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fzus61 kcle 281318
glfle 
924 

open lake forecast for lake erie
national weather service cleveland oh
918 am edt fri apr 28 2017

for waters beyond five nautical miles of shore on lake erie

.synopsis...high pressure 30.00 inches over southern ohio will 
move northeast into eastern pennsylvania by this afternoon. 
another front will set up just south of lake erie by late tonight 
then waver back and forth across the lake into monday. a deep low 
29.30 inches will move northeast through the central lakes late 
monday and monday night pulling a series of cold fronts southeast 
across lake erie through tuesday.

lez162>165-282015-
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-
918 am edt fri apr 28 2017

.this afternoon...southwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.tonight...east winds 5 to 10 knots becoming northeast. a chance
of showers late in the evening. showers likely with a chance of
thunderstorms. waves 1 foot or less. 
.saturday...north winds 5 to 15 knots becoming northeast. showers
likely with a chance of thunderstorms. waves 2 feet or less. 
.saturday night...northeast winds 15 to 20 knots. a chance of
showers and thunderstorms. waves 1 to 3 feet building to 3 to
5 feet. 
.sunday...east winds 15 to 25 knots becoming south 10 to
20 knots. a chance of showers and thunderstorms. waves 4 to
6 feet subsiding to 2 to 4 feet. 
.monday...south winds 20 to 25 knots becoming southwest. a chance
of showers and thunderstorms in the morning...then showers and
thunderstorms likely in the afternoon. a chance of showers. waves
3 to 5 feet building to 4 to 6 feet. 
.tuesday...southwest winds to 30 knots becoming west and
diminishing to 10 to 20 knots. a chance of showers. waves 5 to
8 feet subsiding to 3 to 5 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 281341
glflh 

lhz463-464-282015-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
941 am edt fri apr 28 2017

.rest of today...southwest winds 5 to 15 knots. waves 1 to 3 
feet. 
.tonight...south winds 10 to 15 knots decreasing to 5 to 10 knots
after midnight...then becoming south 5 to 10 knots early in the
morning. a chance of rain. waves 1 to 3 feet. 
.saturday...north winds 15 to 20 knots. a chance of rain early in
the morning. waves 3 to 5 feet. 
.saturday night...northeast winds 10 to 15 knots. a chance of
rain in the evening...then rain likely after midnight. waves 2 to
4 feet. 
.sunday...northeast winds 15 to 20 knots decreasing to 5 to
10 knots. rain likely in the morning. showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.monday...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then veering
to the southwest until early morning. showers early in the
morning. a chance of thunderstorms. a chance of showers until
early morning. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to 30 knots.
a chance of showers until afternoon. waves 3 to 5 feet. 


$$
fzus63 kdtx 281337
glfsc 
806 

lake st clair forecast
national weather service detroit/pontiac mi
937 am edt fri apr 28 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...high pressure...averaging 30.10 inches...will build into 
the southern and eastern great lakes today as low pressure over 
ontario lifts north into st james bay. a frontal boundary will set 
up over the northern ohio valley by late saturday...bringing a wet 
and unsettled pattern through monday as it slowly lifts through the 
central great lakes.

lcz460-282015-
lake st clair-
937 am edt fri apr 28 2017

.rest of today...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. partly sunny. waves 2 feet or less.
.tonight...south winds 5 to 10 knots early in the evening increasing
to 10 to 15 knots...then becoming southeast 5 to 10 knots after
midnight becoming light and variable. mostly cloudy with light rain
likely. waves 2 feet or less.
.saturday...north winds 15 to 20 knots becoming northeast 20 to 25
knots late in the afternoon. mostly cloudy. light rain likely early
in the morning...then a chance of light rain in the late morning and
afternoon. waves 1 to 3 feet.
.saturday night...northeast winds 20 to 25 knots diminishing to 10
to 15 knots. cloudy with light rain likely. waves 1 to 3 feet.
.sunday...east winds 10 to 15 knots becoming southeast 5 to 10 knots
in the evening. cloudy. rain likely in the morning. a chance of
thunderstorms. showers likely in the afternoon and evening. waves 2
feet or less.
.monday...southwest winds 15 to 20 knots with gusts to 30 knots.
mostly cloudy with showers likely and a chance of thunderstorms.
waves 2 feet or less. a small craft advisory may be needed.
.tuesday...west winds 20 to 25 knots with gusts to 30 knots. mostly
cloudy with a chance of showers. waves 1 to 3 feet.

$$
fzus63 klot 281337
glflm 
037 

open lake forecast for lake michigan
national weather service chicago/romeoville il
837 am cdt fri apr 28 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...low pressure of 29.3 inches over james bay will 
hold stationary today while weak high pressure of 29.9 inches  
across southern lake michigan inches northward. larger high 
pressure will then develop and move across ontario saturday while 
low pressure of 29.5 inches develops over the southern plains. 
this low will deepen to 29.3 inches as it lifts into iowa sunday 
night...and to 29.2 inches as it moves to the western great lakes 
on monday. a trailing cold front will move across the lake monday 
night while the low moves to quebec tuesday.

lmz261-362-364-366-563-565-567-868-282130-
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 cdt fri apr 28 2017

sheboygan wi to pentwater mi north...

.rest of today...southwest winds 15 to 25 kt diminishing to 10 to
20 kt by mid afternoon. waves 4 to 6 ft occasionally to 8 ft 
subsiding to 3 to 5 ft occasionally to 7 ft. 
.tonight...southwest winds 10 to 15 kt veering to northwest 10 to
20 kt late in the evening...then becoming north 15 to 25 kt
overnight. slight chance of rain showers. waves 2 to 4 ft 
building to 3 to 5 ft occasionally to 7 ft overnight. 
.saturday...north winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft occasionally to 7 ft building to 4 to 7 ft occasionally
to 9 ft. 
.saturday night...northeast winds to 30 kt. chance of rain
showers. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...east winds to 30 kt becoming northeast gales to 35 kt.
rain showers in the morning...then rain showers likely in the
afternoon. waves 4 to 7 ft occasionally to 9 ft building to 6 to
9 ft occasionally to 11 ft. 
.sunday night...northeast gales to 35 kt becoming east gales to
40 kt. rain showers. waves 6 to 9 ft occasionally to 11 ft. 
.monday...southeast gales to 35 kt becoming south to 30 kt.
chance of rain showers. waves 5 to 8 ft occasionally to 10 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds to 30 kt. chance of rain showers. waves
5 to 8 ft occasionally to 10 ft.  

$$
fzus63 klot 281337
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-282130-
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 cdt fri apr 28 2017

sheboygan wi to pentwater mi south...

.rest of today...west winds 10 to 15 kt backing to northeast by
mid afternoon. chance of rain showers this afternoon. waves 2 to 
4 ft subsiding to 1 to 3 ft. 
.tonight...northeast winds 10 to 15 kt gradually increasing to 30
kt by the predawn hours. chance of rain showers...mainly in the 
evening. waves building to 4 to 6 ft occasionally to 8 ft. 
.saturday...northeast winds to 30 kt. chance of rain showers.
waves 6 to 9 ft occasionally to 11 ft. 
.saturday night...northeast winds to 30 kt. occasional gales to 
35 kt. rain showers likely in the evening...then rain showers 
overnight. waves 6 to 9 ft occasionally to 11 ft. 
.sunday...east winds to 30 kt becoming northeast. rain showers
with a chance of thunderstorms in the morning...then rain showers
in the afternoon. waves 5 to 8 ft occasionally to 10 ft. 
.sunday night...east winds to 30 kt becoming southeast 15 to
25 kt. rain showers. waves 4 to 7 ft occasionally to 9 ft.
.monday...south winds to 30 kt. chance of rain showers. waves
4 to 6 ft occasionally to 8 ft. 
.tuesday...west gales to 35 kt. waves 6 to 9 ft occasionally to
11 ft.  

$$

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