Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
768
FZUS53 KDLH 182050
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
350 PM 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.

LSZ140-141-190415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
350 PM CDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of showers and thunderstorms early in the
evening. 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. A small craft advisory may be
needed.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 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
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers.
Waves 1 to 2 feet.

$$

LSZ142-143-190415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
350 PM CDT Sat May 18 2024

.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. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...South wind 5 to 10 knots becoming northeast after
midnight. Slight chance of rain showers in the evening, then
chance of rain showers after midnight. Waves 1 to 2 feet.
.MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers.
Waves 1 to 2 feet.

$$

LSZ144-145-190415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
350 PM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots late in the night. Mostly clear.
Waves 1 to 3 feet subsiding to 1 to 2 feet after midnight.
.SUNDAY...Southwest wind 5 to 10 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 after midnight. Waves
1 foot or less.
.MONDAY...Northeast wind 10 to 15 knots. Rain showers likely in
the morning, then chance of rain showers in the afternoon. Waves
1 to 2 feet.

$$

LSZ146-190415-
Port Wing to Sand Island WI-
350 PM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Mostly clear. Waves 1 to 3 feet subsiding to
1 to 2 feet late in the night.
.SUNDAY...Southwest wind 10 knots rising to 10 to 15 knots in the
late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early
in the morning. Chance of rain showers in the evening, then rain
showers likely after midnight. Waves 1 foot or less.
.MONDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Rain showers likely in the morning,
then chance of rain showers in the afternoon. Waves 1 to 2 feet.

$$

LSZ147-190415-
Sand Island to Bayfield WI-
350 PM CDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots until
early morning. Mostly clear. Waves 1 to 3 feet subsiding to 1 to
2 feet late in the night.
.SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early
in the morning. Chance of rain showers in the evening, then rain
showers likely after midnight. Waves 1 foot or less.
.MONDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Rain showers likely in the morning,
then chance of rain showers in the afternoon. Waves 1 to 2 feet.

$$

LSZ150-190415-
Outer Apostle Islands Beyond 5 NM from Mainland-
350 PM CDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Slight chance of showers and thunderstorms early in the
evening. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots. Chance of rain
showers through the night. Waves 1 to 2 feet.
.MONDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Chance of rain showers. Waves 1 to
2 feet.

$$

LSZ121-190415-
Chequamegon Bay-Bayfield to Oak Point WI-
350 PM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots with gusts to around 20 knots in
the late evening and overnight. Mostly clear. Waves 1 foot or
less.
.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 knots. Chance of rain showers in
the evening, then rain showers likely after midnight. Waves
1 foot or less.
.MONDAY...Southeast wind 5 to 10 knots becoming north in the
afternoon. Rain showers likely in the morning. Slight chance of
thunderstorms through the day. Chance of rain showers in the
afternoon. Waves 1 foot or less.

$$

LSZ148-190415-
Oak Point to Saxon Harbor WI-
350 PM CDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Slight chance of showers and thunderstorms early 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. Chance of rain
showers in the evening, then rain showers likely after midnight.
Waves 1 foot or less.
.MONDAY...Southeast wind 5 to 10 knots becoming north in the
afternoon. Rain showers likely in the morning. Slight chance of
thunderstorms through the day. Chance of rain showers in the
afternoon. Waves 1 foot or less.

$$

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

JDS