
midnight. Slight chance of rain showers in the evening. Waves
1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...Northwest wind 5 knots becoming northeast
after midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ148-101615-
Oak Point to Saxon Harbor WI-
351 AM CDT Tue Jun 10 2025

.TODAY...West wind 5 to 10 knots. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the morning. Slight chance of
showers and thunderstorms in the evening. Waves 1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...Northwest wind 5 knots becoming northeast
after midnight. Partly cloudy. Waves 1 foot or less.

$$

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

KML

Open Waters Forecast

106
FZUS63 KMQT 100802
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
402 AM EDT Tue Jun 10 2025

For waters beyond 5 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.

.SYNOPSIS...

A 29.6 inch troughing over Lake Superior this morning weakens to
20.7 inches by noon today. Weak, broad troughing averaging 29.7 to
29.8 inches remains over the lake the rest of today into Wednesday
before 30.2 inch ridging builds in from the north Wednesday night
into Thursday. 30.2 inch ridging holds over Lake Superior Friday as
a 30.3 inch high descends from northern Ontario into Quebec; the
ridge weakens to 30.1 inches late Saturday as the parent high shifts
into the Canadian Maritimes.


LSZ162-102000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
402 AM EDT Tue Jun 10 2025 /302 AM CDT Tue Jun 10 2025/

.EARLY THIS MORNING...West winds 10 to 20 knots. Waves 1 to
3 feet.
.TODAY...West winds 10 to 20 knots backing southwest in the
afternoon. Haze by mid afternoon. A slight chance of showers by
mid afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 20 knots backing north after
midnight, then backing northwest late. Haze. A slight chance of
thunderstorms through midnight. A slight chance of showers. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots late. Haze. Waves calm to 2 feet.
.WEDNESDAY NIGHT...North winds 5 to 15 knots veering northeast
after midnight. Haze through midnight. Waves calm to 2 feet.
.THURSDAY...East winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. Waves building to 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 20 knots. A chance of
showers. Waves 1 to 3 feet.
.FRIDAY...Northeast winds 15 to 25 knots diminishing to 10 to
20 knots. A chance of showers. Waves building to 2 to 4 feet,
then subsiding to calm to 2 feet.
.SATURDAY...Northeast winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ263-102000-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
402 AM EDT Tue Jun 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...West winds 10 to 20 knots. Patchy dense
fog. Waves 1 to 3 feet building to 2 to 4 feet.
.TODAY...West winds 10 to 20 knots backing southwest late. Waves
2 to 4 feet.
.TONIGHT...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then veering northwest late. Haze. A
chance of showers and a slight chance of thunderstorms. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots. Haze by mid afternoon.
Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 15 knots veering east
after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...Northeast winds 5 to 15 knots veering east by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots. Waves calm to 2 feet.
.FRIDAY...East winds 10 to 20 knots. A chance of showers. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.SATURDAY...Northeast winds 5 to 15 knots veering south. Waves
calm to 2 feet.

$$

LSZ264-102000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
402 AM EDT Tue Jun 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.EARLY THIS MORNING...West winds 5 to 15 knots. Patchy dense fog.
Waves calm to 2 feet building to 1 to 3 feet.
.TODAY...West winds 10 to 20 knots backing southwest late. Patchy
dense fog through early afternoon. Waves building to 2 to 4 feet.
.TONIGHT...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then veering west late. A chance of
showers. A slight chance of thunderstorms after midnight. Haze
after midnight. Waves subsiding to calm to 2 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots backing west in the
afternoon. Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...North winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.
.THURSDAY...North winds 5 to 15 knots veering east by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots. Waves calm to 2 feet.
.FRIDAY...East winds 10 to 20 knots diminishing to 5 to 15 knots.
Waves calm to 2 feet.
.SATURDAY...East winds 5 to 15 knots veering south. Waves calm to
2 feet.

$$

LSZ265-102000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
402 AM EDT Tue Jun 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...West winds 5 to 15 knots. Patchy dense fog.
Waves calm to 2 feet.
.TODAY...West winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon, then diminishing to 10 to 20 knots late. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.TONIGHT...Southwest winds 5 to 15 knots becoming south 10 to
20 knots after midnight, then veering west late. A slight chance
of thunderstorms through midnight. A chance of showers. Haze
after midnight. Waves calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots. Haze through early
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...North winds 5 to 15 knots. Waves calm to
2 feet.
.THURSDAY...North winds 5 to 15 knots veering northeast by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots. Waves calm to 2 feet.
.FRIDAY...East winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.
.SATURDAY...East winds 10 to 20 knots becoming southwest 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ266-102000-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
402 AM EDT Tue Jun 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.EARLY THIS MORNING...West winds 5 to 15 knots. Areas of dense
fog. Waves calm to 2 feet.
.TODAY...West winds 10 to 20 knots. Patchy dense fog through
early afternoon. Waves building to 2 to 4 feet.
.TONIGHT...Southwest winds 10 to 20 knots backing south after
midnight. A chance of showers. A slight chance of thunderstorms
after midnight. Haze after midnight. Waves subsiding to calm to
2 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots backing west late.
Haze through early afternoon. Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots veering north
after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...North winds 5 to 15 knots. Waves calm to 2 feet.
.THURSDAY NIGHT...North winds 5 to 15 knots veering east after
midnight. Waves calm to 2 feet.
.FRIDAY...East winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...East winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ267-102000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
402 AM EDT Tue Jun 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.EARLY THIS MORNING...West winds 10 to 20 knots. Areas of dense
fog. Waves calm to 2 feet.
.TODAY...West winds 10 to 20 knots diminishing to 5 to 15 knots
late. Patchy fog through early afternoon. A slight chance of
showers by mid afternoon. Waves building to 1 to 3 feet.
.TONIGHT...Southwest winds 5 to 15 knots becoming south 10 to
20 knots after midnight. A chance of showers. Waves subsiding to
calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Haze through early afternoon. A chance
of showers through early afternoon. Waves building to 1 to
3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...North winds 10 to 20 knots veering east after
midnight. Waves calm to 2 feet.
.FRIDAY...East winds 10 to 20 knots. Waves calm to 2 feet.
.SATURDAY...East winds 10 to 20 knots backing northeast. Waves
calm to 2 feet.

$$

LSZ261-101400-
MAFOR 1009/
Superior West 13620 12520 12410 11710. A chance of showers
overnight. Waves 1 to 3 feet.

Superior North Central 11610 19614 12620 11530 11630 12520 11510.
A chance of showers overnight. Waves 1 to 3 feet building to 2 to
4 feet today. Waves 2 to 4 feet subsiding to 1 to 2 feet tonight.

Superior South Central 11620 19624 13620 11610 11510 11400 11410.
A chance of showers overnight. Waves 1 to 3 feet.

Superior East 11604 11600 13610 12510 11410. A chance of showers
overnight. Waves 1 to 3 feet.

$$

WFO MQT

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

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

Beach Hazards

919
FZUS53 KDLH 100908
SRFDLH

Surf Zone Forecast
National Weather Service Duluth MN
408 AM CDT Tue Jun 10 2025

MNZ037-WIZ001-110315-
Carlton/Southern St. Louis-Douglas-
Including the beaches of Minnesota/Park Point and Wisconsin Point
408 AM CDT Tue Jun 10 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
UV Index**..................7.
Water Temperature...........Around 50.
Weather.....................Partly sunny.
High Temperature............In the lower 70s.
Winds.......................West winds around 10 mph.
Sunrise.....................5:14 AM.
Sunset......................9:01 PM.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Mostly sunny.
High Temperature............In the lower 70s.
Winds.......................Northwest winds around 10 mph.
Sunrise.....................5:14 AM.
Sunset......................9:02 PM.

.THURSDAY...Wave height 1 to 2 feet. Mostly sunny. Cooler. Highs in
the mid 50s. Northeast winds around 10 mph.
.FRIDAY...Wave height 3 to 4 feet. Mostly cloudy. A chance of
showers. Highs in the upper 40s. Northeast winds around 15 mph.
.SATURDAY...Wave height 2 to 3 feet. Mostly sunny. A slight chance of
showers. Highs in the mid 50s. Northeast winds around 10 mph.

&&

Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.

** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/dlh


$$

Other Information

Great Lakes Water Levels and Forecasts - Provided by USACE

GLERL - NOAA Great Lakes Forecast System

NWS Marine Homepage

Cold Water Safety

Park Point Beach Information

Paddle Safe Twin Ports