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fzus61 kbuf 231144
glflo 
222 

glflo 

open lake forecast for lake ontario
national weather service buffalo ny
630 am est fri feb 23 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 maine will drift to the canadian maritimes 
today. a 30.1 inch low over iowa this morning will track 
northeastward to the upper lakes later today while pushing a warm 
front north across lake ontario. in the wake of this system, 30.5 
inch high pressure over the northern plains this evening will then 
briefly build across lake ontario late tonight and saturday, before 
a deep storm system tracks from the central plains to the upper 
great lakes saturday night and sunday.

loz062-231600-
lake ontario open waters from the niagara river to hamlin beach-
630 am est fri feb 23 2018

.today...east winds 15 to 20 knots becoming south 5 to 15 knots.
a chance of rain early, then rain from late morning on. patchy
fog this afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming west. a chance
of rain showers early. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming east. waves
2 feet or less. 
.saturday night...east winds 15 to 25 knots. a chance of rain in
the evening, then rain overnight. waves 1 to 3 feet building to
3 to 6 feet. 
.sunday...southeast winds 15 to 25 knots becoming southwest. rain
during the day. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming southeast and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to
2 feet or less. 

$$
fzus61 kbuf 231144
glflo 

loz063>065-231600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
630 am est fri feb 23 2018

.today...southeast winds 15 to 20 knots becoming south. rain from
late morning on. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...south winds 15 to 20 knots becoming west. rain early,
then a chance of rain showers late in the evening. waves 1 to
3 feet. 
.saturday...west winds 5 to 15 knots becoming northeast 10 knots
or less. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday night...east winds 10 to 15 knots increasing to 15 to
25 knots. rain with freezing rain likely overnight. waves 2 feet
or less building to 3 to 5 feet. 
.sunday...southeast winds 15 to 25 knots becoming southwest. rain
during the day. waves 3 to 5 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 2 feet or less. 

$$
fzus61 kcle 230822
glfle 
468 

open lake forecast for lake erie
national weather service cleveland oh
322 am est fri feb 23 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...
low pressure 30.00 inches will move east across the central lakes
to quebec by this evening. a cold front should sweep across the
lake this evening. 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>169-231515-
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-
322 am est fri feb 23 2018

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

waves omitted due to the lake being mostly ice covered.

$$
fzus63 kdtx 230851
glflh 
496 

open lake forecast for lake huron
national weather service detroit/pontiac mi
351 am est fri feb 23 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...low pressure, 30.00 inches, will track northeast across the northern 
great lakes today. high pressure, 30.30 inches, will build across 
the region from the west tonight and into saturday. strong low 
pressure, approaching 29.00 inches, will then track northeast across 
the northern great lakes sunday.

lhz361-232115-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
351 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

.today...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 likely in the morning. showers
likely in the late morning and early afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
early in the morning. waves 2 to 4 feet subsiding to 1 to 3 feet
early in the morning. 
.saturday...light and variable winds 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
30 knots with gusts to 40 knot gales. snow showers after
midnight. showers after midnight. waves 1 to 3 feet building to
5 to 7 feet in the late evening and overnight. waves occasionally
around 10 feet. 
.sunday...southeast winds 15 to 20 knots becoming southwest to
30 knots late in the morning...then decreasing to 20 to 25 knots
late in the afternoon becoming west 15 to 20 knots late in the
evening. gusts to 40 knot gales decreasing to 30 knots late in
the evening. showers until late afternoon. 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 2 to 4 feet. 
.tuesday...southwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then becoming light and variable
in the late evening and early morning. a chance of snow showers
until early morning. waves 1 to 3 feet. 


$$
fzus63 kdtx 230851
glflh 

lhz362-232115-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
351 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

.today...southeast winds 10 to 15 knots veering to the southwest
late in the afternoon. a chance of rain and snow showers early in
the morning...then rain and snow showers likely late in the
morning. a chance of showers early in the afternoon. waves 2 to
4 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 15 to
20 knots after midnight...then decreasing to 10 to 15 knots early
in the morning. waves 2 to 4 feet. 
.saturday...northwest winds 5 to 10 knots veering to the east
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 15 to 20 knots increasing to 20 to
25 knots with gusts to 35 knot gales in the late evening and
overnight. snow showers after midnight. showers after midnight.
waves 2 to 4 feet building to 6 to 9 feet. waves occasionally
around 12 feet. 
.sunday...southeast 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 until late
afternoon. waves 8 to 12 feet. waves occasionally around 15 feet.
.monday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then becoming light and
variable early in the evening becoming southwest 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 10 to 15 knots becoming southeast 5 to
10 knots early in the evening...then backing to the north in the
late evening and early morning. a chance of rain and snow showers
in the evening. snow showers and showers likely after midnight.
waves 2 to 4 feet. 


$$
fzus63 kdtx 230851
glflh 

lhz363-232115-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
351 am est fri feb 23 2018

...gale watch in effect from sunday morning through sunday
evening...

.today...south winds 10 to 15 knots. showers likely late in the
morning. a chance of showers early in the afternoon. waves 2 to
4 feet. 
.tonight...west winds 10 to 15 knots veering to the northwest
early in the morning. waves 2 to 4 feet. 
.saturday...north winds 5 to 10 knots veering to the east 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 15 to
20 knots with gusts to 30 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 snow showers and showers in 
the evening. showers after midnight. waves 2 to 4 feet building to
5 to 7 feet in the late evening and overnight. waves occasionally
around 10 feet. 
.sunday...south 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...southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then increasing to 10 to 15 knots
in the late evening and early morning. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the evening...then building to
3 to 5 feet in the late evening and early morning. 
.tuesday...southwest winds 10 to 15 knots becoming south 5 to
10 knots early in the evening...then backing to the east in the
late evening and early morning. a chance of showers in the
evening. a chance of snow showers late in the evening...then rain
and snow showers likely after midnight. waves 3 to 5 feet
subsiding to 1 to 3 feet until early morning. 


$$
fzus63 kdtx 230851
glflh 

lhz462>464-232115-
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-
351 am est fri feb 23 2018

...gale watch in effect from sunday morning through sunday
evening...

.today...south winds 10 to 15 knots. a chance of showers early in
the morning...then showers likely in the late morning and early
afternoon. waves 1 to 3 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. 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 with gusts to 30 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 rain and snow showers in the
evening. showers after midnight. waves 1 to 3 feet building to 4 
to 6 feet in the late evening and overnight. waves occasionally 
around 8 feet. 
.sunday...south winds 20 to 25 knots with gusts to 35 knot gales
veering to the southwest with gusts to 35 knot gales late in the
morning...then decreasing to 15 to 20 knots with gusts to
30 knots late in the afternoon decreasing to 10 to 15 knots late
in the evening. 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...southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then increasing to 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 becoming south 5 to
10 knots. a chance of rain and snow showers after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet until early morning. 

wave heights are for ice free areas.

$$
fzus63 kdtx 230849
glfsc 
728 

lake st clair forecast
national weather service detroit/pontiac mi
349 am est fri feb 23 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...low pressure, 30.00 inches, will track northeast across the northern 
great lakes today. high pressure, 30.30 inches, will build across 
the region from the west tonight and into saturday. strong low 
pressure, approaching 29.00 inches, will then track northeast across 
the northern great lakes sunday.

lcz460-232115-
lake st clair-
349 am est fri feb 23 2018

.today...southeast winds 5 to 10 knots veering to the southwest in
the afternoon. cloudy. a chance of light showers early in the
morning...then light showers likely late in the morning. a chance of
light showers early in the afternoon.
.tonight...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. mostly cloudy.
.saturday night...east winds 10 to 15 knots becoming southeast 15 to
20 knots after midnight...then diminishing to 10 to 15 knots early
in the morning. light showers.
.sunday...southwest winds 15 to 20 knots with gusts to 30 knots
diminishing to 10 to 15 knots in the evening. mostly cloudy becoming
mostly sunny in the late morning and early afternoon becoming clear.
a small craft advisory may be needed.
.monday...southwest winds 5 to 10 knots. clear.
.tuesday...south winds 5 to 10 knots. mostly clear.

waves omitted due to ice coverage.

$$
fzus63 klot 230848
glflm 
829 

open lake forecast for lake michigan
national weather service chicago/romeoville il
248 am cst fri feb 23 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 30.5 inches will build across the 
dakotas today and move to quebec saturday. low pressure of 29.7 
inches will develop over the southern plains tonight...deepen
rapidly...then 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.

lmz261-362-364-366-563-565-567-868-231630-
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-
248 am cst fri feb 23 2018

sheboygan wi to pentwater mi north...

...gale watch in effect from saturday evening through late sunday
night...

.today...south winds 15 to 25 kt veering to west. patchy fog this
morning. rain, light freezing rain, snow with a chance of light
sleet this morning. waves 4 to 6 ft occasionally to 8 ft. 
.tonight...west winds 15 to 25 kt becoming northwest 10 to
20 kt...then becoming north 10 to 15 kt late. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.saturday...northeast winds 10 to 20 kt becoming east 15 to
25 kt. waves 2 to 4 ft. 
.saturday night...east winds to 30 kt becoming south gales to
40 kt overnight. rain, chance of snow, light freezing rain and
light sleet in the evening...then rain overnight. waves 5 to 8 ft
occasionally to 10 ft. 
.sunday...southwest gales to 45 kt diminishing to gales to 40 kt.
chance of rain in the morning. waves 10 to 14 ft occasionally to
18 ft. 
.sunday night...southwest gales to 40 kt becoming west to 30 kt
overnight. waves 8 to 11 ft occasionally to 14 ft subsiding to
5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt diminishing to 10 to 15 kt
in the afternoon. waves 4 to 6 ft occasionally to 8 ft subsiding
to 2 to 4 ft.  

$$
fzus63 klot 230848
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-231630-
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-
248 am cst fri feb 23 2018

sheboygan wi to pentwater mi south...

...gale watch in effect from saturday evening through late sunday
night...

.today...south winds 10 to 20 kt veering to west. patchy fog this
morning. chance of rain this morning. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.tonight...west winds 10 to 20 kt veering to northeast. slight
chance of light freezing rain overnight. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.saturday...east winds 10 to 20 kt increasing to 15 to 25 kt.
chance of rain 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 veering to southwest
gales to 40 kt. rain in the evening...then rain likely overnight.
waves 6 to 9 ft occasionally to 12 ft. 
.sunday...west gales to 40 kt becoming southwest gales to 35 kt.
waves 8 to 12 ft occasionally to 16 ft. 
.sunday night...southwest gales to 35 kt becoming west to 30 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 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 230914
glfls 

lsz264-231715-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
414 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

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

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230914
glfls 

lsz265-231715-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
414 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

.early this morning...east winds 15 to 25 knots. patchy blowing
snow. snow.
.today...southeast winds 10 to 20 knots becoming west 5 to
15 knots by late morning, then increasing to 15 to 25 knots by
mid afternoon. patchy blowing snow in the morning. snow, possibly
mixed with freezing rain in the morning. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
by midnight. 
.saturday...south winds 5 to 15 knots becoming southeast 10 to
20 knots by mid afternoon. 
.saturday night...east winds 20 to 30 knots veering southeast
after midnight. a chance of snow in the evening, then snow,
possibly mixed with rain and freezing rain after midnight. 
.sunday...west gales to 40 knots. snow and drizzle likely in the
morning, then a chance of snow and drizzle 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 increasing to 15 to
25 knots. 
.tuesday...west winds 10 to 20 knots becoming east 5 to 15 knots.

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230914
glfls 

lsz266-231715-
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-
414 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

.early this morning...southeast winds 10 to 20 knots. snow. waves
1 to 3 feet. 
.today...southeast winds 10 to 20 knots becoming southwest 5 to
15 knots by late morning, then becoming west 15 to 25 knots by
mid afternoon. snow, possibly mixed with freezing rain in the
morning. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.tonight...west winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing south by late
morning, then becoming southeast 10 to 20 knots by mid afternoon.
waves calm to 2 feet. 
.saturday night...east winds 20 to 30 knots becoming southeast
gales to 40 knots after midnight. a slight chance of snow in the
evening, then snow, possibly mixed with rain after midnight.
waves building to 4 to 8 feet occasionally to 10 feet. 
.sunday...west gales to 40 knots. snow, possibly mixed with rain 
and drizzle likely in the morning, then a chance of snow and 
drizzle in the afternoon. waves subsiding to 2 to 4 feet, then 
building to 7 to 10 feet occasionally to 13 feet. 
.sunday night...west gales to 40 knots diminishing to 20 to
30 knots after midnight. a chance of snow. waves subsiding to
4 to 7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots backing southwest. waves
subsiding to 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots becoming northeast 5 to
15 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 230914
glfls 

lsz267-231715-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
414 am est fri feb 23 2018

...gale watch in effect from late saturday night through sunday
evening...

.early this morning...southeast winds 10 to 20 knots. snow. waves
1 to 3 feet. 
.today...southeast winds 10 to 20 knots veering southwest by late
morning, then becoming west 15 to 25 knots by mid afternoon.
snow, possibly mixed with freezing rain in the morning. waves
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northwest winds 15 to 25 knots becoming west 10 to
20 knots by midnight, then diminishing to 5 to 15 knots late. a
slight chance of freezing drizzle. waves subsiding to calm to
2 feet. 
.saturday...southwest winds 5 to 15 knots backing south by late
morning, then becoming southeast 10 to 20 knots by mid afternoon.
waves calm to 2 feet. 
.saturday night...east winds 20 to 30 knots becoming southeast
gales to 40 knots after midnight. snow after midnight. waves
building to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest gales to 40 knots becoming west in the 
afternoon. snow, possibly mixed with rain in the morning, then a 
chance of snow and drizzle in the afternoon. waves subsiding to 1 
to 3 feet, then building to 7 to 10 feet occasionally to 13 feet. 
.sunday night...west gales to 35 knots diminishing to 20 to
30 knots after midnight. a chance of snow. waves subsiding to
4 to 7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots backing southwest. waves
subsiding to 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots veering northeast. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 230914
glfls 
347 

open lake forecast for lake superior
national weather service marquette mi
414 am est fri feb 23 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 30.1 inch area of low pressure from the central
plains will lift northeast across lake superior today. 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 30.0 inch ridge will then build into the upper great lakes on 
monday as a 29.5 inch low moves across southern saskatchewan. by 
tuesday morning, a 29.8 inch low will move into western ontario as
a 30.3 inch high pressure moves over the eastern great lakes.

lsz162-231715-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
414 am est fri feb 23 2018 /314 am cst fri feb 23 2018/

...gale watch in effect from sunday morning through sunday
evening...

.early this morning...east winds 5 to 15 knots. snow.
.today...east winds 5 to 15 knots becoming west 10 to 20 knots by
late morning, then diminishing to 5 to 15 knots by mid afternoon.
a chance of snow in the morning. 
.tonight...west winds 5 to 15 knots. 
.saturday...southwest winds less than 10 knots backing south by
late morning, then becoming east 5 to 15 knots by mid afternoon. 
.saturday night...east winds 15 to 25 knots. snow.
.sunday...west winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. 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 increasing to 10 to
20 knots. 
.tuesday...west winds 5 to 15 knots becoming east less than
10 knots. 

note, waves omitted for mostly ice covered areas.

$$
fzus63 kmqt 230914
glfls 

lsz263-231715-
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-
414 am est fri feb 23 2018

...gale watch in effect from sunday morning through sunday
evening...

.early this morning...east winds 5 to 15 knots. snow.
.today...east winds 5 to 15 knots becoming west 10 to 20 knots.
snow in the morning. 
.tonight...west winds 5 to 15 knots. 
.saturday...southwest winds less than 10 knots backing south by
late morning, then becoming east 5 to 15 knots by mid 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 gales to 35 knots. 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 increasing to 15 to
25 knots. 
.tuesday...west winds 10 to 20 knots becoming east 5 to 15 knots.

note, waves omitted for mostly ice covered areas.

$$

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