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fzus61 kbuf 230255
glflo 

loz063>065-231015-
lake ontario open waters from hamlin beach to the saint lawrence
river-
955 pm est thu feb 22 2018

.overnight...east winds 10 to 15 knots becoming southeast
15 to 20 knots. waves 1 to 3 feet. 
.friday...southeast winds 15 to 25 knots becoming south. a chance
of rain and freezing rain late in the morning. rain in the
afternoon. waves 2 to 4 feet building to 3 to 5 feet. 
.friday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. rain showers likely in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet. 
.saturday night...east winds increasing to 15 to 25 knots 
overnight. rain with a chance of freezing rain overnight. waves 
building to 3 to 5 feet. 
.sunday...southeast winds to 30 knots becoming west. rain. waves 
building to 5 to 8 feet. waves occasionally around 10 feet. 
.monday...west winds 15 to 25 knots. waves 3 to 6 feet. 
.tuesday...southwest winds 15 to 20 knots. waves 2 to 4 feet. 

$$
fzus61 kbuf 230255
glflo 
478 

open lake forecast for lake ontario
national weather service buffalo ny
955 pm est thu feb 22 2018

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 30.8 inch high over the saint lawrence valley will drift to the
canadian maritimes overnight. a broad 29.9 inch low tracking 
northeastward across the central and upper lakes will then push a 
warm front across the lake on friday. in the wake of this system, 
high pressure over the northern plains friday evening will then 
briefly build across lake ontario late friday night and saturday, 
before a deep storm system tracks from the central plains to the 
upper great lakes saturday night and sunday.

loz062-231015-
lake ontario open waters from the niagara river to hamlin beach-
955 pm est thu feb 22 2018

.overnight...east winds 15 to 20 knots. waves 2 to 4 feet. 
.friday...east winds 15 to 20 knots becoming southwest 5 to
15 knots. rain from late morning on. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.friday night...southwest winds 10 to 15 knots becoming west. a
chance of rain showers in the evening. waves 1 to 3 feet. 
.saturday...west winds 10 to 15 knots becoming east less than
10 knots. waves 2 feet or less. 
.saturday night...east winds increasing to 30 knots. rain 
overnight. waves building to 3 to 6 feet. 
.sunday...southwest gales to 35 knots. rain early. waves 4 to 7 
feet. waves occasionally around 9 feet. 
.monday...southwest winds 15 to 25 knots. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots. waves 2 to 4 feet. 

$$
fzus61 kcle 230222
glfle 
629 

open lake forecast for lake erie
national weather service cleveland oh
922 pm est thu feb 22 2018

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...
on friday weak low pressure 30.00 inches will move east from 
wisconsin across the central lakes to quebec by evening. a warm 
front will move north onto lake erie friday afternoon, followed 
quickly by a cold front. saturday high pressure 30.30 inches will 
again build across the lakes. saturday night and sunday deepening 
low pressure 29.00 inches will move from the central plains across
the western lakes forcing a cold front across lake erie early 
sunday. monday and tuesday high pressure 30.30 will cross the 
lower ohio valley and extend onto the lake.

lez061-162>169-230915-
lake erie open waters from ripley to buffalo ny-
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-
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-
922 pm est thu feb 22 2018

.overnight...northeast winds 15 to 20 knots becoming east
10 to 15 knots. a slight chance of rain late. the lake is mostly
ice covered.
.friday...southeast winds 10 to 15 knots becoming southwest. a
chance of rain early, then rain. a chance of rain late. 
.friday night...west winds 5 to 15 knots becoming northwest. 
.saturday...north winds 10 knots or less becoming northeast 10 to
15 knots. a chance of rain in the morning, then rain likely in
the afternoon. 
.saturday night...east winds 10 to 15 knots becoming southeast
15 to 20 knots. rain.
.sunday...southwest winds to 30 knots becoming west 15 to
25 knots. a chance of rain during the day. 
.monday...west winds 5 to 15 knots becoming southwest. 
.tuesday...southwest winds 5 to 10 knots becoming south. 

waves omitted due to the lake being mostly ice covered.

$$
fzus63 kdtx 230306
glfsc 
983 

lake st clair forecast
national weather service detroit/pontiac mi
951 pm est thu feb 22 2018

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...high pressure, 30.80 inches, will migrate from the 
northern great lakes eastward to new england tonight. low pressure 
of 30.00 inches will then track through the northern great lakes 
friday before another high pressure, 30.30 inches, builds back in 
from the west on saturday. yet another low pressure, around 29.00 
inches, will lift northeast into the great lakes on sunday.

lcz460-230900-
lake st clair-
951 pm est thu feb 22 2018

.rest of tonight...east winds 5 to 10 knots. cloudy. a chance of
light freezing drizzle after midnight.
.friday...southeast winds 5 to 10 knots veering to the southwest in
the afternoon. light showers in the morning...then a chance of light
showers early in the afternoon.
.friday night...northwest winds 5 to 10 knots. mostly cloudy until
early morning becoming partly cloudy.
.saturday...light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. cloudy. a chance of light showers in
the afternoon. a chance of light snow showers late in the afternoon.
.saturday night...southeast winds 10 to 15 knots. light showers.
.sunday...southwest winds 15 to 20 knots with gusts to 30 knots
becoming west 10 to 15 knots in the evening. partly sunny with light
showers early in the morning...then mostly sunny with a chance of
light showers in the late morning and early afternoon. clear in the
evening. a small craft advisory may be needed.
.monday...southwest winds 10 to 15 knots. clear.
.tuesday...southwest winds 5 to 10 knots. mostly clear.

waves omitted due to ice coverage.

$$
fzus63 kdtx 230305
glflh 

lhz462>464-230900-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
950 pm est thu feb 22 2018

.rest of tonight...east winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of freezing drizzle after
midnight. waves 1 to 3 feet. 
.friday...south winds 10 to 15 knots. showers until late
afternoon...then a chance of showers late in the afternoon. waves
1 to 3 feet. 
.friday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. a chance of showers early in the
evening. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.saturday night...east winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning...then becoming
southeast 20 to 25 knots with gusts to 30 knots after midnight. a
chance of showers early in the evening. a chance of snow showers
in the evening. showers in the late evening and overnight. waves
1 to 3 feet building to 5 to 7 feet. waves occasionally around
10 feet. 
.sunday...south winds 20 to 25 knots veering to the southwest
late in the morning...then decreasing to 15 to 20 knots late in
the afternoon. gusts to 35 knot gales. showers early in the
morning...then a chance of showers early in the morning. waves
5 to 7 feet. waves occasionally around 10 feet. 
.monday...west winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then becoming southwest 10 to 15 knots in
the late evening and early morning. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then veering to the southwest
5 to 10 knots in the late evening and early morning. a chance of
rain and snow showers until early morning. waves 2 to 4 feet
subsiding to 1 to 3 feet until early morning. 

wave heights are for ice free areas.

$$
fzus63 kdtx 230305
glflh 

lhz362-363-230900-
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-
950 pm est thu feb 22 2018

.rest of tonight...east winds 10 to 15 knots. a chance of
freezing drizzle after midnight. waves 1 to 3 feet building to
2 to 4 feet early in the morning. 
.friday...southeast winds 10 to 15 knots veering to the southwest
late in the afternoon. snow showers in the morning. showers until
late afternoon...then a chance of showers late in the afternoon.
waves 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots veering to the
west in the late evening and overnight. a chance of showers early
in the evening. waves 2 to 4 feet. 
.saturday...north winds 5 to 10 knots veering to the northeast
early in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.saturday night...east winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. a chance of snow showers
and showers in the evening. snow showers after midnight. showers
after midnight. waves 2 to 4 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.sunday...southeast winds 20 to 25 knots becoming southwest to
30 knots late in the morning...then decreasing to 20 to 25 knots
late in the afternoon decreasing to 15 to 20 knots late in the
evening. gusts to 40 knot gales decreasing to 30 knots late in
the evening. showers early in the morning...then a chance of
showers early in the morning. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.monday...west winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots in the late morning and early
afternoon...then becoming southwest 5 to 10 knots early in the
evening increasing to 10 to 15 knots in the late evening and
early morning. waves 4 to 6 feet subsiding to 2 to 4 feet until
early morning. waves occasionally around 8 feet. 
.tuesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 5 to 10 knots until early morning. a chance of rain and snow
showers until early morning. waves 2 to 4 feet. 


$$
fzus63 kdtx 230305
glflh 
517 

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 pm est thu feb 22 2018

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...high pressure, 30.80 inches, will migrate from the 
northern great lakes eastward to new england tonight. low pressure 
of 30.00 inches will then track through the northern great lakes 
friday before another high pressure, 30.30 inches, builds back in 
from the west on saturday. yet another low pressure, around 29.00 
inches, will lift northeast into the great lakes on sunday.

lhz361-230900-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
950 pm est thu feb 22 2018

.rest of tonight...east winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. waves 1 to 3 feet. 
.friday...southeast winds 10 to 15 knots becoming south 5 to
10 knots early in the afternoon...then veering to the west late
in the afternoon. snow showers in the morning. showers likely in
the late morning and early afternoon...then a chance of showers
late in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the afternoon. 
.friday night...west winds 10 to 15 knots. a chance of showers
early in the evening. waves 2 to 4 feet. 
.saturday...west winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.saturday night...east winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. a chance of snow showers in
the evening. showers and snow showers after midnight. waves 1 to
3 feet building to 6 to 9 feet. waves occasionally around
12 feet. 
.sunday...southeast winds 20 to 25 knots veering to the
southwest. gusts to 40 knot gales. showers until late afternoon.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday...west winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots early in the evening becoming southwest 10 to 15 knots
in the late evening and early morning. waves 2 to 4 feet. 
.tuesday...west winds 10 to 15 knots decreasing to 5 to 10 knots
until early morning. a chance of snow showers after midnight.
waves 1 to 3 feet. 


$$
fzus63 klot 230144
glflm 
023 

open lake forecast for lake michigan
national weather service chicago/romeoville il
744 pm cst thu feb 22 2018

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...high pressure of 30.8 inches over southern quebec 
will push to the east late tonight and friday morning. a low of 
30.1 inches will lift from the mid mississippi valley early friday
to the western great lakes friday afternoon. high pressure of 
30.5 inches will build across the dakotas friday and move to 
quebec saturday. low pressure of 29.5 inches will develop over the
central plains friday night and lift across lake superior sunday 
at 29.0 inches. a 30.2 inch high will build over the central 
plains monday and move to the upper ohio valley tuesday.

lmz261-362-364-366-563-565-567-868-231030-
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-
744 pm cst thu feb 22 2018

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 10 to 20 kt becoming southeast
15 to 25 kt. slight chance of snow this evening...then rain with
a wintry mix overnight. waves 2 to 4 ft building to 4 to 7 ft 
occasionally to 9 ft. 
.friday...south winds 15 to 25 kt veering to west. patchy fog in
the morning. a wintry mix in the morning...then slight chance of 
snow in the afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.friday night...west winds 15 to 25 kt becoming northwest 10 to
20 kt...then becoming north 10 to 15 kt late. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.saturday...east winds 10 to 15 kt increasing to 15 to 25 kt in
the afternoon. waves 1 to 2 ft building to 2 to 4 ft. 
.saturday night...east gales to 35 kt becoming southeast gales to
40 kt. rain, chance of snow and light sleet in the evening...then
rain overnight. waves 4 to 7 ft occasionally to 9 ft building to
6 to 9 ft occasionally to 12 ft. 
.sunday...southwest gales to 45 kt. chance of rain in the
morning. waves 8 to 12 ft occasionally to 16 ft. 
.sunday night...west gales to 40 kt diminishing to gales to
35 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to
9 ft occasionally to 12 ft. 
.monday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.tuesday...west winds 10 to 20 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft.  

$$
fzus63 klot 230144
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-231030-
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-
744 pm cst thu feb 22 2018

sheboygan wi to pentwater mi south...

.rest of tonight...east winds 15 to 25 kt becoming southeast.
slight chance of rain this evening...then chance of rain
overnight. patchy fog overnight. waves 3 to 5 ft building to 4 to
7 ft occasionally to 9 ft. 
.friday...south winds 15 to 25 kt veering to west 10 to 20 kt.
chance of rain in the morning. waves 4 to 6 ft occasionally to
8 ft subsiding to 3 to 5 ft. 
.friday night...west winds 10 to 20 kt veering to northeast 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.saturday...east winds 10 to 20 kt increasing to 30 kt in the
afternoon. chance of snow and light freezing rain in the
morning...then chance of rain in the afternoon. waves 2 to 4 ft
building to 3 to 5 ft. 
.saturday night...southeast gales to 35 kt becoming south gales
to 40 kt. rain in the evening...then rain likely overnight. waves
6 to 9 ft occasionally to 12 ft. 
.sunday...southwest gales to 45 kt diminishing to gales to 40 kt.
waves 8 to 11 ft occasionally to 14 ft. 
.sunday night...west winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft. 
.monday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south. waves 3 to
5 ft subsiding to 1 to 3 ft.  

$$
fzus63 kmqt 230233
glfls 

lsz267-231045-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
933 pm est thu feb 22 2018

.rest of tonight...southeast winds 10 to 20 knots increasing to
15 to 25 knots late. snow after midnight. waves calm to 2 feet
building to 1 to 3 feet. 
.friday...southeast winds 15 to 25 knots veering southwest by
late morning, then becoming west 20 to 30 knots by mid afternoon.
snow in the morning. a chance of freezing drizzle. flurries in
the afternoon. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.friday night...northwest winds 20 to 30 knots becoming west
15 to 25 knots by midnight, then diminishing to 5 to 15 knots
late. a slight chance of freezing rain and snow after midnight.
waves building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing southeast in
the afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. snow, possibly mixed with
freezing rain after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.sunday...southwest gales to 35 knots becoming west gales to
40 knots in the afternoon. snow, possibly mixed with rain and
freezing rain in the morning, then a chance of snow in the
afternoon. waves building to 6 to 9 feet occasionally to 11 feet.
.sunday night...west gales to 40 knots. snow likely. freezing
spray after midnight. waves subsiding to 4 to 7 feet occasionally
to 9 feet. 
.monday...west winds 15 to 25 knots becoming southwest 10 to
20 knots. a chance of snow. waves subsiding to calm to 2 feet. 
.tuesday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 230233
glfls 

lsz266-231045-
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-
933 pm est thu feb 22 2018

.rest of tonight...south winds 10 to 20 knots backing southeast
by midnight, then becoming east 15 to 25 knots late. a slight
chance of snow late in the evening, then snow after midnight.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday...southeast winds 15 to 25 knots veering west by late
morning, then becoming northwest 20 to 30 knots by mid afternoon.
snow and a slight chance of freezing drizzle in the morning, then
flurries in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to calm to 2 feet. 
.friday night...west winds 15 to 25 knots diminishing to 5 to
15 knots. a slight chance of snow after midnight. waves building
to 2 to 4 feet, then subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southeast in the
afternoon. waves calm to 2 feet. 
.saturday night...east winds 20 to 30 knots becoming southeast
gales to 35 knots after midnight. snow after midnight. waves
building to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest gales to 35 knots becoming west gales to
40 knots in the afternoon. snow, possibly mixed with rain in the
morning. a chance of snow in the afternoon. waves subsiding to
3 to 5 feet occasionally to 7 feet, then building to 5 to 8 feet
occasionally to 10 feet. 
.sunday night...west gales to 40 knots. snow likely in the
evening, then a chance of snow after midnight. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.monday...west winds 15 to 25 knots backing southwest. a chance
of snow. waves subsiding to calm to 2 feet. 
.tuesday...west winds 10 to 20 knots backing southwest. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 230233
glfls 

lsz265-231045-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
933 pm est thu feb 22 2018

.rest of tonight...southeast winds 5 to 15 knots becoming east
10 to 20 knots late. a chance of snow late in the evening, then
snow after midnight. 
.friday...southeast winds 10 to 20 knots veering west by late
morning, then becoming northwest 20 to 30 knots by mid afternoon.
snow and a chance of freezing drizzle in the morning, then
flurries in the afternoon. 
.friday night...west winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow in the evening. 
.saturday...southwest winds 5 to 15 knots backing east in the
afternoon. 
.saturday night...east winds 20 to 30 knots. a chance of snow in
the evening, then snow, possibly mixed with freezing rain after
midnight. 
.sunday...west winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. snow likely in the morning, then a
chance of snow in the afternoon. 
.sunday night...west gales to 35 knots diminishing to 20 to
30 knots after midnight. a chance of snow. 
.monday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. 
.tuesday...west winds 10 to 20 knots backing southwest. 

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230233
glfls 

lsz264-231045-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
933 pm est thu feb 22 2018

.rest of tonight...southeast winds 5 to 15 knots becoming east
10 to 20 knots late. a slight chance of snow late in the evening,
then snow after midnight. 
.friday...east winds 10 to 20 knots becoming north 5 to 15 knots
by late morning, then becoming northwest 15 to 25 knots by mid
afternoon. snow in the morning, then a slight chance of snow in
the afternoon. 
.friday night...west winds 10 to 20 knots diminishing to 5 to
15 knots late. 
.saturday...south winds 5 to 15 knots backing southeast in the
afternoon. 
.saturday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. snow after midnight. 
.sunday...west winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. snow in the morning, then a chance of
snow in the afternoon. 
.sunday night...west winds 20 to 30 knots. a chance of snow. 
.monday...southwest winds 10 to 20 knots veering west. a chance
of snow. 
.tuesday...west winds 10 to 20 knots diminishing to 5 to
15 knots. 

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230233
glfls 

lsz263-231045-
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-
933 pm est thu feb 22 2018

.rest of tonight...southeast winds 5 to 15 knots backing east by
midnight. a chance of snow late in the evening, then snow after
midnight. 
.friday...east winds 5 to 15 knots backing northwest by late
morning, then becoming west 10 to 20 knots by mid afternoon. snow
and a slight chance of freezing drizzle in the morning, then
flurries in the afternoon. 
.friday night...west winds 5 to 15 knots. a slight chance of snow
in the evening. 
.saturday...south winds less than 10 knots becoming east 5 to
15 knots in the afternoon. 
.saturday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. a chance of snow in the evening, then
snow after midnight. 
.sunday...west winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. snow likely in the morning, then a
chance of snow in the afternoon. 
.sunday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of snow. 
.monday...southwest winds 10 to 20 knots. 
.tuesday...west winds 5 to 15 knots. 

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230233
glfls 
785 

open lake forecast for lake superior
national weather service marquette mi
933 pm est thu feb 22 2018



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 30.7 inch ridge of high pressure extending across 
the upper great lakes from southern quebec will shift east 
overnight as a 30.1 inch area of low pressure lifts northeast 
across lake superior friday. a weak ridge of 30.3 inches will
cross lake superior on saturday. a 29.0 inch low will cross the 
great lakes  saturday night through sunday. a 30.3 inch ridge 
will then build into the upper great lakes on monday as a 29.6 
inch low moves across southern saskatchewan. by tuesday morning, a
29.8 inch low will move into western ontario as a 30.4 inch high
pressure moves over the eastern great lakes.

lsz162-231045-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
933 pm est thu feb 22 2018 /833 pm cst thu feb 22 2018/

.rest of tonight...east winds 5 to 15 knots. a chance of snow
late in the evening, then snow after midnight. 
.friday...east winds 5 to 15 knots backing northwest by late
morning, then backing west by mid afternoon. a chance of snow and
a slight chance of freezing drizzle in the morning. 
.friday night...west winds 5 to 15 knots. 
.saturday...southeast winds less than 10 knots becoming east 5 to
15 knots in the afternoon. 
.saturday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. snow.
.sunday...west winds 20 to 30 knots. a chance of snow. 
.sunday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of snow. 
.monday...southwest winds 5 to 15 knots. 
.tuesday...west winds 5 to 15 knots. 

note, waves omitted for mostly ice covered areas.

$$

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