Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 220018
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
718 PM CDT Sat Sep 21 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.

LSZ140-141-220415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...East wind 5 to 10 knots becoming northwest 15 to
20 knots with gusts to around 30 knots in the late evening and
overnight. Mostly cloudy in the evening then becoming partly
cloudy. Waves 1 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots.
Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming north early
in the morning. Mostly clear. Waves 1 foot or less.
.MONDAY...North wind 5 knots becoming southeast in the afternoon.
Mostly sunny. Waves 1 foot or less.

$$

LSZ143-220415-
Silver Bay Harbor to Two Harbors MN-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY...

.TONIGHT...South wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 25 knots in the late evening and
overnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...North wind 5 knots becoming east late in the morning,
then becoming southeast in the afternoon. Sunny. Waves 1 foot or
less.

$$

LSZ142-220415-
Taconite Harbor to Silver Bay Harbor MN-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...East wind 5 knots becoming northwest 15 to 20 knots
with gusts to around 30 knots in the late evening and overnight.
Mostly cloudy early in the evening then clearing. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots.
Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...North wind 5 knots becoming southeast in the afternoon.
Mostly sunny. Waves 1 foot or less.

$$

LSZ144-145-220415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY...

.TONIGHT...West wind 15 to 20 knots becoming northwest with gusts
to around 25 knots in the late evening and overnight. Mostly
clear. Waves 1 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...West wind 5 knots becoming south late in the morning,
then becoming east in the afternoon. Sunny. Waves 1 foot or less.

$$

LSZ146-220415-
Port Wing to Sand Island WI-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY...

.TONIGHT...Southwest wind 5 to 10 knots becoming northwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Partly cloudy then becoming mostly cloudy late in the
evening then becoming partly cloudy. Waves 1 to 2 feet building
to 1 to 3 feet after midnight.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the afternoon. Sunny. Waves
1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast
after midnight. Mostly clear. Waves 1 foot or less.
.MONDAY...Southeast wind 5 knots becoming south late in the
morning, then becoming northeast in the afternoon. Sunny. Waves
1 foot or less.

$$

LSZ147-220415-
Sand Island to Bayfield WI-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...South wind 5 to 10 knots becoming northwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Mostly cloudy until early morning then becoming partly
cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming north after
midnight. Mostly clear. Waves 1 foot or less.
.MONDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ150-220415-
Outer Apostle Islands Beyond 5 NM from Mainland-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming northwest 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. Mostly cloudy until
early morning then becoming partly cloudy. Waves 1 to 3 feet
building to 3 to 5 feet after midnight.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. Sunny.
Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A
small craft advisory may be needed.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming north after
midnight. Mostly clear. Waves 1 to 2 feet.
.MONDAY...East wind 5 knots becoming southeast in the late
morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ121-220415-
Chequamegon Bay-Bayfield to Oak Point WI-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...Southwest wind 10 to 15 knots becoming northwest in
the late evening and overnight. Gusts up to 20 knots. Mostly
cloudy until early morning then becoming partly cloudy. Waves
1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. Sunny. Waves 1 foot
or less.
.SUNDAY NIGHT...North wind 5 knots. Clear. Waves 1 foot or less.
.MONDAY...Northwest wind 5 knots becoming south late in the
morning, then becoming east in the afternoon. Sunny. Waves 1 foot
or less.

$$

LSZ148-220415-
Oak Point to Saxon Harbor WI-
718 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

.TONIGHT...Southwest wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Mostly cloudy. Waves 1 to 2 feet building to 1 to
3 feet after midnight.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming north 5 to 10 knots in the afternoon. Mostly
sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots becoming northeast early
in the morning. Mostly clear. Waves 1 foot or less.
.MONDAY...Southeast wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.

$$

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

LE