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Forecast Tables 
fzus61 kbuf 170532
glflo
loz063>065-170900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
130 am edt thu apr 17 2014
.overnight...southeast winds 10 to 15 knots. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots. waves 2 feet or less.
.thursday night...southeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.friday...southeast winds 15 to 20 knots diminishing to 5 to 15
knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday night...south winds 5 to 15 knots becoming west. rain
showers likely. waves 2 feet or less.
.saturday...west winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots. rain showers likely during the
day. waves 2 to 4 feet subsiding to 1 to 3 feet.
.sunday...east winds 5 to 15 knots becoming south. a chance of
rain showers. waves 1 foot or less.
.monday...south winds 5 to 15 knots becoming southwest. a chance
of rain showers during the day. waves 2 feet or less.
$$
fzus61 kbuf 170532
glfsl
194
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
131 am edt thu apr 17 2014
slz022-024-170900-
st lawrence river from cape vincent to st regis
131 am edt thu apr 17 2014
.overnight...light and variable winds. mainly clear...then becoming
partly cloudy.
.thursday...east winds 10 knots or less becoming southeast. mostly
sunny.
.thursday night...southeast winds 5 to 10 knots becoming south.
partly cloudy.
.friday...south winds 5 to 10 knots. mostly sunny.
.friday night...south winds 5 to 10 knots becoming southwest.
rain showers likely.
.saturday...west winds 5 to 15 knots becoming northwest less than 10
knots. rain showers likely with a chance of snow showers during the
day.
.sunday...light and variable winds becoming south 5 to 10 knots.
a chance of rain showers.
.monday...southwest winds 10 knots or less becoming south. a chance
of rain showers during the day.
$$
fzus61 kbuf 170532
glflo
547
open lake forecast for lake ontario
national weather service buffalo ny
130 am edt thu apr 17 2014
for waters beyond five nautical miles of shore on lake ontario
.synopsis...a 30.5 inch high centered over new york state will slide
to the canadian maritimes through friday while a weak 30.1 inch low
crosses the upper great lakes. this low will drift from northeastern
ontario into quebec friday...eventually dragging a weak cold front
across the lake friday night. high pressure will then build across
the lake for the weekend.
loz062-170900-
lake ontario open waters from the niagara river to hamlin beach-
130 am edt thu apr 17 2014
.overnight...southeast winds 10 to 15 knots. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots becoming east 15 to 20
knots. waves 1 to 3 feet.
.thursday night...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 1 to 3 feet.
.friday...southeast winds 5 to 15 knots. rain showers likely in
the afternoon. waves 2 feet or less.
.friday night...southwest winds 10 knots or less becoming west 10 to
15 knots. rain showers likely. waves 1 foot or less building to 1 to
3 feet.
.saturday...west winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots. a chance of rain showers during
the day. waves 1 to 3 feet subsiding to 1 foot or less.
.sunday...east winds 10 knots or less becoming south. a chance of
rain showers sunday night. waves 1 foot or less.
.monday...southwest winds 10 knots or less becoming north. a
chance of showers during the day. waves 1 foot or less.
$$
fzus61 kcle 170726
glfle
lez061-167>169-171415-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from willowick to geneva-on-the-lake-
lake erie open waters from geneva-on-the-lake to conneaut-
lake erie open waters from conneaut oh to ripley ny-
326 am edt thu apr 17 2014
.today...southeast winds 10 to 20 knots diminishing to 10 to 15
knots. waves in ice free areas 2 to 4 feet subsiding to 1 to 3
feet.
.tonight...southeast winds 10 to 20 knots becoming south. waves
1 to 3 feet.
.friday...south winds 10 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. a chance of rain showers in the
afternoon. waves 1 to 3 feet subsiding to 1 foot or less.
.friday night...southwest winds 5 to 10 knots becoming north. a
chance of rain showers in the evening. waves 2 feet or less.
.saturday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less.
.sunday...southeast winds 10 knots or less becoming south. waves
2 feet or less.
.monday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers. waves 2 feet or less.
wave heights are for ice free areas.
$$
fzus61 kcle 170726
glfle
792
open lake forecast for lake erie
national weather service cleveland oh
326 am edt thu apr 17 2014
for waters beyond five nautical miles of shore on lake erie
.synopsis...high pressure 30.50 inches over new england will move
off the coast. a weakening low 29.90 inches over the upper midwest
will track across the great lakes thursday into quebec on friday.
the associated cold front will push across lake erie on friday.
high pressure 30.40 inches from manitoba will build southeast across
the great lakes on saturday. a weak cold front will slide across
lake erie sunday night.
lez162>166-171415-
lake erie open waters from maumee bay to reno beach-
lake erie open waters from reno beach to the islands-
lake erie open waters from the islands to vermilion-
lake erie open waters from vermilion to avon point-
lake erie open waters from avon point to willowick-
326 am edt thu apr 17 2014
.today...southeast winds 10 to 20 knots diminishing to 10 to 15
knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tonight...southeast winds 5 to 15 knots becoming south. waves
2 feet or less.
.friday...south winds 5 to 15 knots becoming southwest 10 knots
or less. a chance of rain showers. waves 1 to 3 feet subsiding to
1 foot or less.
.friday night...southwest winds 5 to 15 knots becoming north.
waves 2 feet or less.
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 2 feet.
.sunday...southeast winds 5 to 10 knots becoming south. a chance
of rain showers. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots becoming north. a chance
of showers. waves 1 foot or less.
$$
fzus63 kdtx 170747
glfsc
403
lake st clair forecast
national weather service detroit/pontiac mi
347 am edt thu apr 17 2014
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...weakening low pressure system of 30.00 inches over the
western great lakes tonight will disspate tonight as it tracks
northeast. the associated cold front will track through the region
friday morning...bringing a few showers. high pressure of 30.40
inches will then build in friday night into saturday.
lcz460-172030-
lake st clair-
347 am edt thu apr 17 2014
.today...southeast winds 10 to 15 knots. a slight chance of light
showers by mid afternoon. partly sunny. waves 1 to 3 feet.
.tonight...south winds 5 to 10 knots...veering to the southwest
late. cloudy with light showers likely. waves 2 feet or less.
.friday...light and variable winds. cloudy with light showers likely
through early afternoon...then partly sunny with a chance of light
showers by mid afternoon. waves 2 feet or less.
.friday night...north winds 5 to 10 knots. mostly clear. waves
2 feet or less.
.saturday...light and variable winds...becoming southeast 5 to
10 knots through midnight. mostly clear. waves 2 feet or less.
.sunday...south winds 5 to 10 knots. a chance of light showers.
partly cloudy. waves 2 feet or less.
.monday...east winds 5 to 10 knots. a chance of light showers.
partly cloudy. waves 2 feet or less.
$$
fzus63 kdtx 170746
glflh
739
open lake forecast for lake huron
national weather service detroit/pontiac mi
346 am edt thu apr 17 2014
for waters beyond five nautical miles of 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...weakening low pressure system of 30.00 inches over the
western great lakes tonight will disspate tonight as it tracks
northeast. the associated cold front will track through the region
friday morning...bringing a few rain showers. high pressure of 30.40
inches will then build in friday night into saturday.
lhz361-172030-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
346 am edt thu apr 17 2014
.today...southeast winds 15 to 20 knots. a chance of showers
after 5 pm. waves 3 to 5 feet.
.tonight...southeast winds 15 to 20 knots...becoming south 5 to
10 knots by midnight...then veering to the southwest after
midnight. a chance of rain and snow showers until 2 am. waves
3 to 5 feet.
.friday...northwest winds 10 to 15 knots. waves 2 to 4 feet.
.friday night...northwest winds 10 to 15 knots...becoming north
5 to 10 knots after midnight. waves 2 to 4 feet...subsiding to
1 to 3 feet late.
.saturday...north winds 5 to 10 knots...becoming east 15 to
20 knots. a chance of showers after 7 pm. waves 1 to 3 feet.
.sunday...south winds 10 to 15 knots...diminishing to 5 to
10 knots late. a chance of showers. waves 1 to 3 feet.
.monday...north winds 5 to 10 knots...backing to the south late.
waves 2 feet or less.
$$
fzus63 kdtx 170746
glflh
lhz362-363-172030-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
346 am edt thu apr 17 2014
.today...east winds 15 to 20 knots...becoming southeast 10 to
15 knots by late morning...then increasing to 15 to 20 knots
late. waves 3 to 5 feet.
.tonight...southeast winds 15 to 20 knots...becoming southwest
10 to 15 knots after midnight. a chance of snow showers until
2 am. a chance of showers. waves 4 to 6 feet. waves occasionally
around 8 feet.
.friday...northwest winds 5 to 10 knots. a chance of showers
until 2 pm. waves 3 to 5 feet.
.friday night...northwest winds 10 to 15 knots. waves 3 to
5 feet.
.saturday...north winds 5 to 10 knots...becoming southeast 10 to
15 knots. waves 2 to 4 feet...subsiding to 1 to 3 feet.
.sunday...south winds 15 to 20 knots...diminishing to 5 to
10 knots late. a chance of showers. waves 1 to 3 feet.
.monday...east winds 5 to 10 knots. a chance of showers until
5 pm. waves 2 feet or less.
$$
fzus63 kdtx 170746
glflh
lhz462>464-172030-
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-
346 am edt thu apr 17 2014
.today...southeast winds 15 to 20 knots...diminishing to 10 to
15 knots by late morning. waves 2 to 4 feet.
.tonight...south winds 15 to 20 knots...becoming southwest 5 to
10 knots overnight. a chance of showers until 2 am...then showers
likely. waves 3 to 5 feet.
.friday...west winds 5 to 10 knots...veering to the north late. a
chance of showers. waves 2 to 4 feet...subsiding to 2 feet or
less by afternoon.
.friday night...north winds 5 to 10 knots. waves 2 feet or less...
building to 2 to 4 feet after midnight.
.saturday...north winds 5 to 10 knots...veering to the northeast.
waves 2 to 4 feet...subsiding to 2 feet or less.
.sunday...south winds 10 to 15 knots. a chance of showers after
6 pm. waves 1 to 3 feet.
.monday...east winds 5 to 10 knots...veering to the south late. a
chance of showers. waves 2 feet or less.
$$
fzus63 klot 170740
glflm
925
open lake forecast for lake michigan
national weather service chicago/romeoville il
240 am cdt thu apr 17 2014
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 height of the highest 1/3 of the waves...along
with the average height of the highest 10 percent of the waves
which will occasionally be encountered.
.synopsis...low pressure of 29.8 inches lies over far northeastern
iowa early this morning and will lift to lake superior this
evening filling to 30.2 inches. high pressure of 30.4 inches will
build into the upper midwest friday and move east across lake
michigan friday night. low pressure of 29.9 inches will move from
the central plains sunday to the upper ohio valley by early
tuesday. high pressure of 30.1 inches will build across lake
michigan tuesday night.
lmz261-362-364-366-563-565-171600-
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-
240 am cdt thu apr 17 2014
two rivers wi to manistee mi north
.today...southeast winds 15 to 25 kt becoming south 10 to 20 kt.
snow likely this morning...then chance of rain or snow this
afternoon. waves 6 to 9 ft occasionally to 11 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.tonight...southwest winds 10 to 15 kt veering to northwest.
waves 3 to 5 ft occasionally to 7 ft subsiding to 1 to 3 ft
overnight.
.friday...northwest winds around 10 kt. waves 1 to 3 ft.
.friday night...north winds around 10 kt becoming northeast. waves 1
to 3 ft.
.saturday...southeast winds 10 to 20 kt. chance of snow or slight
chance of rain in the afternoon. waves 1 to 3 ft.
.saturday night...south winds increasing to 30 kt. rain or snow
likely. waves building to 6 to 9 ft occasionally to 11 ft.
.sunday...southwest winds 15 to 25 kt. rain likely. waves 6 to
9 ft occasionally to 11 ft.
.monday...northeast winds 10 to 15 kt. slight chance of showers.
waves 1 to 3 ft.
wave forecast is for ice free areas
$$
fzus63 klot 170740
glflm
lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-171600-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from two rivers to sheboygan wi 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 pentwater to manistee mi 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-
240 am cdt thu apr 17 2014
two rivers wi to manistee mi south
.today...southeast winds to 30 kt becoming south 15 to 25 kt
early this afternoon...then southwest 10 to 20 kt late. waves
6 to 9 ft occasionally to 11 ft subsiding to 3 to 5 ft
occasionally to 7 ft.
.tonight...west winds around 10 kt becoming north. slight chance of
rain. waves subsiding to 1 to 3 ft.
.friday...north winds 10 to 15 kt. waves 1 to 3 ft.
.friday night...northeast winds 10 to 15 kt becoming east. waves
1 to 3 ft.
.saturday...southeast winds 10 to 20 kt. waves 1 to 3 ft.
.saturday night...south winds 15 to 25 kt. chance of rain. waves
building to 5 to 8 ft occasionally to 10 ft.
.sunday...south winds 10 to 20 kt. chance of rain. waves 4 to
7 ft occasionally to 9 ft.
.monday...northeast winds around 10 kt. chance of showers. waves
1 to 3 ft.
$$
fzus63 kmqt 170205
glfls
747
open lake forecast for lake superior
national weather service marquette mi
1005 pm edt wed apr 16 2014
for waters beyond five nautical miles of shore on lake superior
.synopsis...low pressure of 29.9 inches over central iowa this
evening will make its way into central wisconsin overnight. the low
will move across upper michigan thursday and reach ontario friday
morning...weakening to 30.2 inches. meanwhile...high pressure of 30.4
inches will move from the lower great lakes into the new england
states...strengthening to 30.8 inches. friday afternoon another high
pressure system of 30.4 inches over manitoba will move eastward into
james bay...expanding a 30.3 inch ridge over the great lakes through
saturday night. low pressure of 29.9 inches over manitoba on sunday
will cross into quebec by monday...and a low pressure trough
averaging 30.0 inches will drop across the great lakes.
lsz162-171015-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1005 pm edt wed apr 16 2014 /905 pm cdt wed apr 16 2014/
...gale warning in effect until 6 am edt /5 am cdt/ thursday...
.rest of tonight...east winds 20 to 30 knots. frequent gale force
gusts to 35 knots. snow. waves 5 to 9 feet.
.thursday...northeast winds 15 to 25 knots diminishing to 5 to
15 knots by mid afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet.
.thursday night...northwest winds 5 to 15 knots. waves subsiding
to calm to 2 feet.
.friday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves building to 1 to 3 feet...then subsiding to calm
to 2 feet.
.friday night...southeast winds 5 to 15 knots backing east after
midnight. waves calm to 2 feet.
.saturday...east winds 10 to 20 knots. snow likely. waves
building to 1 to 3 feet...then subsiding to calm to 2 feet.
.saturday night...east winds 10 to 20 knots becoming northeast
less than 10 knots after midnight. a chance of rain. waves calm
to 2 feet.
.sunday...west winds 5 to 15 knots. waves calm to 2 feet.
.monday...southwest winds 5 to 15 knots becoming west 10 to
20 knots. waves calm to 2 feet.
note...wave height forecasts are for ice free areas.
$$
fzus63 kmqt 170205
glfls
lsz265-171015-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1005 pm edt wed apr 16 2014
.rest of tonight...east winds 20 to 30 knots. snow.
.thursday...southeast winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. snow showers likely.
.thursday night...west winds 5 to 15 knots becoming northwest
10 to 20 knots after midnight. a slight chance of freezing
drizzle and snow showers through midnight.
.friday...northwest winds 10 to 20 knots.
.friday night...northwest winds 5 to 15 knots veering northeast
after midnight.
.saturday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. a chance of snow.
.saturday night...southeast winds 10 to 20 knots veering south
after midnight. snow likely through midnight...then rain likely
after midnight.
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
.monday...southwest winds 5 to 15 knots becoming west 10 to
20 knots.
note...waves omitted for mostly ice covered areas.
$$
fzus63 kmqt 170205
glfls
lsz263-264-171015-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1005 pm edt wed apr 16 2014
.rest of tonight...east winds 20 to 30 knots. a few gale force gusts
to 35 knots are possible. snow. waves 2 to 4 feet building to 4 to 7
feet...then subsiding to 3 to 6 feet.
.thursday...east winds 15 to 25 knots diminishing to 5 to
15 knots by mid afternoon. snow showers likely through early
afternoon...then a chance of snow showers by mid afternoon. waves
subsiding to 2 to 4 feet.
.thursday night...northwest winds 5 to 15 knots. a slight chance
of freezing drizzle and snow showers through midnight. waves
subsiding to calm to 2 feet...then building to 1 to 3 feet.
.friday...north winds 5 to 15 knots backing northwest by mid
afternoon. a slight chance of snow showers through early
afternoon. waves building to 2 to 4 feet...then subsiding to 1 to
3 feet.
.friday night...north winds 5 to 15 knots veering east after
midnight. waves subsiding to calm to 2 feet.
.saturday...east winds 10 to 20 knots. a chance of snow through
early afternoon...then snow likely by mid afternoon. waves calm
to 2 feet.
.saturday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. snow likely through midnight. a
chance of rain. waves building to 1 to 3 feet.
.sunday...southwest winds 5 to 15 knots veering west. waves
subsiding to calm to 2 feet.
.monday...southwest winds 5 to 15 knots becoming west 10 to
20 knots. waves calm to 2 feet.
note...wave height forecasts are for ice free areas.
$$
fzus63 kmqt 170205
glfls
lsz266-267-171015-
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-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1005 pm edt wed apr 16 2014
.rest of tonight...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. snow.
.thursday...southeast winds 20 to 30 knots diminishing to 10 to
20 knots by mid afternoon. a chance of snow showers. a slight
chance of rain showers by mid afternoon.
.thursday night...south winds 5 to 15 knots veering west after
midnight. a slight chance of drizzle and snow showers through
midnight.
.friday...northwest winds 10 to 20 knots. a slight chance of snow
showers through early afternoon.
.friday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight.
.saturday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. a chance of snow.
.saturday night...southeast winds 10 to 20 knots. snow likely
through midnight...then rain likely after midnight.
.sunday...south winds 10 to 20 knots becoming west 5 to 15 knots.
.monday...south winds 5 to 15 knots becoming west 10 to 20 knots.
note...waves omitted for mostly ice covered areas.
$$

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