023
FZUS53 KDLH 180929
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
429 AM CDT Sat May 18 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.

LSZ140-141-181615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
429 AM CDT Sat May 18 2024

.TODAY...East wind 10 to 15 knots becoming southeast 5 to
10 knots late in the afternoon. Chance of showers and
thunderstorms in the morning, then slight chance of showers and
thunderstorms early in the afternoon. Chance of showers and
thunderstorms late in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots in
the afternoon. Sunny. Waves 1 to 3 feet building to 2 to 4 feet
in the late morning and afternoon.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northeast 5 to 10 knots after midnight,
then becoming east early in the morning. Slight chance of rain
showers in the evening, then chance of rain showers after
midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.

$$

LSZ142-143-181615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
429 AM CDT Sat May 18 2024

.TODAY...Northeast wind 10 to 15 knots becoming south late in the
afternoon. Chance of showers and thunderstorms through the day.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and early afternoon. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northeast wind 5 to 10 knots becoming east late
in the evening, then becoming northeast after midnight. Slight
chance of rain showers. Waves 1 to 2 feet.

$$

LSZ144-145-181615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots late in the
afternoon. Patchy fog early in the morning. Chance of showers and
thunderstorms early in the morning, then slight chance of showers
and thunderstorms late in the morning. Chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet in the afternoon.
.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots early in the morning. Clear.
Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.SUNDAY...Southwest wind 10 to 15 knots. Sunny in the morning
then becoming partly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...East wind 5 to 10 knots. Chance of rain showers
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ146-181615-
Port Wing to Sand Island WI-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Northeast wind 5 to 10 knots becoming east 10 to
15 knots late in the morning, then becoming north with gusts to
around 20 knots early in the afternoon becoming west with gusts
to around 20 knots late in the afternoon. Chance of showers and
thunderstorms through the day. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet early in
the morning.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and early afternoon. Sunny in the morning then
becoming partly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east after
midnight. Slight chance of rain showers in the evening, then rain
showers likely and slight chance of thunderstorms after midnight.
Waves 1 foot or less.

$$

LSZ147-181615-
Sand Island to Bayfield WI-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Southeast wind 5 to 10 knots with gusts to around
20 knots becoming southwest 10 to 15 knots with gusts to around
20 knots in the afternoon. Chance of showers and thunderstorms
through the day. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early
in the morning. Slight chance of rain showers. Waves 1 foot or
less.

$$

LSZ150-181615-
Outer Apostle Islands Beyond 5 NM from Mainland-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots late in
the afternoon. Chance of showers and thunderstorms through the
day. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 15 to 20 knots. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 3 feet early in the morning.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and early afternoon. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early
in the morning. Slight chance of rain showers in the evening,
then chance of rain showers after midnight. Waves 1 to 2 feet.

$$

LSZ121-181615-
Chequamegon Bay-Bayfield to Oak Point WI-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...South wind 10 to 15 knots with gusts to around 25 knots
becoming southwest with gusts to around 25 knots late in the
afternoon. Chance of showers and thunderstorms through the day.
Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Slight chance of showers and thunderstorms in the
evening. Waves 1 to 2 feet.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny in the morning then
becoming partly sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots. Slight chance of
rain showers in the evening, then rain showers likely and slight
chance of thunderstorms after midnight. Waves 1 foot or less.

$$

LSZ148-181615-
Oak Point to Saxon Harbor WI-
429 AM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...South wind 10 to 15 knots with gusts to around 25 knots
becoming southwest with gusts to around 25 knots in the
afternoon. Slight chance of thunderstorms in the morning. Chance
of rain showers through the day. Chance of thunderstorms in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots after midnight. Slight chance of
showers and thunderstorms in the evening. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots. Slight chance of
rain showers in the evening, then rain showers likely and slight
chance of thunderstorms after midnight. Waves 1 foot or less.

$$

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

LE