621
FZUS53 KMQT 190040
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
840 PM EDT Sat May 18 2024

For waters within five nautical miles of shore

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.

LMZ221-248-250-190800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
840 PM EDT Sat May 18 2024

.REST OF TONIGHT...South wind 10 to 20 knots veering southwest
10 to 15 knots by midnight, then veering west less than 10 knots
late. Mostly cloudy with scattered showers and thunderstorms
through late evening, then partly cloudy with scattered showers
and isolated thunderstorms by midnight. Clear late. Waves 2 to
3 feet building to 2 to 4 feet, then subsiding to 1 to 2 feet.
.SUNDAY...West wind less than 10 knots backing south 5 to
15 knots by late morning. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots backing southeast
after midnight. Mostly cloudy. Waves 1 to 2 feet.
.MONDAY...Southeast wind less than 10 knots. Showers likely and a
slight chance of thunderstorms in the morning, then showers
likely and a chance of thunderstorms in the afternoon. Waves calm
to 1 foot.

$$

LSZ240-241-190800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
840 PM EDT Sat May 18 2024 /740 PM CDT Sat May 18 2024/

.REST OF TONIGHT...Southwest wind 10 to 15 knots becoming 10 to
20 knots by midnight. Clear. Isolated showers and thunderstorms
through late evening. Waves 1 to 2 feet building to 2 to 3 feet,
then subsiding to 1 to 2 feet.
.SUNDAY...Southwest wind 5 to 15 knots. Sunny through early
afternoon then becoming mostly cloudy. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind less than 10 knots. Partly cloudy
with a slight chance of showers in the evening, then mostly
cloudy with a chance of showers after midnight. Waves calm to
1 foot.
.MONDAY...Southeast wind less than 10 knots backing north in the
afternoon. Cloudy. Showers likely and a slight chance of
thunderstorms in the morning, then a chance of showers and a
slight chance of thunderstorms in the afternoon. Waves calm to
1 foot.

$$

LSZ243-190800-
Upper Entrance of Portage Canal to Eagle River MI-
840 PM EDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

.REST OF TONIGHT...Southwest wind 10 to 15 knots becoming 10 to
20 knots by midnight. Mostly cloudy with scattered showers and
thunderstorms through late evening, then clear by midnight. Some
thunderstorms may be severe with damaging winds and large hail.
Waves 1 to 2 feet building to 2 to 4 feet.
.SUNDAY...Southwest wind 10 to 20 knots. Sunny. Waves subsiding
to 2 to 3 feet.
.SUNDAY NIGHT...South wind 5 to 15 knots becoming less than
10 knots after midnight. Partly cloudy in the evening, then
mostly cloudy with a slight chance of showers after midnight.
Waves subsiding to 1 to 2 feet.
.MONDAY...Southeast wind less than 10 knots backing east in the
afternoon. Cloudy with a chance of showers. Waves calm to 1 foot.

$$

LSZ242-190800-
Ontonagon to Upper Entrance of Portage Canal MI-
840 PM EDT Sat May 18 2024

.REST OF TONIGHT...Southwest wind 10 to 15 knots veering west by
midnight. Partly cloudy through late evening then clearing.
Isolated showers and thunderstorms through late evening. Waves
1 to 2 feet building to 2 to 4 feet.
.SUNDAY...Southwest wind 5 to 15 knots with gusts up to 22 knots.
Sunny through early afternoon then becoming partly cloudy. Waves
subsiding to 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy in
the evening, then mostly cloudy with a slight chance of showers
after midnight. Waves 1 to 2 feet.
.MONDAY...Southeast wind less than 10 knots backing east in the
afternoon. Cloudy. Showers likely in the morning, then a chance
of showers in the afternoon. Waves calm to 1 foot.

$$

LSZ244-245-190800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
840 PM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

.REST OF TONIGHT...South wind 10 to 15 knots veering west 15 to
20 knots by midnight. Mostly cloudy with scattered showers and
thunderstorms through late evening, then clear by midnight. Some
thunderstorms may be severe with damaging winds and large hail.
Waves 2 to 4 feet subsiding to 2 to 3 feet, then building to 2 to
4 feet.
.SUNDAY...West wind 10 to 20 knots. Sunny. Waves subsiding to
2 to 3 feet.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots backing south less
than 10 knots after midnight. Partly cloudy. Waves subsiding to
1 to 2 feet.
.MONDAY...Southeast wind less than 10 knots. Cloudy with a chance
of rain showers. Waves calm to 1 foot.

$$

LSZ246-190800-
Point Isabelle to Lower Entrance of Portage Canal MI-
840 PM EDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

.REST OF TONIGHT...Southwest wind 5 to 15 knots veering west
10 to 15 knots by midnight. Mostly cloudy with scattered
thunderstorms and isolated showers through late evening, then
clear by midnight. Some thunderstorms may be severe with damaging
winds and large hail. Waves 2 to 3 feet subsiding to 1 to 2 feet.
.SUNDAY...West wind 5 to 15 knots with gusts up to 22 knots.
Sunny. Waves calm to 1 foot.
.SUNDAY NIGHT...South wind less than 10 knots in the evening
becoming variable. Partly cloudy in the evening, then mostly
cloudy with a slight chance of rain showers after midnight. Waves
calm to 1 foot.
.MONDAY...Southeast wind less than 10 knots backing east in the
afternoon. Cloudy. Rain showers likely in the morning, then a
chance of rain showers in the afternoon. Waves calm to 1 foot.

$$

LSZ247-190800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
840 PM EDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

.REST OF TONIGHT...Southwest wind 5 to 15 knots. Mostly cloudy
with scattered showers and thunderstorms through late evening,
then clear by midnight. Some thunderstorms may be severe with
damaging winds and large hail. Waves 1 to 2 feet.
.SUNDAY...West wind 10 to 15 knots diminishing to less than
10 knots late. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy in
the evening, then mostly cloudy with a slight chance of showers
after midnight. Waves calm to 1 foot.
.MONDAY...Southeast wind less than 10 knots backing east in the
afternoon. Cloudy. Showers likely in the morning, then a chance
of showers and a slight chance of thunderstorms in the afternoon.
Waves calm to 1 foot.

$$

LSZ248-190800-
Huron Islands to Marquette MI-
840 PM EDT Sat May 18 2024

.REST OF TONIGHT...Southwest wind 10 to 20 knots veering west by
midnight. Cloudy with scattered showers and thunderstorms through
late evening, then mostly clear with isolated showers and
thunderstorms by midnight. Clear late. Waves 1 to 2 feet building
to 2 to 3 feet, then subsiding to 1 to 2 feet.
.SUNDAY...West wind 5 to 15 knots backing southeast less than
10 knots late. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy in
the evening, then mostly cloudy with a slight chance of showers
after midnight. Waves calm to 1 foot.
.MONDAY...Southeast wind less than 10 knots. Cloudy. Showers
likely in the morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LSZ249-190800-
Marquette to Munising MI-
840 PM EDT Sat May 18 2024

.REST OF TONIGHT...South wind 10 to 15 knots veering west less
than 10 knots late. Mostly cloudy with isolated showers and
thunderstorms by late evening, then clear late. Waves 1 to
2 feet.
.SUNDAY...West wind less than 10 knots through mid morning
becoming variable, then becoming east less than 10 knots late.
Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Mostly cloudy. Waves calm to 1 foot.
.MONDAY...South wind less than 10 knots. Showers likely in the
morning, then showers likely and a slight chance of thunderstorms
in the afternoon. Waves calm to 1 foot.

$$

LSZ250-190800-
Munising to Grand Marais MI-
840 PM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TONIGHT...South wind 15 to 20 knots veering west 10 to
15 knots late. Mostly cloudy with isolated showers and
thunderstorms through late evening, then partly cloudy with
scattered showers and thunderstorms by midnight. Clear late.
Waves 1 to 2 feet.
.SUNDAY...West wind less than 10 knots through early afternoon
becoming variable. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy in
the evening then becoming mostly cloudy. Waves calm to 1 foot.
.MONDAY...Southeast wind less than 10 knots. A chance of showers
in the morning, then showers likely and a slight chance of
thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LSZ251-190800-
Grand Marais to Whitefish Point MI-
840 PM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TONIGHT...South wind 15 to 20 knots veering west 10 to
15 knots late. Mostly cloudy through late evening, then scattered
showers and thunderstorms by midnight. Mostly clear late. Waves
1 to 2 feet.
.SUNDAY...West wind less than 10 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy.
Waves 1 to 2 feet.
.MONDAY...Southeast wind less than 10 knots. Mostly cloudy. A
chance of showers in the morning, then showers likely and a
slight chance of thunderstorms in the afternoon. Waves calm to
1 foot.

$$

WFO MQT