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fzus61 kcle 211458
glfle 
905 

open lake forecast for lake erie
national weather service cleveland oh
958 am est tue feb 21 2017

for waters beyond five nautical miles of shore on lake erie

.synopsis...a weak cold front will cross western lake erie late
this afternoon and eastern lake erie this evening. high pressure 
30.10 inches will slide across the ohio valley on wednesday. 
another weak cold front will push southeast across lake erie 
thursday then lift back north across the lake as a warm front on 
friday. deep low pressure 29.30 inches will move northeast across 
the northern lakes friday night pulling a strong cold front across
lake erie.

lez162>165-212115-
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-
958 am est tue feb 21 2017

.this afternoon...south winds 10 knots or less becoming southwest.
a chance of showers. waves 1 foot or less. 
.tonight...southwest winds less than 10 knots becoming south. a
chance of showers through early evening. areas of fog.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less becoming southwest.
patchy dense fog in the morning. waves 1 foot or less. 
.wednesday night...south winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...southwest winds 10 knots or less becoming northeast.
a chance of rain showers. waves 2 feet or less. 
.friday...southeast winds 10 to 20 knots becoming southwest. a
chance of thunderstorms. showers likely. thunderstorms likely.
waves 1 to 3 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of rain showers. waves 3 to 5 feet building to
4 to 6 feet. 

$$
fzus63 kdtx 211445
glfsc 
448 

lake st clair forecast
national weather service detroit/pontiac mi
945 am est tue feb 21 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...low pressure...29.30 inches...over northern ontario will 
deepen to 29.10 inches as it lifts into hudson bay by this evening. 
this low will drag a weakening surface front...29.90 inches...across 
lake huron this afternoon and into lake erie this evening. a weak 
low pressure system is then forecast to track from northern 
minnesota late tonight into northern lake superior on wednesday. 
deepening low pressure is then forecast to lift into the region from 
the southwest on friday.

lcz460-212115-
lake st clair-
945 am est tue feb 21 2017

.rest of today...southwest winds 5 to 10 knots. mostly cloudy with a
chance of light showers. waves 2 feet or less. 
.tonight...south winds 5 to 10 knots early in the evening...becoming
light and variable, then...becoming south 5 to 10 knots after
midnight. mostly cloudy. a chance of light showers until early
morning. a chance of drizzle with areas of fog after midnight. waves
nearly calm. 
.wednesday...south winds 5 to 10 knots. mostly cloudy in the morning
then clearing. a chance of drizzle early in the morning. areas of
fog in the morning. waves 2 feet or less. 
.wednesday night...southwest winds 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.thursday...west winds 5 to 10 knots...veering to the northeast in
the evening. partly sunny...becoming mostly cloudy. a chance of
light rain and thunderstorms in the evening. waves 2 feet or less. 
.friday...southwest winds 10 to 15 knots. rain with thunderstorms
likely. waves 2 feet or less. 
.saturday...northwest winds 15 to 20 knots. mostly cloudy with rain,
possible snow and thunderstorms likely. waves 1 to 3 feet. 

$$
fzus63 kdtx 211444
glflh 

lhz462>464-212115-
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-
944 am est tue feb 21 2017

.rest of today...south winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. showers likely in the late morning and
early afternoon, then a chance of showers late in the afternoon.
waves 2 feet or less. 
.tonight...light and variable winds becoming south 5 to 10 knots
after midnight. a chance of showers early in the evening. a
chance of drizzle with areas of fog after midnight. waves 2 feet
or less. 
.wednesday...south winds 10 to 15 knots. a chance of drizzle
early in the morning. areas of fog. waves 2 feet or less. 
.wednesday night...south winds 10 to 15 knots. areas of fog in
the evening. widespread fog after midnight. waves 2 feet or less.
.thursday...west winds 5 to 10 knots becoming northeast 10 to
15 knots late in the evening. widespread fog early in the
morning. a chance of rain and snow late in the afternoon. a
chance of thunderstorms late in the afternoon. rain with snow
likely late in the evening. waves 1 to 3 feet building to 3 to
5 feet late in the evening. 
.friday...east winds 10 to 15 knots becoming southeast 15 to
20 knots. a chance of thunderstorms early in the morning. rain.
thunderstorms likely in the afternoon and evening. waves 4 to
6 feet. waves occasionally around 8 feet. 
.saturday...south winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and early afternoon, then becoming
northwest 20 to 25 knots with gusts up to 35 knots until early
morning. rain and snow likely until afternoon, then a chance of
snow and rain early in the evening. waves 1 to 3 feet building to
8 to 12 feet. waves occasionally around 15 feet. 


$$
fzus63 klot 211437
glflm 
746 

open lake forecast for lake michigan
national weather service chicago/romeoville il
837 am cst tue feb 21 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...high pressure of 30.4 inches over new england will 
move offshore while low pressure of 29.2 inches over ontario will
move to hudson bay tonight. a weak high pressure ridge averaging 
29.9 inches will build over the southern mississippi valley this 
afternoon. low pressure of 29.6 inches will move over the 
northern plains wednesday and deepen to around 29.5 inches as it 
passes over the western great lakes wednesday evening. strong low
pressure around 29.3 inches will move northeast over the lower 
great lakes friday night into early saturday.

lmz261-362-364-366-563-565-567-868-212230-
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-
837 am cst tue feb 21 2017

sheboygan wi to pentwater mi north...

.rest of today...west winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft this afternoon. 
.tonight...south winds 10 to 20 kt increasing to 15 to 25 
kt...and then becoming southwest. waves 1 to 3 ft building to 2 to
4 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 1 to 3 ft. 
.wednesday night...southwest winds 15 to 25 kt becoming northwest
10 to 20 kt. waves 1 to 3 ft. 
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...northeast winds to 30 kt. a few gale force gusts
to 35 kt are possible. chance of rain and snow. waves 3 to 5 ft 
occasionally to 7 ft building to 4 to 7 ft occasionally to 9 ft. 
.friday...northeast winds to 30 kt. rain, snow and freezing rain.
waves 6 to 9 ft occasionally to 11 ft. 
.saturday...north gales to 40 kt becoming northwest gales to
35 kt. snow likely. waves 7 to 10 ft occasionally to 13 ft.  

$$
fzus63 klot 211437
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-212230-
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-
837 am cst tue feb 21 2017

sheboygan wi to pentwater mi south...

.rest of today...west winds 10 to 20 kt backing to south before 
becoming variable less than 10 kt through the afternoon. slight 
chance of rain showers through mid morning. waves 1 to 3 ft.
.tonight...south winds 10 to 20 kt becoming southwest. waves 1 to
3 ft.
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 1 to 2 ft building to 1 to 3 ft. 
.wednesday night...southwest winds 15 to 25 kt becoming west
10 to 20 kt. waves 1 to 3 ft. 
.thursday...north winds 10 to 20 kt. chance of rain showers in
the afternoon. waves 1 to 3 ft building to 2 to 4 ft. 
.thursday night...northeast winds to 30 kt becoming east. rain
and rain showers. waves 4 to 6 ft occasionally to 8 ft. 
.friday...southeast winds 15 to 25 kt becoming northwest. rain 
showers, chance of thunderstorms and rain. waves 4 to 6 ft 
occasionally to 8 ft. 
.saturday...northwest gales to 40 kt diminishing to gales to
35 kt. snow likely. waves 8 to 12 ft occasionally to 15 ft.  

$$

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