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fzus61 kcle 211935
glfle 
011 

open lake forecast for lake erie
national weather service cleveland oh
335 pm edt thu aug 21 2014

for waters beyond five nautical miles of shore on lake erie

.synopsis...low pressure 29.90 inches over lake ontario will
continue to weaken as it drifts eastward this evening. a weak
warm front will lift north toward lake erie tonight into friday
and then sag southward across central ohio saturday and sunday.

lez061-162>169-220215-
lake erie open waters from ripley to buffalo ny-
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-
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-
335 pm edt thu aug 21 2014

.tonight...southwest winds 10 knots or less becoming southeast. a
chance of showers and thunderstorms. waves 2 feet or less.
.friday...southeast winds 10 knots or less becoming east. a
chance of showers and thunderstorms. waves 2 feet or less.
.friday night...east winds 10 knots or less. a chance of showers
and thunderstorms in the evening. waves 1 foot or less. 
.saturday...east winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...east winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots. waves 2 feet or less. 
.monday...southeast winds 10 knots or less. waves 2 feet or less.
.tuesday...south winds 10 knots or less. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 211952
glflh 

lhz462>464-220800-
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-
343 pm edt thu aug 21 2014

.tonight...northeast winds 5 to 10 knots early this evening...
becoming light and variable overnight. a chance of showers and
thunderstorms. waves 2 feet or less. 
.friday...light and variable winds...becoming north 5 to 10 knots
by mid afternoon. waves 2 feet or less. 
.friday night...northeast winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...east winds 5 to 10 knots in the morning...becoming
light and variable...then becoming north 5 to 10 knots late.
waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots...veering to the
east after midnight. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots...becoming south 10 to
15 knots after midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots...increasing to 10 to
15 knots. a chance of showers and thunderstorms late. waves 1 to
3 feet. 
.tuesday...south winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 2 feet or less. 


$$
fzus63 kdtx 211952
glfsc 
228 

lake st clair forecast
national weather service detroit/pontiac mi
343 pm edt thu aug 21 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...a weak surface low feature of 29.80 inches will slide 
across southern lake michigan by friday before slipping into the 
ohio river valley. a broad surface ridge will build into eastern 
canada this weekend. the western edge of the surface ridge is 
expected to expand westward influencing much of lake huron and 
southeastern michigan throughout much of this upcoming weekend.

lcz460-220800-
lake st clair-
343 pm edt thu aug 21 2014

.tonight...south winds 5 to 10 knots early this evening...becoming
light and variable overnight. mostly cloudy with showers and
thunderstorms likely. waves nearly calm. 
.friday...light and variable winds. mostly cloudy with a chance of
showers and thunderstorms. waves nearly calm. 
.friday night...northeast winds 5 to 10 knots through midnight...
becoming light and variable overnight. partly cloudy. waves nearly
calm. 
.saturday...light and variable winds...becoming southeast 5 to
10 knots by mid afternoon. partly sunny. waves nearly calm. 
.saturday night...light and variable winds...becoming east 5 to
10 knots by midnight. partly cloudy. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.monday...south winds 5 to 10 knots. a chance of showers and
thunderstorms. partly cloudy. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots. a chance of showers and
thunderstorms. partly cloudy. waves 2 feet or less. 

$$
fzus63 klot 211950
glflm 
616 

open lake forecast for lake michigan
national weather service chicago/romeoville il
250 pm cdt thu aug 21 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 across southern minnesota
will move slowly east along a warm front tonight and weaken as
it moves over far southern lake michigan on friday morning. the
frontal boundary will shift south of the lake friday night with a
weak pressure gradient remaining over much of the lake. low
pressure of 29.6 inches will develop in the central plains
saturday and move northward to near lake winnipeg by sunday night.
another low pressure around 29.7 inches will then advance from the
central plains to the great lakes region during the middle of next
week.

lmz261-362-364-366-563-565-567-868-220330-
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-
250 pm cdt thu aug 21 2014

sheboygan wi to pentwater mi north

.tonight...variable winds around 10 kt becoming east 10 to 15 kt
by early evening. chance of showers and thunderstorms. waves 1 to
2 ft.
.friday...east winds 10 to 15 kt becoming northeast by early
afternoon. chance of showers and thunderstorms...mainly in the
morning. waves 1 to 3 ft.
.friday night...east winds 10 to 15 kt. slight chance of showers
and thunderstorms. waves 1 to 3 ft. 
.saturday...northeast winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday night...east winds 10 to 15 kt becoming southeast.
chance of showers and thunderstorms. waves 1 to 3 ft. 
.sunday...southeast winds 10 to 15 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.sunday night...south winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.monday...south winds 10 to 20 kt. chance of showers and
thunderstorms. waves 2 to 4 ft. 
.tuesday...south winds around 10 kt. chance of showers and
thunderstorms. waves 1 to 3 ft.

$$
fzus63 klot 211950
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-220330-
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-
250 pm cdt thu aug 21 2014

sheboygan wi to pentwater mi south

.tonight...variable winds around 10 kt becoming southeast 10 to
15 kt by early evening. chance of showers and thunderstorms this
evening...then showers and thunderstorms likely overnight. waves 1
to 2 ft.
.friday...south winds 5 to 10 kt becoming variable in the
afternoon. chance of showers and thunderstorms. waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt. slight chance of
showers and thunderstorms. waves 1 to 3 ft.
.saturday...east winds 10 to 15 kt becoming northeast. chance of
showers and thunderstorms. waves 1 to 2 ft.
.saturday night...east winds 10 to 15 kt becoming southeast.
slight chance of showers and thunderstorms. waves 1 to 3 ft.
.sunday...southeast winds 10 to 15 kt. slight chance of showers
and thunderstorms. waves 1 to 3 ft. 
.sunday night...south winds 10 to 15 kt. slight chance of showers
and thunderstorms. waves 1 to 3 ft.
.monday...south winds 10 to 15 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.tuesday...southeast winds around 10 kt becoming south. chance of
showers and thunderstorms. waves 1 to 2 ft.

$$
fzus63 klot 211338
glflm 

lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-212130-
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-
838 am cdt thu aug 21 2014

two rivers wi to manistee mi south

.rest of today...variable winds 10 to 15 kt becoming southeast by
early afternoon. chance of showers late this morning. showers and
thunderstorms likely this afternoon. waves 1 to 2 ft.
.tonight...southeast winds 10 to 15 kt veering southwest by early
overnight. showers and thunderstorms in the evening...then
showers and thunderstorms likely overnight. waves 2 ft or less.
.friday...south winds 10 to 15 kt backing to north. chance of
showers and thunderstorms in the morning...then slight chance of
showers and thunderstorms in the afternoon. waves 2 ft or less.
.friday night...northeast winds 5 to 10 kt. slight chance of
showers and thunderstorms. waves 2 ft or less.
.saturday...northeast winds 10 to 15 kt. chance of showers and
thunderstorms. waves 1 to 2 ft. 
.saturday night...east winds 10 to 15 kt becoming southeast.
slight chance of showers and thunderstorms. waves 1 to 2 ft. 
.sunday...southeast winds 10 to 15 kt. slight chance of showers
and thunderstorms. waves 1 to 2 ft. 
.monday...south winds 10 to 15 kt. chance of showers and
thunderstorms. waves 1 to 2 ft.  

$$

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