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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Green Bay WI
225 PM CDT Mon Aug 21 2017

LMZ521-522-541>543-221100-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
225 PM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Thunderstorms with gusty winds, heavy rain, and dangerous lighting
will pose a hazard to boaters through this evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Gusty northwest winds are expected Tuesday. They could result in
marginally hazardous conditions for small craft on the lake and
bay.

$$

Skowronski/Bersch

Hazardous Weather Outlook
National Weather Service Green Bay WI
225 PM CDT Mon Aug 21 2017

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-221100-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
225 PM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

Thunderstorms are likely through this evening. Some of the storms
will produce torrential rainfall which may result in some ponding
of water on roads. A few of the storms could also be severe and
produce damaging wind gusts. The risk for severe storms will
persist until around midnight, then the storms will diminish.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening. In addition,
spotters are requested to report any rainfalls of over an inch, or
any observations of ponding of water on roads.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
334 AM CDT Tue Aug 22 2017

LMZ643>646-230845-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
334 AM CDT Tue Aug 22 2017

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...Today and Tonight

Northwest winds will approach Small Craft Advisory levels today
and tonight. Small craft should exercise caution.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

$$
Wood
www.weather.gov/mkx

HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
431 AM EDT Tue Aug 22 2017

MIZ037>040-043>046-050>052-056>059-064>067-071>074-230845-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
431 AM EDT Tue Aug 22 2017

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms will be possible through mid-afternoon before coming
to an end. Severe weather is not expected. Cloud to ground
lightning and heavy downpours will be the main threats.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
431 AM EDT Tue Aug 22 2017

LMZ844>849-230845-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
431 AM EDT Tue Aug 22 2017

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms will be possible this morning before coming to an
end. Severe weather is not expected. Cloud to water lightning and
heavy downpours will be the main threats.

Winds and waves will be hazardous to Small Craft and swimmers
through tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Winds and waves will be hazardous to Small Craft and swimmers
through Wednesday.

$$

NJJ

Hazardous Weather Outlook
National Weather Service Gaylord MI
404 AM EDT Tue Aug 22 2017

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-MIZ008-015>036-041-
042-231100-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-Chippewa-
Mackinac-Emmet-Cheboygan-Presque Isle-Charlevoix-Leelanau-Antrim-
Otsego-Montmorency-Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-
Oscoda-Alcona-Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-
Gladwin-Arenac-
404 AM EDT Tue Aug 22 2017

This hazardous weather outlook is for northern Lower Michigan...
eastern Upper Michigan...and adjacent nearshore waters of Lake
Michigan...Lake Huron and Lake Superior.

.DAY ONE...Today and tonight.

Isolated thunderstorms are expected this morning. Severe storms
are not expected.

Gale force winds are expected on northern Lake Huron this
afternoon through tonight.

There is a high swim risk due to rip currents today and tonight
on Lake Michigan beaches of Manistee...Benzie...and Leelanau
counties.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Dangerous swimming conditions are likely on Great Lakes beaches
Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

&&

For more information visit http://weather.gov/gaylord.

$$

JPB

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
346 PM CDT Mon Aug 21 2017

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-222100-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
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 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-
346 PM CDT Mon Aug 21 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...Tonight.

Thunderstorms are likely late this evening into overnight, some
of which may be strong.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a low chance for thunderstorms Tuesday morning.

&&

$$

RC

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Hazardous Weather Outlook
National Weather Service Duluth MN
322 PM CDT Mon Aug 21 2017

WIZ001>004-006>009-221200-
Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
322 PM CDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of northwest
Wisconsin.

.DAY ONE...This afternoon and Tonight

Thunderstorms are possible across northwest Wisconsin this
afternoon and evening. The thunderstorms should be relatively week
with just occasional lightning, breezy winds, and brief downpours
of rain. There could be some stronger storms near Price County
capable of small hail and gusty winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a low chance for thunderstorms this weekend across parts
of the Northland.

.SPOTTER INFORMATION STATEMENT...

Skywarn Spotter activation is not anticipated today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Marquette MI
347 PM EDT Mon Aug 21 2017

MIZ001>007-009>014-084-085-221200-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
347 PM EDT Mon Aug 21 2017 /247 PM CDT Mon Aug 21 2017/

This Hazardous Weather Outlook is for portions of western Upper
Michigan and central Upper Michigan.

.DAY ONE...Tonight

Thunderstorms are possible tonight, mainly across the central and
east. The main hazard expected is heavy rain, which may result in
ponding of water in areas of poor drainage at times.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There will be a moderate to high swim risk along Alger beaches
Tuesday and along Alger and Marquette beaches Wednesday.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

Hazardous Weather Outlook
National Weather Service Marquette MI
347 PM EDT Mon Aug 21 2017

LMZ221-248-250-221200-
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
347 PM EDT Mon Aug 21 2017

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Tonight

Thunderstorms are possible this evening through the overnight
hours.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

MZ

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NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: June 2, 2009
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