Nearshore Marine Forecast
Issued by NWS Marquette, MI

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482
FZUS53 KMQT 231932
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
332 PM 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.

LSZ240-232045-
Saxon Harbor WI to Black River MI-
332 PM EDT Mon Oct 23 2017 /232 PM CDT Mon Oct 23 2017/

...GALE WARNING IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT
THROUGH LATE TUESDAY NIGHT...

.REST OF TODAY...West wind less than 10 knots. Mostly cloudy with
a slight chance of showers. Waves calm to 1 foot.
.TONIGHT...Northwest wind 15 to 25 knots veering north up to
30 knots after midnight. Gale force gusts up to 40 knots. Cloudy.
A chance of showers through midnight, then showers late. Waves
building to 10 to 14 feet occasionally to 18 feet.
.TUESDAY...North wind up to 30 knots with gale force gusts up to
43 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...Northwest wind up to 30 knots diminishing to
15 to 20 knots after midnight. Partly cloudy. A slight chance of
rain showers through midnight, then a chance of rain showers
after midnight. Waves subsiding to 3 to 5 feet occasionally to
7 feet.

$$

LSZ241-232045-
Black River to Ontonagon MI-
332 PM EDT Mon Oct 23 2017 /232 PM CDT Mon Oct 23 2017/

...STORM WARNING IN EFFECT FROM 2 AM EDT /1 AM CDT/ TUESDAY
THROUGH TUESDAY EVENING...

.REST OF TODAY...West wind less than 10 knots. Mostly cloudy.
Waves calm to 1 foot.
.TONIGHT...Northwest wind 10 to 20 knots becoming north up to
30 knots after midnight. Gale force gusts up to 43 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 35 knots with storm force gusts up to
50 knots. Rain showers through early afternoon, then a chance of
rain showers by mid afternoon. Waves building to 15 to 20 feet
occasionally to 25 feet, then subsiding to 12 to 17 feet
occasionally to 21 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots diminishing to
15 to 20 knots after midnight. Gale force gusts up to 39 knots.
Partly cloudy with a slight chance of rain showers. Waves
subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ243-232045-
Upper Entrance of Portage Canal to Eagle River MI-
332 PM EDT Mon Oct 23 2017

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

.REST OF TODAY...Variable wind less than 10 knots. Mostly cloudy.
Waves calm to 1 foot.
.TONIGHT...North wind less than 10 knots increasing to up to
30 knots. Gale force gusts up to 45 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
58 knots. Rain showers. Waves building to 15 to 20 feet
occasionally to 25 feet.
.TUESDAY NIGHT...North wind up to 30 knots diminishing to 15 to
25 knots after midnight. Gale force gusts up to 46 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.

$$

LSZ242-232045-
Ontonagon to Upper Entrance of Portage Canal MI-
332 PM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
EVENING...

.REST OF TODAY...Variable wind less than 10 knots. Mostly cloudy.
Waves calm to 1 foot.
.TONIGHT...North wind 5 to 15 knots increasing to 15 to 25 knots
after midnight, then increasing to up to 30 knots late. Gale
force gusts up to 44 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 35 knots with storm force gusts up to
56 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 backing northwest
15 to 25 knots after midnight. Gale force gusts up to 44 knots.
Mostly cloudy. A chance of rain showers through midnight, then a
slight chance of rain showers after midnight. Waves subsiding to
3 to 6 feet occasionally to 8 feet.

$$

LSZ244-245-232045-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
332 PM EDT Mon Oct 23 2017

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

.REST OF TODAY...Southeast wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.
.TONIGHT...East wind less than 10 knots becoming north 15 to
25 knots after midnight, then increasing to gales to 35 knots
late. Storm force gusts up to 49 knots. A slight chance of
showers in the evening, then a chance of showers after midnight.
Showers late. Waves subsiding to 1 to 2 feet, then building to
12 to 17 feet occasionally to 21 feet.
.TUESDAY...North gales to 45 knots with storm force gusts up to
63 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 up to
30 knots after midnight. Storm force gusts up to 50 knots.
Cloudy. Rain showers likely through midnight, then a slight
chance of rain showers after midnight. Waves subsiding to 5 to
8 feet occasionally to 10 feet.

$$

LSZ246-247-232045-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
332 PM EDT Mon Oct 23 2017

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

.REST OF TODAY...South wind less than 10 knots. Mostly cloudy.
Waves 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots becoming north 10 to
20 knots after midnight, then increasing to up to 30 knots late.
Gale force gusts up to 43 knots. A slight chance of showers in
the evening, then a chance of showers after midnight. Showers
late. 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 54 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...Northwest wind up to 30 knots with gale force
gusts up to 44 knots. Cloudy. Rain showers likely through
midnight, then a slight chance of rain showers possibly mixed
with snow showers after midnight. Waves subsiding to 2 to 4 feet.

$$

LSZ248-232045-
Huron Islands to Marquette MI-
332 PM EDT Mon Oct 23 2017

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

.REST OF TODAY...Southeast wind 5 to 15 knots. Cloudy. Waves 1 to
2 feet.
.TONIGHT...Variable wind less than 10 knots becoming north 15 to
25 knots after midnight, then increasing to gales to 35 knots
late. Storm force gusts up to 51 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
59 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 51 knots. Rain
showers through midnight, then a chance of rain showers after
midnight. Waves subsiding to 8 to 11 feet occasionally to
14 feet.

$$

LSZ249-232045-
Marquette to Munising MI-
332 PM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
EVENING...

.REST OF TODAY...Southeast wind less than 10 knots. Cloudy. Waves
calm to 1 foot.
.TONIGHT...East wind less than 10 knots becoming north up to
30 knots after midnight, then increasing to gales to 40 knots
late. Storm force gusts up to 53 knots. A chance of showers in
the evening, then showers likely 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
59 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 50 knots. Rain
showers. Waves subsiding to 9 to 12 feet occasionally to 15 feet.

$$

LSZ250-232045-
Munising to Grand Marais MI-
332 PM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...Southeast wind less than 10 knots. 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 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...North gales to 40 knots with storm force gusts up to
58 knots. Rain 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 gales to 35 knots backing northwest up to
30 knots after midnight. Storm force gusts up to 50 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.

$$

LSZ251-232045-
Grand Marais to Whitefish Point MI-
332 PM EDT Mon Oct 23 2017

...STORM WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...East wind less than 10 knots. Cloudy with a
slight chance of showers. Waves calm to 1 foot.
.TONIGHT...Northeast wind 10 to 20 knots becoming north up to
30 knots after midnight, then increasing to gales to 35 knots
late. Storm force gusts up to 51 knots. Showers. 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 50 knots.
Showers. Waves subsiding to 6 to 9 feet occasionally to 11 feet.
.TUESDAY NIGHT...Northeast wind up to 30 knots backing north
20 to 25 knots after midnight. Gale force gusts up to 42 knots.
Rain showers. Waves building to 9 to 12 feet occasionally to
15 feet, then subsiding to 6 to 9 feet occasionally to 11 feet.

$$

LMZ221-232045-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
332 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
WEDNESDAY MORNING...

.REST OF TODAY...Variable wind less than 10 knots. Cloudy with a
slight chance of showers. Waves calm to 1 foot.
.TONIGHT...North wind less than 10 knots becoming northwest up to
30 knots after midnight. Gale force gusts up to 44 knots. A
chance of showers in the evening, then 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...Northwest wind up to 30 knots with gale force gusts up
to 46 knots. Rain showers. Waves building to 6 to 9 feet
occasionally to 11 feet, then 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 chance of rain showers after midnight. Waves
subsiding to 3 to 5 feet occasionally to 7 feet.

$$

LMZ248-250-232045-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
332 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
WEDNESDAY MORNING...

.REST OF TODAY...East wind less than 10 knots. Cloudy with a
chance of showers. Waves calm to 1 foot.
.TONIGHT...North wind 5 to 15 knots increasing to 15 to 25 knots
after midnight, then backing northwest up to 30 knots late. Gale
force gusts up to 44 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...Northwest wind up to 30 knots with gale force gusts up
to 47 knots. Rain showers. Waves subsiding to 4 to 7 feet
occasionally to 9 feet, then building to 5 to 8 feet occasionally
to 10 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots with gale force
gusts up to 47 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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