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Marine Forecast
Expires:201801191030;;660029
FZUS63 KLOT 190252
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
852 PM CST Thu Jan 18 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...High pressure of 30.6 inches over the Deep South will
remain in place into the start of the weekend. Low pressure of 
29.7 inches over Ontario and Lake Superior will will drift east 
while weakening tonight. Another low of 29.3 inches will move 
from Alberta this evening to James Bay Friday night. Yet another 
low of 29.6 inches will move from the central and southern Great 
Plains early Sunday to Lake Michigan Monday evening while 
deepening to 29.4 inches. The low will move to or north of the
eastern lakes on Tuesday.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191030-
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-
852 PM CST Thu Jan 18 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

Gale Warning -  IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...Southwest winds to 30 kt. Waves 6 to 9 ft
occasionally to 12 ft. 
.FRIDAY...Southwest winds to 30 kt increasing to gales to 35 kt. 
Waves building to 7 to 10 ft occasionally to 13 ft. 
.FRIDAY NIGHT...Southwest gales to 40 kt diminishing to 30 kt.
Waves 8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft. 
.SATURDAY...Southwest winds 15 to 25 kt. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft. 
.SATURDAY NIGHT...Southwest winds 10 to 20 kt diminishing to
10 to 15 kt. Patchy fog in the evening...then areas of fog
overnight. Chance of drizzle overnight. Waves 2 to 4 ft subsiding
to 1 to 3 ft. 
.SUNDAY...South winds 10 to 15 kt becoming southeast 10 to 20 kt.
Areas of fog. Chance of rain and light freezing rain in the
morning...then chance of rain in the afternoon. Waves 1 to 3 ft. 
.SUNDAY NIGHT...Southeast winds 15 to 25 kt increasing to 30 kt.
Patchy fog. Rain likely. Waves 2 to 4 ft building to 3 to 5 ft. 
.MONDAY...Southeast winds to 30 kt becoming south. Rain likely.
Waves 5 to 8 ft occasionally to 10 ft. 
.TUESDAY...West gales to 35 kt. Chance of snow. Waves 6 to 9 ft
occasionally to 12 ft.  

$$



US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by MarineWaypoints.com should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


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