520
FZUS53 KDLH 212016
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
316 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.

LSZ140-141-212130-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...West wind 5 knots becoming northwest 15 to 20 knots
with gusts to around 30 knots in the late evening and overnight.
Slight chance of showers and thunderstorms early in the evening.
Waves 1 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...North wind 5 to 10 knots becoming southeast in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ143-212130-
Silver Bay Harbor to Two Harbors MN-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH LATE TONIGHT...

.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
late in the evening increasing to 30 knots, then decreasing to
25 knots late in the night. 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 southeast in the afternoon.
Sunny. Waves 1 foot or less.

$$

LSZ142-212130-
Taconite Harbor to Silver Bay Harbor MN-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
30 knots. Slight chance of showers and thunderstorms early in the
evening. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. 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.

$$

LSZ144-145-212130-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH LATE TONIGHT...

.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and early morning,
then decreasing to 20 knots late in the night. 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...Northwest wind 5 knots becoming south late in the
morning, then becoming east in the afternoon. Sunny. Waves 1 foot
or less.

$$

LSZ146-212130-
Port Wing to Sand Island WI-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH LATE TONIGHT...

.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of showers and thunderstorms early in the
evening. Waves 1 to 2 feet building to 1 to 3 feet after
midnight.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots in the afternoon. Sunny. Waves
1 to 2 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early
in the morning. Mostly clear. Waves 1 foot or less.
.MONDAY...Northeast wind 5 knots becoming east late in the
morning, then becoming northeast in the afternoon. Sunny. Waves
1 foot or less.

$$

LSZ147-212130-
Sand Island to Bayfield WI-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
25 knots rising to 15 to 20 knots with gusts to around 30 knots
after midnight. Chance of showers and thunderstorms early in the
evening. Waves 1 to 2 feet building to 2 to 4 feet after
midnight.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early
in the morning. Mostly clear. Waves 1 foot or less.
.MONDAY...Northeast wind 5 to 10 knots becoming east in the late
morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ150-212130-
Outer Apostle Islands Beyond 5 NM from Mainland-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...West wind 5 to 10 knots becoming northwest 15 to
20 knots with gusts to around 30 knots in the late evening and
overnight. Chance of showers and thunderstorms early in the
evening. Waves 1 to 2 feet building to 3 to 5 feet after
midnight.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing 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...Northeast wind 5 to 10 knots becoming east in the late
morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ121-212130-
Chequamegon Bay-Bayfield to Oak Point WI-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...West wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 25 knots in the late evening and
overnight. Chance of showers and thunderstorms early in the
evening. Waves 1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming north 5 to 10 knots in the afternoon. Sunny.
Waves 1 foot or less.
.SUNDAY NIGHT...North wind 5 knots. Clear. Waves 1 foot or less.
.MONDAY...North wind 5 knots becoming southeast late in the
morning, then becoming east in the afternoon. Sunny. Waves 1 foot
or less.

$$

LSZ148-212130-
Oak Point to Saxon Harbor WI-
316 PM CDT Sat Sep 21 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...West wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 25 knots in the late evening and
overnight. Chance of showers and thunderstorms early in the
evening, then slight chance of showers and thunderstorms late in
the evening. Waves 1 foot or less 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 with gusts to around
20 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet.
.SUNDAY NIGHT...North wind 5 to 10 knots. 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.

$$

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

Levens