Nearshore Marine Forecast
Issued by NWS Marquette, MI

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000
FZUS53 KMQT 230841
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
441 AM EDT Mon Oct 23 2017

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.

LSZ240-232000-
Saxon Harbor WI to Black River MI-
441 AM EDT Mon Oct 23 2017 /341 AM CDT Mon Oct 23 2017/

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY
NIGHT...

.EARLY THIS MORNING...South wind 15 to 20 knots. Mostly cloudy
with a slight chance of showers. Waves 2 to 3 feet.
.TODAY...South wind 15 to 20 knots veering southwest 5 to
15 knots in the afternoon, then veering west less than 10 knots
late. Mostly cloudy with a slight chance of showers. Waves
subsiding to 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 25 knots veering north up to
30 knots after midnight. Gale force gusts up to 42 knots. Cloudy.
A chance of showers in the evening, then showers likely after
midnight. Waves building to 10 to 14 feet occasionally to
18 feet.
.TUESDAY...North wind up to 30 knots with gale force gusts up to
47 knots. Rain showers likely. Waves building to 11 to 15 feet
occasionally to 19 feet, then subsiding to 10 to 14 feet
occasionally to 18 feet.
.TUESDAY NIGHT...North wind up to 30 knots becoming northwest
10 to 20 knots after midnight. Gale force gusts up to 37 knots.
Mostly cloudy with a slight chance of rain showers. Waves
subsiding to 3 to 5 feet occasionally to 7 feet.

$$

LSZ241-232000-
Black River to Ontonagon MI-
441 AM EDT Mon Oct 23 2017 /341 AM CDT Mon Oct 23 2017/

...STORM WARNING IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...South wind 15 to 20 knots. Mostly cloudy.
Waves 2 to 3 feet.
.TODAY...South wind 15 to 20 knots veering southwest 5 to
15 knots in the afternoon, then veering northwest less than
10 knots late. Mostly cloudy. A slight chance of showers in the
afternoon. Waves subsiding to 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 20 knots veering north 20 to
25 knots after midnight, then increasing to gales to 35 knots
late. Gale force gusts up to 46 knots. Cloudy. A chance of
showers through midnight, then showers likely late. Waves
building to 10 to 14 feet occasionally to 18 feet.
.TUESDAY...North gales to 35 knots with storm force gusts up to
53 knots. Rain showers. Waves building to 15 to 20 feet
occasionally to 25 feet, then subsiding to 12 to 17 feet
occasionally to 21 feet.
.TUESDAY NIGHT...North wind up to 30 knots becoming northwest
10 to 20 knots after midnight. Gale force gusts up to 43 knots.
Mostly cloudy. A chance of rain showers through midnight, then a
slight chance of rain showers after midnight. Waves subsiding to
3 to 5 feet occasionally to 7 feet.

$$

LSZ243-232000-
Upper Entrance of Portage Canal to Eagle River MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.
.TODAY...South wind 5 to 15 knots through mid afternoon becoming
variable. Mostly cloudy. Waves subsiding to 1 to 2 feet.
.TONIGHT...North wind 5 to 15 knots increasing to gales to
35 knots. Storm force gusts up to 50 knots. Cloudy. Showers after
midnight. Waves building to 10 to 14 feet occasionally to
18 feet.
.TUESDAY...North gales to 40 knots with storm force gusts up to
59 knots. Rain showers. Waves building to 15 to 20 feet
occasionally to 25 feet.
.TUESDAY NIGHT...North gales to 35 knots diminishing to 15 to
25 knots after midnight. Gale force gusts up to 47 knots. Cloudy.
Rain showers likely through midnight, then a slight chance of
rain showers after midnight. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.

$$

LSZ242-232000-
Ontonagon to Upper Entrance of Portage Canal MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.
.TODAY...South wind 10 to 15 knots veering southwest 5 to
15 knots in the afternoon, then veering northwest less than
10 knots late. Mostly cloudy. A slight chance of rain showers in
the afternoon. Waves subsiding to 1 to 2 feet.
.TONIGHT...North wind 5 to 15 knots increasing to 15 to 25 knots
after midnight, then increasing to gales to 35 knots late. Storm
force gusts up to 50 knots. Cloudy. A slight chance of showers in
the evening, then a chance of showers after midnight. Showers
late. Waves building to 10 to 14 feet occasionally to 18 feet.
.TUESDAY...North gales to 40 knots with storm force gusts up to
59 knots. Rain showers. Waves building to 15 to 20 feet
occasionally to 25 feet, then subsiding to 12 to 17 feet
occasionally to 21 feet.
.TUESDAY NIGHT...North wind up to 30 knots with gale force gusts
up to 47 knots. Mostly cloudy. Rain showers likely through
midnight, then a slight chance of rain showers after midnight.
Waves subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ244-245-232000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...Southwest wind 10 to 15 knots. Partly
cloudy. Waves 2 to 3 feet.
.TODAY...South wind 10 to 15 knots backing southeast 5 to
15 knots late. Partly cloudy. Waves subsiding to 1 to 2 feet,
then building to 2 to 3 feet.
.TONIGHT...Northeast wind 5 to 15 knots becoming north up to
30 knots after midnight, then increasing to gales to 40 knots
late. Storm force gusts up to 55 knots. A slight chance of
showers in the evening, then showers after midnight. Waves
building to 12 to 17 feet occasionally to 21 feet.
.TUESDAY...North gales to 45 knots with hurricane force gusts up
to 66 knots. Rain showers. Waves building to 20 to 25 feet
occasionally to 31 feet, then subsiding to 15 to 20 feet
occasionally to 25 feet.
.TUESDAY NIGHT...North gales to 35 knots diminishing to 20 to
25 knots after midnight. Storm force gusts up to 51 knots. Rain
showers through midnight, then a chance of rain showers after
midnight. Waves subsiding to 5 to 8 feet occasionally to 10 feet.

$$

LSZ246-247-232000-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...Southwest wind 10 to 15 knots. Partly
cloudy. Waves 1 to 2 feet.
.TODAY...South wind 5 to 15 knots through mid afternoon becoming
variable. Partly cloudy. Waves 1 to 2 feet.
.TONIGHT...North wind less than 10 knots increasing to up to
30 knots after midnight. Storm force gusts up to 49 knots. A
slight chance of showers in the evening, then showers after
midnight. Waves building to 9 to 12 feet occasionally to 15 feet.
.TUESDAY...North gales to 35 knots diminishing to up to 30 knots
by mid afternoon. Storm force gusts up to 58 knots. Rain showers.
Waves building to 11 to 15 feet occasionally to 19 feet, then
subsiding to 10 to 14 feet occasionally to 18 feet.
.TUESDAY NIGHT...North wind up to 30 knots backing northwest
15 to 20 knots after midnight. Gale force gusts up to 44 knots.
Cloudy. Rain showers through midnight, then a chance of rain
showers possibly mixed with snow showers after midnight. Waves
subsiding to 2 to 4 feet.

$$

LSZ248-232000-
Huron Islands to Marquette MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...Southwest wind 10 to 15 knots. Mostly
clear. Waves 1 to 2 feet.
.TODAY...South wind 10 to 15 knots backing southeast 5 to
15 knots in the afternoon. Partly cloudy. Waves building to 1 to
2 feet.
.TONIGHT...Northeast wind 5 to 15 knots becoming north up to
30 knots after midnight, then increasing to gales to 40 knots
late. Storm force gusts up to 55 knots. A slight chance of
showers in the evening, then a chance of showers after midnight.
Showers late. Waves building to 15 to 20 feet occasionally to
25 feet.
.TUESDAY...North gales to 40 knots with storm force gusts up to
61 knots. Rain showers. Waves building to 20 to 25 feet
occasionally to 31 feet, then subsiding to 17 to 22 feet
occasionally to 28 feet.
.TUESDAY NIGHT...North gales to 35 knots backing northwest up to
30 knots after midnight. Storm force gusts up to 49 knots.
Cloudy. Rain showers through midnight, then a chance of rain
showers after midnight. Waves subsiding to 8 to 11 feet
occasionally to 14 feet.

$$

LSZ249-232000-
Marquette to Munising MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 10 to 15 knots backing southeast less than
10 knots late. Mostly cloudy. Waves calm to 1 foot.
.TONIGHT...Northeast wind 5 to 15 knots becoming north up to
30 knots after midnight, then increasing to gales to 40 knots
late. Storm force gusts up to 57 knots. A chance of showers in
the evening, then showers after midnight. Waves building to 15 to
20 feet occasionally to 25 feet.
.TUESDAY...North gales to 40 knots with storm force gusts up to
61 knots. Rain showers. Waves building to 20 to 25 feet
occasionally to 31 feet, then subsiding to 17 to 22 feet
occasionally to 28 feet.
.TUESDAY NIGHT...North gales to 35 knots diminishing to up to
30 knots after midnight. Storm force gusts up to 49 knots. Rain
showers. Waves subsiding to 9 to 12 feet occasionally to 15 feet.

$$

LSZ250-232000-
Munising to Grand Marais MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Partly
cloudy. Waves 1 to 2 feet.
.TODAY...South wind less than 10 knots backing southeast late.
Partly cloudy through mid afternoon then becoming cloudy. A
slight chance of rain showers late. Waves calm to 1 foot.
.TONIGHT...Northeast wind 10 to 20 knots becoming north gales to
35 knots after midnight. Storm force gusts up to 55 knots. A
chance of showers in the evening, then showers after midnight.
Waves building to 15 to 20 feet occasionally to 25 feet.
.TUESDAY...Northeast gales to 35 knots diminishing to up to
30 knots by mid afternoon. Storm force gusts up to 55 knots.
Showers. Waves building to 17 to 22 feet occasionally to 28 feet,
then subsiding to 11 to 15 feet occasionally to 19 feet.
.TUESDAY NIGHT...North wind up to 30 knots. Gale force gusts up
to 41 knots. Rain showers. Waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 8 to 11 feet
occasionally to 14 feet.

$$

LSZ251-232000-
Grand Marais to Whitefish Point MI-
441 AM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
cloudy. Patchy fog. Waves 1 to 2 feet.
.TODAY...South wind less than 10 knots backing east late. Mostly
cloudy. Patchy fog in the morning. A slight chance of rain
showers late. Waves calm to 1 foot.
.TONIGHT...Northeast wind 10 to 20 knots increasing to gales to
35 knots. Storm force gusts up to 52 knots. A chance of showers
in the evening, then showers after midnight. Waves building to
15 to 20 feet occasionally to 25 feet.
.TUESDAY...Northeast wind up to 30 knots veering east 15 to
25 knots by mid afternoon. Storm force gusts up to 49 knots.
Showers. Waves subsiding to 6 to 9 feet occasionally to 11 feet.
.TUESDAY NIGHT...Northeast wind 15 to 25 knots backing north up
to 30 knots after midnight. Rain showers. Waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet.

$$

LMZ221-232000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
441 AM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
MORNING...

.EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly
cloudy. Waves 1 to 2 feet.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots late. Mostly cloudy. A slight chance of rain
showers late. Waves calm to 1 foot.
.TONIGHT...North wind 10 to 20 knots increasing to up to 30 knots
after midnight. Storm force gusts up to 49 knots. A chance of
rain showers in the evening, then rain showers after midnight.
Waves building to 6 to 9 feet occasionally to 11 feet, then
subsiding to 5 to 8 feet occasionally to 10 feet.
.TUESDAY...North wind up to 30 knots with storm force gusts up to
53 knots. Rain showers. Waves subsiding to 4 to 7 feet
occasionally to 9 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots with gale force
gusts up to 45 knots. Cloudy. Rain showers likely through
midnight, then a slight chance of rain showers after midnight.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.

$$

LMZ248-250-232000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
441 AM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
MORNING...

.EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly
cloudy. Waves 1 to 2 feet.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots late. Mostly cloudy. A chance of showers late.
Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 20 knots increasing to up to 30 knots
after midnight. Storm force gusts up to 49 knots. Showers. Waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet.
.TUESDAY...North wind up to 30 knots with storm force gusts up to
49 knots. Showers. Waves subsiding to 4 to 7 feet occasionally to
9 feet.
.TUESDAY NIGHT...North wind up to 30 knots with gale force gusts
up to 44 knots. Cloudy. Rain showers likely through midnight,
then a chance of rain showers after midnight. Waves subsiding to
3 to 5 feet occasionally to 7 feet.

$$

WFO MQT



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