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fzus61 kcle 240155
glfle 
512 

open lake forecast for lake erie
national weather service cleveland oh
955 pm edt mon apr 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 29.80 inches over the tennessee valley will move to 
the east coast by early wednesday. a cold front from the upper 
midwest will drop across lake erie early wednesday. high pressure
29.90 inches will build across the lower lakes on thursday 
followed by a cold front late friday. high pressure 30.10 inches 
will build over the region from the southwest on saturday.

lez162>165-240815-
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-
955 pm edt mon apr 23 2018

.overnight...south winds 5 to 10 knots becoming east. showers 
likely. waves 2 feet or less.
.tuesday...east winds 10 to 20 knots. showers likely. waves 2 
feet or less. 
.tuesday night...northeast winds 5 to 15 knots. showers likely in
the evening, then a chance of showers overnight. waves 2 feet or
less. 
.wednesday...north winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.wednesday night...north winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.friday...southwest winds 5 to 10 knots becoming northwest. a
chance of rain showers. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots. waves 2 feet or less. 

$$
fzus63 kdtx 240156
glflh 

lhz462>464-240800-
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-
954 pm edt mon apr 23 2018

.rest of tonight...northeast winds 5 to 10 knots veering to the
south after midnight. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.tuesday night...east winds 5 to 10 knots backing to the north
after midnight. a chance of showers. waves 2 feet or less. 
.wednesday...north winds 10 to 15 knots increasing to 20 to
25 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots early in the afternoon. a chance of
showers. waves 5 to 7 feet. waves occasionally around 10 feet. 
.wednesday night...north winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. a chance of
showers early in the evening. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday...northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then backing to the south late in
the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 5 to 10 knots veering to the north. a chance
of snow showers early in the morning. a chance of showers. waves
1 to 3 feet. 
.saturday...west winds 5 to 10 knots. waves 1 to 3 feet. 


$$
fzus63 kdtx 240156 rra
glfsc 
008 

lake st clair forecast
national weather service detroit/pontiac mi
955 pm edt mon apr 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...ridge of high pressure, 30.20 inches, extending over
the northern great lakes will begin to retreat eastward tonight
as a weak cold front approaches lake superior from the north.
rain showers will spread over the region ahead of the front
before it moves through lake huron and lower michigan tuesday
night and early wednesday. the front will be followed briefly by
high pressure, 29.90 inches, thursday before the next cold front
arrives friday.

lcz460-240800-
lake st clair-
955 pm edt mon apr 23 2018

.rest of tonight...southeast winds 10 to 15 knots this evening
becoming light and variable. mostly cloudy with a chance of light
showers. waves 2 feet or less.
.tuesday...east winds 5 to 10 knots. cloudy with light showers
likely. waves 2 feet or less.
.tuesday night...northeast winds 5 to 10 knots. cloudy with light
showers likely. waves 2 feet or less.
.wednesday...north winds 10 to 15 knots. cloudy until late afternoon
becoming partly sunny. light showers likely early in the
morning...then a chance of light showers in the late morning and
afternoon. waves 2 feet or less.
.wednesday night...north winds 10 to 15 knots becoming northwest 5
to 10 knots after midnight. mostly clear. a chance of light showers
early in the evening. waves 2 feet or less.
.thursday...west winds 5 to 10 knots. mostly sunny becoming sunny
late in the afternoon becoming mostly clear. waves 2 feet or less.
.friday...north winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.saturday...north winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$
fzus63 klot 240155
glflm 
973 

open lake forecast for lake michigan
national weather service chicago/romeoville il
855 pm cdt mon apr 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...low pressure of 29.9 inches over western tennessee 
will meander over the area through tuesday then shift to the mid 
atlantic coast by early wednesday. a cold front will move across 
lake michigan tuesday evening. high pressure of 30.4 inches will 
build across the central plains tuesday night with a ridge axis
extending into the western great lakes, which will shift to the 
ohio valley thursday. low pressure of 29.5 inches will move from 
hudson bay wednesday night to northern quebec thursday night as a 
trailing cold front pushes across lake michigan.

lmz261-362-364-366-563-565-567-868-240915-
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-
855 pm cdt mon apr 23 2018

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 10 to 20 kt becoming northeast
10 to 15 kt. waves 2 to 4 ft. 
.tuesday...east winds 5 to 10 kt becoming northeast late in the
morning, then becoming north 10 to 15 kt early in the afternoon
increasing to 15 to 25 kt late. slight chance of rain showers in
the afternoon. waves 1 to 3 ft. 
.tuesday night...north winds to 30 kt. chance of rain showers in
the evening, then chance of rain and snow showers overnight.
waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.wednesday...north winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.wednesday night...north winds 10 to 15 kt backing to west. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. waves 1 to 3 ft building
to 2 to 4 ft. 
.thursday night...west winds 15 to 25 kt veering to north. chance
of rain and snow showers. waves 3 to 5 ft. 
.friday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft. 
.saturday...northwest winds 10 to 20 kt becoming north 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft.  

$$
fzus63 klot 240155
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-240915-
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-
855 pm cdt mon apr 23 2018

sheboygan wi to pentwater mi south...

.rest of tonight...northeast winds 10 to 20 kt becoming southeast
10 to 15 kt. chance of rain showers this evening, then slight
chance of rain showers overnight. waves 2 to 4 ft. 
.tuesday...northeast winds 5 to 10 kt increasing to 10 to 15 kt
late in the morning, then becoming north early in the afternoon
increasing to 10 to 20 kt late. chance of rain showers in the
morning, then slight chance of rain showers in the afternoon.
waves 1 to 3 ft. 
.tuesday night...north winds increasing to 30 kt. waves 3 to 5 ft
building to 6 to 9 ft occasionally to 12 ft. 
.wednesday...north winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.wednesday night...north winds 10 to 20 kt becoming northwest
5 to 10 kt overnight. waves 4 to 7 ft occasionally to 9 ft
subsiding to 2 to 4 ft. 
.thursday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...southwest winds 10 to 20 kt veering to
northwest to 30 kt overnight. chance of rain showers. waves 3 to
5 ft. 
.friday...north winds to 30 kt diminishing to 15 to 25 kt. chance
of rain showers. waves 3 to 5 ft. 
.saturday...west winds 10 to 20 kt veering to north. waves 2 to
4 ft.  

$$

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