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fzus61 kcle 201921
glfle 
516 

open lake forecast for lake erie
national weather service cleveland oh
321 pm edt sun apr 20 2014

for waters beyond five nautical miles of shore on lake erie

.synopsis...a ridge of high pressure 30.50 inches extending from
northern ontario canada to southern illinois will build southeast
towards the new england coast tonight. a wave of low pressure
29.70 inches is expected to develop along a stationary boundary
near central michigan monday afternoon. the low will track across
the northern great lakes monday into tuesday and pull a cold front
across lake erie tuesday morning. high pressure 30.20 inches will
spread in from the west midweek. a warm front will lift north
across the lake on thursday.

lez162>166-210230-
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-
321 pm edt sun apr 20 2014

.tonight...east winds 10 knots or less becoming south 5 to
15 knots. waves 1 foot or less. 
.monday...south winds 5 to 15 knots diminishing to 10 knots or
less. waves 1 foot or less. 
.monday night...south winds 10 knots or less becoming west 5 to
15 knots. a chance of showers and thunderstorms in the evening...
then showers likely overnight. waves 1 foot or less. 
.tuesday...northwest winds 10 to 20 knots. a chance of showers in
the morning. waves 1 to 3 feet. 
.tuesday night...north winds 10 to 20 knots becoming northwest. a
chance of rain showers. waves 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming east 10 knots or
less. waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday...east winds 10 knots or less becoming southeast 5 to
15 knots. showers likely with a chance of thunderstorms. waves
1 foot or less. 
.friday...south winds 10 knots or less becoming west. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 201934
glflh 

lhz462>464-210800-
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-
331 pm edt sun apr 20 2014

.tonight...south winds 10 to 15 knots...diminishing to 5 to
10 knots after midnight. waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots. a chance of showers after
5 pm. waves 2 feet or less. 
.monday night...south winds 5 to 10 knots...veering to the west
after midnight...then becoming northwest 15 to 20 knots late.
showers likely and a chance of thunderstorms. waves 1 to 3 feet...
building to 3 to 5 feet late. 
.tuesday...northwest winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.tuesday night...northwest winds 15 to 20 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...north winds 10 to 15 knots...becoming northeast 5 to
10 knots. waves 3 to 5 feet...subsiding to 1 to 3 feet. 
.thursday...southeast winds 5 to 10 knots...increasing to 15 to
20 knots late. a chance of showers after 6 pm. waves 1 to
3 feet...building to 3 to 5 feet late. 
.friday...south winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet. 


$$
fzus63 kdtx 201934
glfsc 
043 

lake st clair forecast
national weather service detroit/pontiac mi
331 pm edt sun apr 20 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...low pressure...29.90 inches...will develop over the 
upper midwest tonight and move across lower michigan monday 
evening...deepening to 29.70 inches. the low will continue to deepen 
as it advances into new england on tuesday. high pressure will build 
into the great lakes from the west on tuesday and will be centered 
over lake huron on wednesday. the high will exit to the east by the 
end of the week as a low pressure system moves in from the west.

lcz460-210800-
lake st clair-
331 pm edt sun apr 20 2014

.tonight...south winds 5 to 10 knots in the evening...becoming light
and variable overnight. mostly clear. waves 2 feet or less. 
.monday...light and variable winds...becoming southwest 5 to
10 knots by afternoon. partly sunny. waves 2 feet or less. 
.monday night...southwest winds 5 to 10 knots...becoming north 10 to
15 knots after midnight. mostly cloudy with light showers likely and
a chance of thunderstorms. waves 2 feet or less. 
.tuesday...northwest winds 10 to 15 knots...increasing to 15 to
20 knots by mid afternoon. partly sunny. waves 2 feet or less. 
.tuesday night...north winds 10 to 15 knots. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots...veering to the northeast
through midnight. mostly clear. waves 2 feet or less. 
.thursday...southeast winds 10 to 15 knots. a chance of light
showers. partly cloudy. waves 2 feet or less. 
.friday...west winds 10 to 15 knots. a chance of light showers.
partly cloudy. waves 1 to 3 feet. 

$$
fzus63 klot 201942
glflm 
720 

open lake forecast for lake michigan
national weather service chicago/romeoville il
242 pm cdt sun apr 20 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 29.7 inches near james bay...will
trail a cold front southwest across the upper midwest into the
central plains by this evening...with the front sagging across
northern lake michigan tonight. another area of low pressure of
29.9 inches will lift northeast along the cold front
monday...deepening to 29.7 inches over the central and eastern
lakes monday night and dragging the cold front southeast of lake
michigan. the low will continue to deepen as it moves to northern
new england tuesday...while high pressure ridging of 30.1 inches
builds across the upper midwest and eventually into the western
lakes tuesday night. another low around 29.3 inches is expected to
move eastward from the plains across the upper midwest and upper
great lakes region later this week.

lmz261-362-364-366-563-565-567-868-210415-
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-
242 pm cdt sun apr 20 2014

sheboygan wi to pentwater mi north

.tonight...south winds 10 to 20 kt easing to 10 to 15 kt early
this evening...then becoming east 5 to 10 kt late. showers likely.
waves 3 to 6 ft occasionally to 8 ft subsiding to 1 to 3 ft.
.monday...east winds 5 to 10 kt becoming variable in the
morning...then becoming northwest towards evening. showers
likely. waves 1 to 2 ft.
.monday night...northwest winds increasing to 15 to 25 kt. slight
chance of showers in the evening. waves building to 3 to 5 ft
occasionally to 7 ft.
.tuesday...north winds 15 to 25 kt. waves 3 to 5 ft occasionally
to 7 ft. 
.tuesday night...north winds 10 to 20 kt easing to 10 to 15 kt.
waves 2 to 4 ft.
.wednesday...north winds 5 to 10 kt becoming variable. waves 1 to
2 ft.
.wednesday night...southeast winds 10 to 20 kt. chance of
showers. waves 1 to 3 ft. 
.thursday...southeast winds to 30 kt. chance of showers. waves
4 to 7 ft occasionally to 9 ft.
.friday...southwest winds 15 to 25 kt becoming west. chance of
showers. waves 3 to 6 ft occasionally to 8 ft.

wave forecast is for ice free areas

$$
fzus63 klot 201942
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-210415-
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-
242 pm cdt sun apr 20 2014

sheboygan wi to pentwater mi south

.tonight...south winds 15 to 20 kt. a few gusts to 25 kt possible
through early evening. slight chance of showers. waves 3 to 5 ft
occasionally to 7 ft subsiding to 2 to 4 ft.
.monday...southwest winds 10 to 20 kt. chance of showers in
morning. showers likely with a chance of thunderstorms in the
afternoon. waves 1 to 3 ft.
.monday night...west winds 10 to 20 kt becoming north 15 to
25 kt. chance of showers in the evening. waves building to 3 to 6
ft occasionally to 8 ft.
.tuesday...north winds 15 to 25 kt. waves 4 to 6 ft occasionally
to 8 ft.
.tuesday night...north winds 10 to 20 kt. waves 3 to 5 ft
occasionally to 7 ft subsiding to 2 to 4 ft.
.wednesday...north winds 10 to 15 kt becoming northeast. waves 1
to 3 ft.
.wednesday night...east winds 10 to 15 kt becoming southeast
15 to 25 kt. chance of showers. waves building to 2 to 4 ft.
.thursday...southeast winds to 30 kt becoming southwest in the
evening. chance of showers and thunderstorms. waves 4 to 6 ft
occasionally to 8 ft.
.friday...southwest winds 20 to 25 kt. chance of showers. waves
subsiding to 3 to 5 ft occasionally to 7 ft.

wave forecast is for ice free areas

$$

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