Great Lakes Forecast
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000
FZUS63 KLOT 170147
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
847 PM CDT Sun Jul 16 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...High pressure of 30.1 inches will remain over the
western Great Lakes region through Monday before moving to the
Ohio Valley Tuesday. A trough averaging 29.9 inches will then
move from Lake Superior Tuesday and across Lake Michigan on
Wednesday.

LMZ261-362-364-366-563-565-567-868-170945-
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-
847 PM CDT Sun Jul 16 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...North winds 10 to 20 kt becoming northeast and
diminishing to 10 to 15 kt late. Waves 4 to 6 ft occasionally to
8 feet subsiding to 2 to 4 ft.
.MONDAY...Variable winds less than 10 kt. Waves 1 to 3 ft
subsiding to 1 ft or less.
.MONDAY NIGHT...Variable winds less than 10 kt becoming
southwest winds 10 to 15 kt in the evening, then increasing to 10
to 20 kt overnight. Waves 1 to 2 ft.
.TUESDAY...Southwest winds 10 to 20 kt becoming south 15 to
25 kt. Waves 2 to 4 ft.
.TUESDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of showers and thunderstorms in the evening...then
showers and thunderstorms likely overnight. Waves 2 to 4 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming northwest. Chance of
showers and thunderstorms in the morning. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming southeast.
Waves 1 to 2 ft.
.THURSDAY...Southwest winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY...South winds 10 to 15 kt becoming southwest. Waves 1 ft
or less.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-170945-
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-
847 PM CDT Sun Jul 16 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...North winds 15 to 25 kt becoming northeast 10
to 20 kt after midnight...then diminishing to 10 to 15 kt late.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.MONDAY...East winds 10 to 15 kt becoming north. Waves subsiding
to 1 to 3 ft.
.MONDAY NIGHT...Northeast winds 10 to 15 kt veering to south 5 to
10 kt. Waves 1 to 2 ft.
.TUESDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.TUESDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Chance of showers and thunderstorms overnight. Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 15 kt becoming west. Chance of
showers and thunderstorms in the morning. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.
.THURSDAY...Southeast winds 10 to 15 kt veering to southwest 5 to
10 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.
.FRIDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft.

$$
LMZ761-170945-
MAFOR 1703/
MICHIGAN NORTH 11820 11120 11110 14900 11900. Waves 4 to 6 ft
occasionally to 8 ft this evening subsiding to 2 to 4 ft overnight
and to 1 ft or less Monday.

MICHIGAN SOUTH 11830 11120 11110 11210 14110 19810. Waves 5 to 8
ft occasionally to 10 ft subsiding to 3 to 5 ft overnight then to
1 to 3 ft Monday.

$$

- Izzi

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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