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fzus61 kbuf 181744
glflo 

loz063>065-182215-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1244 pm est mon dec 18 2017

.this afternoon...south winds 5 to 15 knots becoming southwest.
rain and freezing rain early, then rain late. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 25 knots. rain with patchy
drizzle in the evening, then scattered rain showers with patchy
drizzle after midnight. waves 1 to 3 feet building to 3 to
5 feet. 
.tuesday...southwest winds to 30 knots becoming west. scattered
showers with patchy drizzle. waves 3 to 6 feet building to 8 to
11 feet. waves occasionally around 14 feet. 
.tuesday night...west winds to 30 knots. lake effect rain showers
likely in the evening, then lake effect snow and rain showers
likely overnight. waves 7 to 11 feet subsiding to 6 to 9 feet.
waves occasionally around 14 feet. 
.wednesday...northwest winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. lake effect snow showers likely
during the day, then a chance of snow showers wednesday night.
waves 7 to 10 feet subsiding to 2 to 4 feet. waves occasionally
around 13 feet. 
.thursday...northeast winds 10 knots or less becoming east and
increasing to 15 to 20 knots. a chance of snow thursday night.
waves 2 feet or less building to 3 to 5 feet. 
.friday...southeast winds 15 to 25 knots becoming south. a chance
of rain and snow during the day, then rain likely friday night.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 

$$
fzus61 kbuf 181744
glflo 
577 

open lake forecast for lake ontario
national weather service buffalo ny
1244 pm est mon dec 18 2017

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...a 30.3 inch high will move off the eastern seaboard 
today. on tuesday, a 29.1 inch low will move from hudson bay to
northern quebec and will sweep a cold front across lake ontario
tuesday evening. a ridge of high pressure will then move across 
the lower great lakes wednesday through thursday.

loz062-182215-
lake ontario open waters from the niagara river to hamlin beach-
1244 pm est mon dec 18 2017

.this afternoon...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. rain. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots increasing to 30 knots.
scattered rain showers with patchy drizzle. waves 2 to 4 feet
building to 3 to 5 feet. 
.tuesday...southwest winds to 30 knots becoming west. scattered
showers with patchy drizzle. waves 4 to 7 feet building to 6 to
9 feet. waves occasionally around 11 feet. 
.tuesday night...west winds to 30 knots. a chance of rain showers
in the evening, then a chance of snow and rain showers overnight.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...northwest winds 15 to 25 knots becoming north and
diminishing to 5 to 15 knots. a chance of snow showers. waves
5 to 8 feet subsiding to 1 to 3 feet. waves occasionally around
10 feet. 
.thursday...northeast winds 5 to 10 knots becoming east and
increasing to 15 to 20 knots. a chance of snow thursday night.
waves 1 to 3 feet building to 3 to 6 feet. 
.friday...southeast winds 15 to 20 knots becoming south. a chance
of rain and snow during the day, then rain likely friday night.
waves 3 to 6 feet subsiding to 2 to 4 feet. 

$$
fzus61 kcle 181449
glfle 
467 

open lake forecast for lake erie
national weather service cleveland oh
949 am est mon dec 18 2017

for waters beyond five nautical miles of shore on lake erie

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.

.synopsis...a southwest flow will continue ahead of a cold front 
that will cross lake erie tuesday afternoon and evening. high 
pressure 30.20 inches from the upper midwest will slide across the
eastern great lakes by wednesday night. low pressure 29.60 inches
will track from the southwestern states toward the great lakes on
friday.

lez162>164-182130-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
lake erie open waters from the islands to vermilion oh-
949 am est mon dec 18 2017

.this afternoon...southwest winds 10 to 15 knots. a slight chance 
of rain and drizzle this afternoon. waves 1 to 3 feet.
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west. waves
2 to 4 feet. 
.tuesday night...west winds 15 to 20 knots becoming northwest.
waves 2 to 4 feet. 
.wednesday...northwest winds 5 to 15 knots becoming east less
than 10 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.thursday...southeast winds 5 to 15 knots. waves 2 feet or less. 
.friday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. rain likely. waves 1 to 3 feet. 

$$
fzus61 kcle 181449
glfle 

lez061-165>169-182130-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from vermilion to avon point oh-
lake erie open waters from avon point to willowick oh-
lake erie open waters from willowick to geneva-on-the-lake oh-
lake erie open waters from geneva-on-the-lake to conneaut oh-
lake erie open waters from conneaut oh to ripley ny-
949 am est mon dec 18 2017

.this afternoon...southwest winds 15 to 20 knots. a chance of 
rain with patchy drizzle. waves 3 to 5 feet. 
.tonight...southwest winds 15 to 25 knots. waves 3 to 6 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.tuesday...southwest winds to 30 knots becoming west. waves 5 to
9 feet. waves occasionally around 11 feet. 
.tuesday night...west winds 15 to 25 knots. a chance of rain
showers in the evening. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.wednesday...northwest winds 15 to 20 knots becoming northeast
5 to 15 knots. waves 3 to 6 feet subsiding to 1 foot or less. 
.thursday...east winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.friday...south winds 15 to 20 knots becoming southwest. rain
likely. waves 1 to 3 feet building to 3 to 5 feet. 

$$
fzus63 kdtx 181459
glfsc 
794 

lake st clair forecast
national weather service detroit/pontiac mi
959 am est mon dec 18 2017

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.

.synopsis...the next low pressure system, 29.90 inches, will move 
from central canada through hudson bay tonight. this low will drag
a cold front across the northern great lakes on tuesday. the 
strength of this front will make gale force wind gusts possible 
monday night through tuesday night. winds will ease as high 
pressure builds into the region wednesday.

lcz460-182115-
lake st clair-
959 am est mon dec 18 2017

.rest of today...southwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon...then increasing to 10 to 15 knots
late in the afternoon. mostly cloudy. patchy fog. a chance of 
light showers.
.tonight...southwest winds 10 to 15 knots increasing to 15 to 20
knots early in the morning. mostly cloudy.
.tuesday...west winds 15 to 20 knots diminishing to 10 to 15 knots
late in the afternoon. partly sunny.
.tuesday night...west winds 10 to 15 knots. mostly clear.
.wednesday...northwest winds 5 to 10 knots becoming light and
variable. mostly sunny in the morning becoming partly cloudy.
.thursday...east winds 5 to 10 knots. mostly cloudy.
.friday...south winds 10 to 15 knots. cloudy with showers likely and
a chance of snow showers.

waves omitted due to ice coverage.

$$
fzus63 kdtx 181457
glflh 

lhz362-363-462-182115-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
957 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. a chance of snow showers late in
the morning. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon. 
.tonight...southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 35 knot gales after
midnight. a chance of snow showers after midnight. waves 4 to
6 feet building to 8 to 12 feet after midnight. waves
occasionally around 15 feet. 
.tuesday...west winds 20 to 25 knots with gusts to 35 knot gales.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday night...west winds to 30 knots with gusts to 40 knot
gales. waves 10 to 14 feet. waves occasionally around 18 feet. 
.wednesday...northwest winds 15 to 20 knots with gusts to 35 knot
gales becoming light and variable. a chance of snow showers late
in the evening. waves 8 to 12 feet subsiding to 3 to 5 feet late
in the afternoon. waves occasionally around 15 feet. 
.thursday...north winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then increasing to 10 to
15 knots early in the evening increasing to 15 to 20 knots in the
late evening and early morning. a chance of snow showers early in
the morning...then snow showers likely. waves 1 to 3 feet
building to 4 to 6 feet until early morning. waves occasionally
around 8 feet. 
.friday...east winds 20 to 25 knots with gusts to 30 knots
becoming southeast 15 to 20 knots until early evening...then
veering to the south with gusts to 30 knots in the late evening
and early morning. snow showers. showers likely. waves 6 to
9 feet. waves occasionally around 12 feet. 


$$
fzus63 kdtx 181457
glflh 

lhz463-464-182115-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
957 am est mon dec 18 2017

.rest of today...southwest winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. areas of fog late in the
morning. a chance of showers late in the morning. waves 1 to
3 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. waves 3 to 5 feet building to 4 
to 6 feet early in the morning. waves occasionally around 8 feet.
.tuesday...west winds 20 to 25 knots with gusts to 30 knot. waves
5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...west winds 20 to 25 knots with gusts to
30 knots. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet subsiding to 2 to 4 feet late in the
evening. waves occasionally around 8 feet. 
.thursday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast early in the evening increasing to 10 to 15 knots in
the late evening and early morning. a chance of snow showers. a
chance of showers in the evening. waves 1 to 3 feet building to
2 to 4 feet in the late evening and early morning. 
.friday...south winds 15 to 20 knots with gusts to 30 knots. a
chance of showers early in the morning. snow showers likely.
showers likely. waves 4 to 6 feet. waves occasionally around
8 feet. 


$$
fzus63 kdtx 181457
glflh 
186 

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am est mon dec 18 2017

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...the next low pressure system, 29.90 inches, will move 
from central canada through hudson bay tonight. this low will drag
a cold front across the northern great lakes on tuesday. the 
strength of this front will make gale force wind gusts possible 
monday night through tuesday night. winds will ease as high 
pressure builds into the region wednesday.

lhz361-182115-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
957 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 35 knot gales early in
the morning. a chance of showers. a chance of snow showers early
in the morning. waves 3 to 5 feet building to 5 to 7 feet early
in the morning. waves occasionally around 10 feet. 
.tuesday...west winds 20 to 25 knots with gusts to 35 knot gales.
a chance of showers. a chance of snow showers in the afternoon.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday night...west winds to 30 knots becoming northwest 20 to
25 knots after midnight. gusts to 40 knot gales. a chance of
showers early in the evening. a chance of snow showers until
early morning. waves 8 to 12 feet. waves occasionally around
15 feet. 
.wednesday...northwest winds 15 to 20 knots with gusts to
30 knots in the morning decreasing to 10 to 15 knots...then
decreasing to 5 to 10 knots late in the afternoon becoming light
and variable. a chance of snow showers late in the evening. waves
5 to 7 feet subsiding to 1 to 3 feet. waves occasionally around
10 feet. 
.thursday...east winds 5 to 10 knots increasing to 10 to 15 knots
until early morning. a chance of snow showers...then snow showers
likely until early morning. waves 1 to 3 feet building to 4 to
6 feet until early morning. waves occasionally around 8 feet. 
.friday...east winds 15 to 20 knots becoming northeast 10 to
15 knots in the late evening and early morning. snow showers.
showers early in the evening. a chance of snow showers after
midnight. waves 6 to 9 feet. waves occasionally around 12 feet. 


$$
fzus63 klot 181451
glflm 
198 

open lake forecast for lake michigan
national weather service chicago/romeoville il
851 am cst mon dec 18 2017

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...low pressure of 29.1 inches over northern manitoba 
will move east across hudson bay tuesday morning with a cold front
trailing well south from the low moving across lake michigan by 
midday tuesday. a ridge of high pressure averaging 30.3 inches 
over the northern plains tuesday morning will move east and be 
centered over the great lakes by wednesday afternoon. meanwhile, 
wednesday afternoon, new low pressure of 29.5 inches will develop 
over the central high plains. this low will track east-northeast 
to northern illinois by friday morning, then deepen to 29.3 inches
as it moves more slowly northeast to southern quebec by saturday 
morning.

lmz261-362-364-366-563-565-567-868-182230-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
851 am cst mon dec 18 2017

sheboygan wi to pentwater mi north...

...gale warning in effect from this evening through tuesday
evening...

.rest of today...southwest winds 10 to 20 kt increasing to 30 kt
in the afternoon. slight chance of snow through mid morning. 
waves 1 to 2 ft building to 4 to 7 ft occasionally to 9 ft. 
.tonight...southwest winds to 30 kt increasing to gales to
35 kt...then becoming west gales to 35 kt late. scattered rain 
showers. waves 5 to 8 ft occasionally to 10 ft building to 8 to 11
ft occasionally to 14 ft. 
.tuesday...west gales to 35 kt. waves 7 to 10 ft occasionally to
13 ft. 
.tuesday night...northwest gales to 35 kt diminishing to 30 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.wednesday...northwest winds 15 to 25 kt becoming north 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to
3 ft. 
.wednesday night...northeast winds 5 to 10 kt veering to
southeast 10 to 20 kt overnight. waves 1 to 2 ft. 
.thursday...southeast winds 10 to 20 kt becoming east. rain
likely with a chance of snow. waves 2 to 4 ft. 
.friday...east winds 15 to 25 kt becoming northeast. rain likely 
with snow. waves 3 to 5 ft. 

$$
fzus63 klot 181451
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-182230-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
851 am cst mon dec 18 2017

sheboygan wi to pentwater mi south...

.rest of today...southwest winds 10 to 20 kt increasing to 15 to 
25 kt. areas of drizzle and patchy fog through mid morning. waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft from late 
morning on. 
.tonight...southwest winds 20 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 7 to 10 ft 
occasionally to 13 ft.
.tuesday...west winds to 30 kt. waves 6 to 9 ft occasionally to 
12 ft. 
.tuesday night...northwest winds to 30 kt. waves 6 to 9 ft 
occasionally to 12 ft. 
.wednesday...north winds 15 to 25 kt diminishing to 10 to 15 kt
in the afternoon. waves 4 to 7 ft occasionally to 9 ft subsiding
to 2 to 4 ft. 
.wednesday night...east winds 10 to 15 kt becoming southeast
10 to 20 kt. waves 1 to 3 ft. 
.thursday...southeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of rain. waves 3 to 5 ft. 
.friday...south winds 15 to 25 kt becoming southwest. rain
likely. waves 3 to 6 ft occasionally to 8 ft. 

$$
fzus63 kmqt 181458
glfls 

lsz265-182300-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
958 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 10 to 20 knots increasing to
15 to 25 knots. patchy fog late in the morning. a slight chance
of rain showers in the afternoon. waves 1 to 3 feet building to
3 to 5 feet occasionally to 7 feet. 
.tonight...southwest winds 20 to 30 knots becoming west gales to
35 knots after midnight. a chance of rain showers. a chance of 
snow showers after midnight. waves building to 5 to 8 feet 
occasionally to 10 feet. 
.tuesday...west gales to 45 knots. a chance of rain showers in
the morning. a chance of snow showers. waves building to 8 to
11 feet occasionally to 14 feet. 
.tuesday night...northwest gales to 45 knots diminishing to 20 to
30 knots after midnight. snow showers likely. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to calm to 2 feet. 
.wednesday night...north winds 10 to 20 knots veering southeast
after midnight. a chance of snow showers in the evening, then
snow showers after midnight. waves calm to 2 feet. 
.thursday...east winds 10 to 20 knots increasing to 15 to
25 knots. snow showers likely. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...east winds 20 to 30 knots backing north. snow showers.
waves building to 4 to 7 feet occasionally to 9 feet. 

$$
fzus63 kmqt 181458
glfls 

lsz266-182300-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
958 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 15 to 25 knots increasing to
20 to 30 knots by mid afternoon. patchy fog. a slight chance of
rain showers in the afternoon. waves 3 to 5 feet occasionally to
7 feet building to 6 to 9 feet occasionally to 11 feet. 
.tonight...southwest winds 20 to 30 knots becoming west gales to
35 knots by midnight. rain showers likely in the evening. a 
chance of rain showers after midnight. a chance of snow showers. 
waves building to 8 to 11 feet occasionally to 14 feet. 
.tuesday...west gales to 45 knots. a chance of snow showers,
possibly mixed with rain in the morning, then snow showers likely
in the afternoon. waves building to 12 to 17 feet occasionally to
21 feet. 
.tuesday night...northwest gales to 45 knots. freezing spray.
snow showers likely. waves subsiding to 7 to 10 feet occasionally
to 13 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. freezing spray in the morning. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.wednesday night...north winds 5 to 15 knots becoming east 10 to
20 knots after midnight. a chance of snow showers in the evening,
then snow showers after midnight. waves subsiding to calm to
2 feet. 
.thursday...east winds 10 to 20 knots increasing to 15 to
25 knots. snow showers likely. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...east winds 20 to 30 knots backing northeast. snow
showers. waves building to 4 to 7 feet occasionally to 9 feet. 

$$
fzus63 kmqt 181458
glfls 

lsz267-182300-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
958 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 10 to 20 knots increasing to
20 to 30 knots by mid afternoon. patchy fog. waves 1 to 3 feet
building to 3 to 6 feet occasionally to 8 feet. 
.tonight...southwest winds 20 to 30 knots increasing to gales to
35 knots by midnight, then veering west late. rain showers,
possibly mixed with snow. waves building to 8 to 11 feet
occasionally to 14 feet. 
.tuesday...west gales to 40 knots becoming northwest gales to
45 knots. a chance of rain and snow showers in the morning, then
snow showers, possibly mixed with rain in the afternoon. waves
building to 12 to 17 feet occasionally to 21 feet. 
.tuesday night...northwest gales to 45 knots. snow showers. waves
subsiding to 7 to 10 feet occasionally to 13 feet. 
.wednesday...northwest winds 15 to 25 knots becoming north 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.wednesday night...north winds 10 to 20 knots veering east after
midnight. a chance of snow showers in the evening, then snow
showers likely after midnight. waves subsiding to calm to 2 feet.
.thursday...east winds 10 to 20 knots increasing to 15 to
25 knots. snow showers likely. waves building to 2 to 4 feet. 
.friday...east winds 20 to 30 knots backing northeast. snow
showers. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 

$$
fzus63 kmqt 181458
glfls 

lsz263-182300-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
958 am est mon dec 18 2017

...gale warning in effect from tuesday morning through tuesday
evening...

.rest of today...southwest winds 20 to 30 knots. a few gale force
gusts to 35 knots north in the afternoon. patchy fog late in the 
morning. a chance of rain showers, possibly mixed with snow in the
afternoon. waves 3 to 6 feet occasionally to 8 feet building to 7
to 10 feet occasionally to 13 feet. 
.tonight...southwest winds 20 to 30 knots veering west by 
midnight. a few gale force gusts to 35 knots in the evening. rain 
showers likely in the evening. a chance of snow showers. a slight 
chance of rain showers after midnight. waves subsiding to 6 to 9 
feet occasionally to 11 feet, then building to 7 to 10 feet 
occasionally to 13 feet. 
.tuesday...west winds 20 to 30 knots increasing to gales to
40 knots. a chance of rain showers in the morning. a chance of
snow showers. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 9 to 12 feet occasionally to 15 feet. 
.tuesday night...northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. freezing spray in the evening. a chance
of snow showers. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.wednesday...northwest winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots. a chance of snow
showers in the evening, then snow showers likely after midnight.
waves calm to 2 feet. 
.thursday...east winds 10 to 20 knots. a chance of snow showers.
waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...east winds 15 to 25 knots backing north. snow showers
likely, then a chance of snow showers. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 

$$
fzus63 kmqt 181458
glfls 
432 

open lake forecast for lake superior
national weather service marquette mi
958 am est mon dec 18 2017

for waters beyond 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.

.synopsis...late today into tuesday, a 29.5 inch trough will move
through the upper great lakes. a high of 30.2 inches over the 
central plains will follow on wednesday before a strengthening low
pressure of 29.5 inches tracks out of the rockies and into the 
plains on thursday. the 29.5 low is expected to track northeast 
across the lower peninsula through friday and then cross lake 
huron on friday night.

lsz162-182300-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
958 am est mon dec 18 2017 /858 am cst mon dec 18 2017/

...gale warning in effect from tuesday morning through tuesday
evening...

.rest of today...southwest winds 15 to 25 knots increasing to
20 to 30 knots. patchy fog late in the morning. a chance of rain
and snow showers in the afternoon. waves 3 to 6 feet occasionally
to 8 feet building to 5 to 8 feet occasionally to 10 feet. 
.tonight...southwest winds 20 to 30 knots veering west by
midnight. a chance of rain showers, possibly mixed with snow.
waves subsiding to 3 to 6 feet occasionally to 8 feet, then
building to 4 to 7 feet occasionally to 9 feet. 
.tuesday...west winds 20 to 30 knots increasing to gales to
35 knots. a slight chance of snow showers in the afternoon. waves
building to 6 to 9 feet occasionally to 11 feet. 
.tuesday night...northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. a slight chance of snow showers. waves
subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots veering northeast in
the afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots. snow showers likely.
waves calm to 2 feet. 
.thursday...east winds 10 to 20 knots. a chance of snow showers.
waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...east winds 10 to 20 knots backing north. snow showers
likely, then a chance of snow showers. waves 3 to 5 feet
occasionally to 7 feet. 

$$
fzus63 kmqt 181458
glfls 

lsz264-182300-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
958 am est mon dec 18 2017

...gale warning in effect from late tonight through late tuesday
night...

.rest of today...southwest winds 20 to 30 knots. a few gale force
gusts to 35 knots in the afternoon. patchy fog. a chance of rain 
showers in the afternoon. waves 3 to 6 feet occasionally to 8 feet
building to 7 to 10 feet occasionally to 13 feet. 
.tonight...southwest winds 20 to 30 knots veering west by 
midnight, then increasing to gales to 35 knots late. a few gale 
force gusts to 35 knots in the evening. rain showers likely in the
evening. a chance of snow showers. a chance of rain showers after
midnight. waves subsiding to 6 to 9 feet occasionally to 11 feet,
then building to 7 to 10 feet occasionally to 13 feet. 
.tuesday...west gales to 35 knots becoming northwest gales to
40 knots by mid afternoon. a chance of rain showers in the
morning. a chance of snow showers. waves building to 10 to
14 feet occasionally to 18 feet. 
.tuesday night...northwest gales to 40 knots diminishing to 20 to
30 knots after midnight. freezing spray. snow showers likely in
the evening. a chance of snow showers after midnight. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.wednesday...northwest winds 15 to 25 knots becoming north 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots veering east
after midnight. a chance of snow showers in the evening, then
snow showers likely after midnight. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots becoming east 10 to
20 knots. a chance of snow showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...east winds 15 to 25 knots becoming northeast 20 to
30 knots. snow showers likely. freezing spray. waves building to
4 to 7 feet occasionally to 9 feet. 

$$

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