Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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

898
FZUS63 KLOT 190128
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
828 PM CDT Sun Jun 18 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...Low pressure of 29.4 inches just east of Lake
Superior will move northeast to James Bay by midday Monday. In
the wake of the low...a large and weak high pressure averaging
30.1 inches will move from the Rockies on Monday afternoon to the
Great Lakes region by Wednesday morning. This high will then shift
to the Atlantic coast by early Thursday, while low pressure of
29.3 inches moves into western Ontario.

LMZ261-362-364-366-563-565-190915-
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-
828 PM CDT Sun Jun 18 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.REST OF TONIGHT...West winds 15 to 25 kt diminishing to 10 to
15 kt. Slight chance of showers. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.MONDAY...West winds 10 to 15 kt becoming southwest. Slight
chance of showers in the morning...then chance of showers and
slight chance of thunderstorms in the afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...West winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers in the evening. Waves 1 to 2 ft.
.TUESDAY...West winds 10 to 20 kt diminishing to 10 to 15 kt.
Chance of showers in the morning. Waves 1 to 2 ft.
.TUESDAY NIGHT...West winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 ft or less.
.WEDNESDAY...Southwest winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 ft or less.
.WEDNESDAY NIGHT...South winds 15 to 25 kt. Chance of showers and
thunderstorms. Waves 1 to 2 ft building to 1 to 3 ft.
.THURSDAY...Southwest winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.FRIDAY...West winds 10 to 20 kt. Waves 1 to 2 ft.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-190915-
Lake Michigan from Michigan City IN to St. Joseph MI 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 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 Pentwater to Manistee MI 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-
828 PM CDT Sun Jun 18 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.REST OF TONIGHT...West winds 10 to 20 kt. Isolated showers this
evening. Waves 1 to 3 ft.
.MONDAY...West winds 10 to 15 kt. Slight chance of showers in the
morning...then chance of showers and slight chance of
thunderstorms in the afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...West winds 10 to 20 kt. Chance of showers in the
evening. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt. Chance of showers in the
morning. Waves 1 to 3 ft.
.TUESDAY NIGHT...West winds 5 to 10 kt. Waves 1 to 2 ft.
.WEDNESDAY...West winds 5 to 10 kt backing to south 10 to 20 kt
in the afternoon. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...South winds 15 to 25 kt becoming southwest to
30 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft
building to 3 to 5 ft.
.THURSDAY...Southwest winds to 30 kt becoming west 10 to 20 kt in
the afternoon. Chance of showers and thunderstorms. Waves 3 to
5 ft.
.FRIDAY...Northwest winds 10 to 15 kt becoming west. Chance of
showers and thunderstorms. Waves 1 to 2 ft.

$$
LMZ761-190915-
MAFOR 1903/
MICHIGAN NORTH 12620 13610 12510 11610. Chance of showers Monday
and Monday evening. Waves 2 to 4 ft this evening subsiding to 1
to 3 ft overnight and Monday.

MICHIGAN SOUTH 13620 14610 11610. Chance of showers Monday and
Monday evening. Waves 1 to 3 feet.

$$

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.