Great Lakes Forecast
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000
FZUS63 KLOT 102214
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
414 PM CST Wed Jan 10 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 29.4 inches near James Bay will shift
through northern Quebec tonight. Another low of 29.5 inches will
move from the central Plains on Wednesday night to Lake Superior
by Thursday morning and to western Quebec by Thursday night. An
associated cold front trailing from this low will move across the
lake Thursday afternoon and evening. High pressure of 30.8 inches
will build into the Upper Midwest Saturday while low pressure of
29.4 inches shifts through the Appalachian states. The high will
move into the Great Lakes region on Sunday. Another clipper like
low will quickly follow Sunday night into Monday.

LMZ261-362-364-366-563-565-567-868-110430-
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-
414 PM CST Wed Jan 10 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY
NIGHT...

.TONIGHT...South winds to 30 kt. Areas of fog. Chance of rain and
drizzle this evening...then rain and drizzle likely overnight.
Waves 6 to 9 ft occasionally to 12 ft.
.THURSDAY...South winds to 30 kt becoming west. Areas of fog.
Rain likely in the morning...then rain and slight chance of
freezing rain in the afternoon. Waves 5 to 8 ft occasionally to
10 ft.
.THURSDAY NIGHT...North gales to 35 kt. Chance of snow and light
sleet in the evening...then chance of snow overnight. Freezing
spray overnight. Waves 8 to 11 ft occasionally to 14 ft.
.FRIDAY...North gales to 35 kt. Freezing spray in the morning.
Chance of snow showers in the afternoon. Waves 8 to 11 ft
occasionally to 14 ft subsiding to 5 to 8 ft occasionally to
10 ft in the afternoon.
.FRIDAY NIGHT...North gales to 35 kt easing to north winds to 30
kt. Freezing spray. Chance of snow showers. Waves 6 to 9 ft
occasionally to 12 ft building to 8 to 11 ft occasionally to 14 ft
overnight.
.SATURDAY...North winds to 30 kt. Freezing spray. Chance of snow
showers in the afternoon. Waves 8 to 11 ft occasionally to 14 ft.
.SATURDAY NIGHT...Northwest winds 10 to 20 kt. Waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft
overnight.
.SUNDAY...West winds 10 to 15 kt becoming southwest 15 to 25 kt
in the afternoon. Waves 2 to 4 ft.
.MONDAY...Southwest winds 10 to 20 kt becoming west 15 to 25 kt.
Snow likely. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-110430-
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-
414 PM CST Wed Jan 10 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY
NIGHT...

.TONIGHT...South winds to 30 kt. Areas of dense fog. Chance of
rain and drizzle. Waves 5 to 8 ft occasionally to 10 ft.
.THURSDAY...South winds to 30 kt becoming southwest. Areas of
dense fog in the morning...then areas of fog in the afternoon.
Rain likely in the morning...then rain and slight chance of light
freezing rain in the afternoon. Waves 5 to 8 ft occasionally to
10 ft.
.THURSDAY NIGHT...North gales to 35 kt. Chance of rain, snow and
light sleet in the evening...then chance of snow overnight.
Freezing spray overnight. Waves 4 to 7 ft occasionally to 9 ft
building to 9 to 13 ft occasionally to 18 ft.
.FRIDAY...North gales to 35 kt. Freezing spray in the morning.
Chance of snow showers. Waves 9 to 13 ft occasionally to 18 ft.
.FRIDAY NIGHT...North gales to 35 kt. Freezing spray. Chance of
snow showers. Waves 7 to 10 ft occasionally to 13 ft building to
9 to 13 ft occasionally to 17 ft overnight.
.SATURDAY...North winds to 30 kt. Freezing spray. Chance of snow
showers. Waves 8 to 12 ft occasionally to 16 ft.
.SATURDAY NIGHT...Northwest winds 10 to 20 kt. Freezing spray.
Chance of snow showers. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 7 ft occasionally to 9 ft overnight.
.SUNDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft in
the afternoon.
.MONDAY...Southwest winds 15 to 25 kt becoming west. Snow likely.
Waves 2 to 4 ft.

$$

LMZ761-110430-
MAFOR 1022/
MICHIGAN NORTH 13443 14446 11546. Chance of rain and drizzle this
evening. Waves 6 to 9 ft occasionally to 12 ft tonight. Waves 5
to 8 ft occasionally to 10 ft Thursday.

MICHIGAN SOUTH 11434 13444 12446 19444 12446. Chance of rain and
drizzle tonight. Waves 5 to 8 ft occasionally to 10 ft.

$$


Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes



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