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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Grand Rapids MI
406 AM EDT Wed Sep 3 2025

LMZ844>849-040815-
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-
406 AM EDT Wed Sep 3 2025

This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.

.DAY ONE...Today and Tonight

Winds and waves on Lake Michigan will be hazardous to small craft
and swimmers. A few thunderstorms could also occur today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Hazardous conditions on Lake Michigan are likely at least through
Saturday. Gales are possible Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
406 AM EDT Wed Sep 3 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-040815-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
406 AM EDT Wed Sep 3 2025

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

.DAY ONE...Today and Tonight

Rain is likely today with a chance of thunderstorms. Wind gusts 30
to 40 mph are possible with some thunderstorms.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Wind gusts greater than 40 mph are possible Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
1051 AM EDT Wed Sep 3 2025

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-041500-
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-
1051 AM EDT Wed Sep 3 2025

This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.

.DAY ONE...Today and tonight.

Scattered thunderstorms remain possible through early this evening,
primarily across Lake Huron. While severe weather is not
expected, there is a low chance for a strong storm or two capable
of producing gusty winds and small hail.

Waterspouts are possible on the Great Lakes today and tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Waterspouts will remain possible on the Great Lakes through at
least Thursday.

Gale force wind gusts are possible on Friday, especially on Lake
Huron.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated, but reports of waterspouts
are appreciated.

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

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
1051 AM EDT Wed Sep 3 2025

MIZ016>018-020>036-041-042-086>088-095>099-041500-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
1051 AM EDT Wed Sep 3 2025

This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.

.DAY ONE...Today and tonight.

Scattered thunderstorms remain possible through early this evening,
primarily across north-central and northeast lower MI. While severe
weather is not expected, there is a low chance of a strong storm
or two capable of producing gusty winds and small hail.

A High Swim Risk continues through this evening at Lake Michigan
beaches of Manistee, Benzie, and Emmet Counties, along with Beaver
Island.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Isolated thunderstorms are possible again Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated, but rainfall reports are
appreciated, as are reports of waterspouts.

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

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
541 AM EDT Wed Sep 3 2025

LMZ043-046-040945-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
541 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM EDT
THURSDAY...

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

There are chances for heavy rain and isolated thunderstorms late
this afternoon into early Thursday morning. Severe weather is not
expected. Conditions will become hazardous for small craft this
evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

There are chances for heavy rain and isolated thunderstorms late
Wednesday into early Thursday morning. Severe weather is not
expected. Much cooler temperatures to follow on Thursday and into
the weekend.

Conditions hazardous to small craft are likely from Thursday through
Saturday. Northwest winds will gust as high as 25 knots at times.
The strongest winds are expected late Thursday night into Friday
morning when a few gusts to 30 knots are possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
541 AM EDT Wed Sep 3 2025

INZ005>009-012>015-017-018-020-022>027-032>034-104-116-203-204-216-
MIZ078>081-OHZ001-002-004-005-015-016-024-025-040945-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
541 AM EDT Wed Sep 3 2025 /441 AM CDT Wed Sep 3 2025/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...Today and tonight.

There are chances for heavy rain and isolated thunderstorms late
this afternoon into early Thursday morning. Severe weather is not
expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
541 AM EDT Wed Sep 3 2025

INZ103-MIZ177-277-040945-
Northern La Porte-Northern Berrien-Southern Berrien-
541 AM EDT Wed Sep 3 2025 /441 AM CDT Wed Sep 3 2025/

...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

There are chances for heavy rain and isolated thunderstorms late
this afternoon into early Thursday morning. Severe weather is not
expected. Waves will increase after sunset and swimming conditions will
become dangerous into the day Thursday.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

 Beach Hazards Statement.

There is a High Swim Risk for beaches in Berrien County, MI and La
Porte County, IN on Thursday. Strong rip and structural currents are
expected alongside high waves. Hazardous swimming conditions continue
into Friday and Saturday too.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
407 AM EDT Wed Sep 3 2025

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-040815-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
407 AM EDT Wed Sep 3 2025

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Today and Tonight

Showers with a few embedded thunderstorms move through the region
ahead of a cold front today and early tonight. Severe weather is not
expected at this time.

A Small Craft Advisory is in effect for Saginaw Bay today. See the
latest Marine Weather Message (MWW) for additional details.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Potential exists for gusts to gales Friday as a strong low pressure
system moves across The Straits.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

KGK

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
407 AM EDT Wed Sep 3 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-040815-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
407 AM EDT Wed Sep 3 2025

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

Showers with a few embedded thunderstorms move through the region
ahead of a cold front today and early tonight. Severe weather is not
expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
259 AM CDT Wed Sep 3 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-040800-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
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 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
259 AM CDT Wed Sep 3 2025

This Hazardous Weather Outlook is for the open waters of Lake Michigan.

.DAY ONE...Today and Tonight

Scattered showers and isolated storms are expected this morning
and afternoon. A few waterspouts are possible, particularly across
the northern half of Lake Michigan.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Additional scattered showers and isolated storms are expected late
Thursday night through Friday morning.

Wind gusts are expected to exceed gale thresholds late Thursday
night into Friday morning, particularly across southern Lake
Michigan.

$$


www.weather.gov/mkx

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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