Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
985
FZUS63 KMKX 132052
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
252 PM CST Thu Dec 13 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...

A weak low pressure trough will then move across Lake Michigan
tonight. Meanwhile, low pressure of 29.7 inches will slowly move
from northeast Texas to the Tennessee Valley tonight and Friday.
High pressure of 30.2 inches will move into the Western Great
Lakes Region on Saturday. Another high pressure of 30.4 inches
will move into the Central Plains on Sunday.

LMZ261-362-364-563-140430-
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 Rock Island Passage to Sturgeon Bay WI-
252 PM CST Thu Dec 13 2018

STURGEON BAY WI TO POINT BETSIE MI NORTH...

.TONIGHT...Southwest winds 10 to 20 kt becoming west. Patchy fog.
Slight chance of rain overnight. Waves 2 to 4 ft.
.FRIDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 2 to 4 ft.
.FRIDAY NIGHT...West winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then becoming northwest 5 to 10 kt after
midnight becoming northeast late. Waves 2 to 4 ft subsiding to
1 to 2 ft.
.SATURDAY...East winds 10 to 15 kt. Waves 1 to 2 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming south.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft building to 3 to 5 ft.
.SUNDAY NIGHT...West winds 15 to 25 kt becoming northwest to
30 kt. Waves 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.
.TUESDAY...Northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. Waves 1 to 3 ft.

$$

LMZ366-565-567-669-868-870-140430-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
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 Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
252 PM CST Thu Dec 13 2018

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO PORT WASHINGTON WI TO
WHITEHALL MI...

.TONIGHT...South winds 10 to 15 kt veering to west. Patchy fog.
Slight chance of rain overnight. Waves 1 to 3 ft.
.FRIDAY...Northwest winds 5 to 10 kt becoming west 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY NIGHT...West winds 10 to 15 kt veering to northeast.
Waves 1 to 2 ft.
.SATURDAY...Northeast winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 2 ft.
.SATURDAY NIGHT...Northeast winds 10 to 15 kt becoming southeast.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west 15 to 25 kt.
Waves 1 to 3 ft building to 2 to 4 ft.
.SUNDAY NIGHT...Northwest winds to 30 kt. Waves 4 to 6 ft
occasionally to 8 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-671-673-675-777-779-872-874-876-878-140430-
Lake Michigan from Michigan City IN to St. Joseph MI 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 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-
252 PM CST Thu Dec 13 2018

PORT WASHINGTON WI TO WHITEHALL MI SOUTH...

.TONIGHT...Southeast winds 10 to 15 kt backing to northeast.
Patchy fog. Rain. Waves 1 to 3 ft.
.FRIDAY...Northeast winds 10 to 15 kt becoming north. Chance of
rain in the morning. Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 10 to 20 kt becoming northeast. Waves
2 to 4 ft.
.SATURDAY...Northeast winds 10 to 20 kt. Waves 2 to 4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt diminishing to
10 to 15 kt. Waves 2 to 4 ft.
.SUNDAY...Northwest winds 10 to 15 kt becoming west 10 to 20 kt.
Waves 1 to 2 ft building to 2 to 4 ft.
.SUNDAY NIGHT...Northwest winds to 30 kt. Waves 4 to 6 ft
occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY...West winds 10 to 15 kt backing to south. Waves 1 to
3 ft.

$$

LMZ761-140430-
MAFOR 1322/
MICHIGAN NORTH 11430 11420 12523 11613 12610 11520. Patchy fog. Waves
2 to 4 ft.

MICHIGAN CENTRAL 11420 11410 11413 11513 11903 11700 12710. Patchy
fog. Waves 1 to 3 ft.


MICHIGAN SOUTH 11320 11326 11316 13116 11110 11810. Rain
developing this evening. Waves 1 to 3 ft.


$$
MBK

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