National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS53 KDLH 091503
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1003 AM CDT Tue Apr 9 2024

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.

LSZ140-141-092215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 5 to 10 knots. Chance of
sprinkles. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Chance of sprinkles in the
evening. Waves 1 to 2 feet.
.WEDNESDAY...West wind 5 knots becoming south in the late morning
and afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...East wind 5 knots becoming northeast in the
late evening and overnight. Chance of rain in the evening, then
slight chance of rain after midnight. Waves 1 to 2 feet.

$$

LSZ142-143-092215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 5 to 10 knots. Chance of
sprinkles. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Chance of sprinkles in the
evening. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming east late in
the afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
early in the morning. Chance of rain. Waves 1 foot or less.

$$

LSZ144-145-092215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 5 to 10 knots. Chance of
sprinkles through the day. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles in
the evening. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
after midnight. Chance of rain. Waves 1 foot or less.

$$

LSZ146-092215-
Port Wing to Sand Island WI-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 10 to 15 knots easing to 10 knots
late. Gusts up to 20 knots. Chance of sprinkles through the day.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles in
the evening. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming east late in
the afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
after midnight. Chance of rain. Waves 1 foot or less.

$$

LSZ147-092215-
Sand Island to Bayfield WI-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 10 to 15 knots becoming west
late. Gusts up to 20 knots. Chance of sprinkles through the day.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles in
the evening. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming southeast in
the afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming north after
midnight. Chance of rain. Waves 1 foot or less.

$$

LSZ121-092215-
Chequamegon Bay-Bayfield to Oak Point WI-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 5 to 10 knots. Chance of
sprinkles through the day. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 knots. Chance of sprinkles in the
evening. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 knots becoming east late in the
afternoon. Slight chance of rain in the afternoon. Waves 1 foot
or less.
.WEDNESDAY NIGHT...East wind 5 knots becoming southeast late in
the evening, then becoming west after midnight becoming northwest
early in the morning. Chance of rain. Waves 1 foot or less.

$$

LSZ148-092215-
Oak Point to Saxon Harbor WI-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 5 to 10 knots. Chance of
sprinkles through the day. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles in
the evening. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming east late in
the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 knots becoming west early in the
morning. Chance of rain. Waves 1 foot or less.

$$

LSZ150-092215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1003 AM CDT Tue Apr 9 2024

.REST OF TODAY...Southwest wind 10 to 15 knots easing to 10 knots
late. Gusts up to 20 knots. Chance of sprinkles through the day.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of sprinkles in
the evening. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming southeast in
the afternoon. Mostly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming north after
midnight. Chance of rain. Waves 1 foot or less.

$$

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

BJH