Great Lakes Forecast
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000
FZUS63 KMKX 142317
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
517 PM CST Fri Dec 14 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 29.7 inches will slowly move from southern
Arkansas into the Tennessee Valley tonight. High pressure of 30.3
inches will slowly move into the Western Great Lakes Region
tonight and Saturday. Another high pressure of 30.4 inches will
move into the Central Plains on Sunday, and into Minnesota Sunday
night. Low pressure of 29.2 inches should then move across Hudson
Bay Sunday into Sunday night.

LMZ261-362-364-366-563-565-567-868-150430-
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-
517 PM CST Fri Dec 14 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...West winds 10 to 20 kt veering to north 10 to 15 kt.
Patchy fog overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.SATURDAY...East winds 10 to 20 kt becoming southeast 10 to
15 kt. Patchy fog. Waves 1 to 2 ft.
.SATURDAY NIGHT...South winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt. Waves 3 to 5 ft.
.SUNDAY NIGHT...West winds 15 to 25 kt becoming northwest to
30 kt. Waves 3 to 5 ft building to 4 to 6 ft occasionally to
8 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt becoming north 10 to
15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt becoming southwest to 30 kt.
Waves 1 to 2 ft building to 2 to 4 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Waves 4 to 7 ft
occasionally to 9 ft.

$$

LMZ669-671-150430-
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-
517 PM CST Fri Dec 14 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH TO NORTH POINT LIGHT WI TO
GRAND HAVEN MI...

.TONIGHT...Northwest winds 10 to 20 kt veering to northeast.
Patchy fog. Waves 1 to 2 ft.
.SATURDAY...East winds 10 to 20 kt becoming northeast 10 to
15 kt. Patchy fog in the morning, then areas of fog in the
afternoon. Waves 1 to 2 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt diminishing to
10 to 15 kt late in the evening, then diminishing to 5 to 10 kt
after midnight becoming east late. Waves 2 to 4 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.
.SUNDAY NIGHT...Northwest winds 15 to 25 kt. Waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft.
.MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Waves 4 to 6 ft
occasionally to 8 ft.

$$

LMZ080-673-675-777-779-870-872-874-876-878-150430-
Lake Michigan from Michigan City IN to St. Joseph MI 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-
517 PM CST Fri Dec 14 2018

NORTH POINT LIGHT WI TO GRAND HAVEN MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.TONIGHT...North winds 10 to 15 kt becoming northeast 10 to
20 kt. Patchy dense fog this evening, then widespread fog
overnight. Waves 1 to 3 ft.
.SATURDAY...Northeast winds 15 to 25 kt diminishing to 10 to
20 kt. Widespread fog in the morning, then areas of fog in the
afternoon. Waves 1 to 3 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt diminishing to
10 to 15 kt late in the evening, then diminishing to 5 to 10 kt
after midnight becoming east late. Waves 2 to 4 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.
.SUNDAY NIGHT...Northwest winds 15 to 25 kt. Waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft.
.MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Waves 4 to 6 ft
occasionally to 8 ft.

$$
LMZ761-150430-
MAFOR 1422 AMD/
MICHIGAN NORTH 11630 11620 11710 11810 11120 13210. Waves 3 to 5
ft subsiding to 2 to 4 ft tonight. Waves 1 ft or less Saturday.

MICHIGAN SOUTH 13810 19814 11113 11123 11133 11223 11123. Waves 1
to 3 ft tonight. Waves 2 to 4 ft Saturday.

$$


Boxell

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

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



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