Great Lakes Forecast
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000
FZUS63 KMKX 022016
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
216 PM CST Tue Mar 2 2021

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 29.5 inches will continue moving eastward from
just north of Lake Superior tonight, while high pressure of 30.2
inches across the Ohio Valley continues to shift slowly east.
The tight pressure gradient between these systems will result in
strong winds across Lake Michigan, with the highest gusts in the
north into the evening hours.

Winds will ease a little later this evening into tonight while
becoming northerly in advance of approaching high pressure.

&&

LMZ261-362-364-366-563-565-567-868-030430-
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-
216 PM CST Tue Mar 2 2021

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING...

.TONIGHT...Southwest gales to 40 kt becoming west to 30 kt late
this evening, then diminishing to 15 to 25 kt after midnight
becoming northwest 10 to 20 kt late. Waves 12 to 16 ft
occasionally to 21 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.WEDNESDAY...North winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.
.THURSDAY...North winds 10 to 15 kt. Waves 2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 15 kt. Waves 1 to 3 ft.
.FRIDAY...North winds 10 to 15 kt becoming northwest. Waves 1 to
3 ft.
.FRIDAY NIGHT...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.SATURDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to
2 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 2 to 4 ft building to
3 to 5 ft.

$$

LMZ080-671-673-675-777-779-872-874-876-878-030430-
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-
216 PM CST Tue Mar 2 2021

PORT WASHINGTON WI TO WHITEHALL MI SOUTH...

.TONIGHT...Southwest winds to 30 kt diminishing to 15 to 25 kt
after midnight, then becoming west 10 to 20 kt late. Waves 8 to
11 ft occasionally to 14 ft subsiding to 4 to 6 ft occasionally
to 8 ft.
.WEDNESDAY...Northwest winds 10 to 15 kt becoming north 10 to
20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.
.THURSDAY...North winds 10 to 15 kt. Waves 2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt becoming northeast
10 to 15 kt. Waves 2 to 4 ft.
.FRIDAY...North winds 5 to 10 kt. Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 5 to 10 kt. Waves 1 to 2 ft.
.SATURDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to
2 ft.
.SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 2 to 4 ft.

$$

LMZ669-870-030430-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
216 PM CST Tue Mar 2 2021

SHEBOYGAN WI TO PENTWATER MI SOUTH TO PORT WASHINGTON WI TO
WHITEHALL MI...

...GALE WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING...

.TONIGHT...Southwest gales to 35 kt diminishing to 30 kt late
this evening, then becoming west 15 to 25 kt after midnight
becoming northwest 10 to 20 kt late. Waves 8 to 12 ft
occasionally to 16 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.WEDNESDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.
.THURSDAY...North winds 10 to 15 kt. Waves 2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.FRIDAY...North winds 5 to 10 kt. Waves 1 to 2 ft.
.FRIDAY NIGHT...Northwest winds 5 to 10 kt. Waves 1 to 2 ft.
.SATURDAY...Northwest winds 5 to 10 kt becoming west. Waves 1 to
2 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 3 to 5 ft.

$$

LMZ761-030430-
MAFOR 0222/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11560 11550 11630 11620
11720 12810 11820. Waves 12 to 16 feet subsiding to 3 to 5 feet
tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Wednesday.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11550 12540 11630 11720
11710 12810. Waves 8 to 11 feet subsiding to 3 to 6 feet tonight.
Waves 2 to 4 feet subsiding to 1 to 3 feet Wednesday.

$$
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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