Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
000
FZUS63 KLOT 110242
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
842 PM CST Fri Nov 10 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 30.7 inches centered across the
central Great Lakes will shift to New England this weekend. A weak
trough of low pressure averaging 30.1 inches and an associated
cold front will cross the lake Saturday night into Sunday. Another
area of high pressure of 30.4 inches will build across the Great
Lakes Sunday night and Monday.

LMZ261-362-364-366-563-565-567-868-111015-
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-
842 PM CST Fri Nov 10 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT FROM 3 AM CST SATURDAY THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...Southeast winds 15 to 25 kt becoming south to
30 kt after midnight...then increasing to gales to 35 kt late.
Chance of snow overnight. Waves 2 to 4 ft building to 8 to 11 ft
occasionally to 14 ft late.
.SATURDAY...South gales to 35 kt diminishing to 30 kt. Chance of
snow and rain in the morning...then rain and snow in the
afternoon. Waves 8 to 12 ft occasionally to 16 ft.
.SATURDAY NIGHT...Southwest winds to 30 kt becoming west 10 to
20 kt overnight. Rain likely in the evening...then chance of rain
and snow overnight. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 3 to 5 ft.
.SUNDAY...Northwest winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SUNDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt becoming west 5 to 10 kt.
Waves 1 to 2 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...Southwest winds 15 to 25 kt becoming south to 30 kt.
Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft.
.WEDNESDAY...Southwest winds to 30 kt becoming northwest 15 to
25 kt. Rain likely. Waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 7 ft occasionally to 9 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-111015-
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-
842 PM CST Fri Nov 10 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Southeast winds 15 to 25 kt becoming south to
30 kt. Waves 3 to 6 ft occasionally to 8 ft building to 6 to 9 ft
occasionally to 12 ft.
.SATURDAY...South winds to 30 kt. Slight chance of snow in the
morning...then chance of rain in the afternoon. Waves 7 to 10 ft
occasionally to 13 ft.
.SATURDAY NIGHT...South winds to 30 kt diminishing to 15 to 25 kt
late in the evening...then becoming southwest 10 to 20 kt after
midnight diminishing to 10 to 15 kt late. Chance of rain. Waves
5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.SUNDAY...Southwest winds 10 to 15 kt becoming west. Rain likely
in the morning...then chance of rain in the afternoon. Waves 2 to
4 ft.
.SUNDAY NIGHT...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt becoming west 5 to 10 kt.
Waves 1 to 2 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...South winds 15 to 25 kt increasing to 30 kt. Waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft.
.WEDNESDAY...Southwest winds to 30 kt becoming northwest 15 to
25 kt. Rain likely. Waves 5 to 8 ft occasionally to 10 ft
subsiding to 4 to 6 ft occasionally to 8 ft.

$$
LMZ761-111015-
MAFOR 1104/
MICHIGAN NORTH...Gale Warning in effect...11330 11440 12450 11457
12447 11547. Chance of snow after midnight overnight. Chance of
snow and rain Saturday morning. Waves 2 to 4 feet building to 8 to
11 feet occasionally to 14 feet overnight. Waves 8 to 12 feet
occasionally to 16 feet Saturday. Waves 7 to 10 feet occasionally
to 13 feet Saturday evening.

MICHIGAN SOUTH 11330 11440 15440. Chance of rain Saturday
afternoon and Saturday evening. Waves 3 to 6 feet occasionally to
8 feet building to 6 to 9 feet occasionally to 12 feet overnight.
Waves 7 to 10 feet occasionally to 13 feet Saturday. Waves 5 to 8
feet occasionally to 10 feet Saturday evening.

$$


KJB

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

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



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.