Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
300 PM CDT Fri Sep 19 2025
LMZ541-200400-
/O.EXB.KGRB.SC.Y.0073.250920T0300Z-250920T0800Z/
Rock Island Passage to Sturgeon Bay WI-
300 PM CDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 AM
CDT SATURDAY...
* WHAT...East winds 10 to 15 kts with gusts up to 25 kts and waves
3 to 5 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay.
* WHEN...From 10 PM this evening to 3 AM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
300 PM CDT Fri Sep 19 2025
LMZ542-543-200400-
/O.CON.KGRB.SC.Y.0073.250920T0600Z-250920T2100Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
300 PM CDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 4 PM CDT
SATURDAY...
* WHAT...Southeast winds 10 to 15 kts with gusts up to 20 kts and
waves 3 to 5 ft expected.
* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to
Sheboygan.
* WHEN...From 1 AM to 4 PM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Kruk
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
337 PM EDT Fri Sep 19 2025
LHZ421-441>443-200800-
/O.NEW.KDTX.SC.Y.0068.250920T0200Z-250920T2000Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
337 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
EDT SATURDAY...
* WHAT...Expect sustained winds up to 18 knots from the east with
gusts up to 25 knots. The largest significant waves will be 5
feet with a potential maximum wave height of 7 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Port Austin to Harbor Beach MI, Harbor
Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 10 PM EDT Friday
with the largest waves expected around 4 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
337 PM EDT Fri Sep 19 2025
LMZ846>849-200345-
/O.CON.KGRR.SC.Y.0080.250920T0300Z-250920T1200Z/
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
337 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 8 AM EDT SATURDAY...
* WHAT...East winds 15 to 20 knots with gusts up to 25 knots
expected.
* WHERE...Holland to Manistee.
* WHEN...From 11 PM this evening to 8 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
THOMAS
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
318 PM EDT Fri Sep 19 2025
LMZ248-250-200730-
/O.NEW.KMQT.SC.Y.0148.250920T0400Z-250920T1500Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
318 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM
EDT SATURDAY...
* WHAT...Southeast winds 15 to 20 kt and waves 2 to 4 ft
expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From midnight tonight to 11 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
156 PM CDT Fri Sep 19 2025
LMZ643>646-200300-
/O.CON.KMKX.SC.Y.0083.250920T0600Z-250920T2100Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
156 PM CDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 4 PM CDT
SATURDAY...
* WHAT...East to southeast winds 10 to 20 knots and waves 4 to 6
ft expected.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 1 AM to 4 PM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Sheppard
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
156 PM EDT Fri Sep 19 2025
LHZ345>348-200200-
/O.NEW.KAPX.SC.Y.0090.250920T1200Z-250921T0800Z/
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-
156 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 4 AM EDT
SUNDAY...
* WHAT...Highest gusts up to 30 kts from the southeast and
highest waves around 6 feet expected.
* WHERE...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 and Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary.
* WHEN...From 8 AM Saturday to 4 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
156 PM EDT Fri Sep 19 2025
LMZ341-342-200200-
/O.NEW.KAPX.SC.Y.0090.250920T0400Z-250921T0800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
156 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 4 AM
EDT SUNDAY...
* WHAT...Highest gusts up to 30 kts from the east and highest
waves around 4 feet expected.
* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay.
* WHEN...From midnight tonight to 4 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
156 PM EDT Fri Sep 19 2025
LSZ321-322-200200-
/O.NEW.KAPX.SC.Y.0090.250920T1500Z-250921T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
156 PM EDT Fri Sep 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 4 AM EDT
SUNDAY...
* WHAT...Highest gusts up to 25 kts from the southeast and
highest waves around 3 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI and St. Marys River Point Iroquois to E.
Potagannissing Bay.
* WHEN...From 11 AM Saturday to 4 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service Green Bay WI
302 PM CDT Fri Sep 19 2025
WIZ040-050-200415-
/O.CON.KGRB.BH.S.0013.250920T0600Z-250920T2100Z/
Kewaunee-Manitowoc-
302 PM CDT Fri Sep 19 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 AM CDT
SATURDAY THROUGH SATURDAY AFTERNOON...
* WHAT...High waves and dangerous expected.
* WHERE...Beaches along Lake Michigan in Kewaunee and Manitowoc
Counties.
* WHEN...From 1 AM CDT Saturday through Saturday afternoon.
* IMPACTS...Dangerous swimming conditions are expected. Strong
currents can pull swimmers into deeper water and high waves
can sweep people off piers.
* ADDITIONAL DETAILS...Several beaches that will be most
susceptible to the dangerous swimming conditions include...
Cresent Beach and City of Kewaunee Beach in Kewaunee County.
Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
Kruk
Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
159 PM CDT Fri Sep 19 2025
WIZ052-060-066-071-200300-
/O.CON.KMKX.BH.S.0015.250920T0600Z-250920T2100Z/
Sheboygan-Ozaukee-Milwaukee-Racine-
159 PM CDT Fri Sep 19 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 AM CDT
SATURDAY THROUGH SATURDAY AFTERNOON...
* WHAT...Life threatening waves of 3 to 6 feet and dangerous
currents are expected.
* WHERE...Sheboygan, Ozaukee, Milwaukee and Racine Counties.
* WHEN...From 1 AM CDT Saturday through Saturday afternoon.
* IMPACTS...Dangerous swimming conditions are expected due to
high waves and onshore winds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay out of the water and away from dangerous areas like piers
and breakwalls. Strong structural and longshore currents are
expected. Rip currents are possible.
&&
$$
Sheppard
Coastal Hazard Message
National Weather Service Gaylord MI
158 PM EDT Fri Sep 19 2025
MIZ017-018-088-096-097-200200-
/O.NEW.KAPX.BH.S.0014.250920T1200Z-250921T0800Z/
Cheboygan-Presque Isle-Southeast Chippewa-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
158 PM EDT Fri Sep 19 2025
...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT...
* WHAT...Dangerous swimming conditions due to 3 to 5 foot waves
and rip currents.
* WHERE...Cheboygan, Presque Isle, Southeast Chippewa and
Eastern Mackinac Counties, and Mackinac Island/Bois Blanc
Island.
* WHEN...From Saturday morning through late Saturday night.
* IMPACTS...Strong currents can pull swimmers into deeper water
and high waves can sweep people off piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Green Bay WI
308 PM CDT Fri Sep 19 2025
LMZ521-522-541>543-202015-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
308 PM CDT Fri Sep 19 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Tonight
Isolated to scattered thunderstorms are possible. Any storm could
pose a hazard to mariners.
Gusty southeast winds will result in conditions hazardous to small
craft beginning after midnight for the Lake Michigan nearshore
waters. Additionally, small craft are encouraged to exercise
caution on the Bay this evening into early Saturday morning.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
Thunderstorms will be possible at times this weekend through early
next week. Any storm could pose a hazard to mariners.
Conditions hazardous to small craft continue through early Saturday
afternoon.
$$
Goodin/Bersch
Hazardous Weather Outlook
National Weather Service Green Bay WI
308 PM CDT Fri Sep 19 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-202015-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
308 PM CDT Fri Sep 19 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Isolated to scattered thunderstorms are expected over most of the
area. Although the strongest storms could produce small hail and
gusty winds, the risk of severe weather is low. Heavy rainfall and
localized flooding is possible.
There is an increased risk for rip currents on Lake Michigan
beaches in Kewaunee and Manitowoc counties beginning after
midnight tonight.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
Thunderstorms will be possible at times this weekend through early
next week. The risk of severe weather remains low. Heavy rainfall
and localized flooding is possible.
Potential for rip currents on Lake Michigan beaches continues
through early Saturday afternoon.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to report any hail and flooding to the
National Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
357 PM EDT Fri Sep 19 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-202000-
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-
357 PM EDT Fri Sep 19 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...This Afternoon and Tonight
A Small Craft Advisory is in effect for portions of Lake Huron. Refer
to the latest marine headline and forecast for details.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Additional Small Craft Advisories may be needed Saturday night.
There will be a chance for isolated thunderstorms Sunday and Monday.
Severe weather is not expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
TF
Hazardous Weather Outlook
National Weather Service Gaylord MI
333 PM EDT Fri Sep 19 2025
LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-201945-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
333 PM EDT Fri Sep 19 2025
This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.
.DAY ONE...This afternoon and tonight.
There is a chance for an isolated thunderstorm this afternoon for
the nearshore waters of Lake Michigan south of Grand Traverse
Light. Severe weather is not expected.
There is a chance for additional thunderstorms late tonight across
portions of Lake Michigan. Severe storms are not expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
There are chances for thunderstorms at various times from
Saturday through Monday. Severe storms are unlikely, but any storm
may be capable of producing downpours and gusty winds.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
333 PM EDT Fri Sep 19 2025
MIZ016>018-020>036-041-042-086>088-095>099-201945-
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-
333 PM EDT Fri Sep 19 2025
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...This afternoon and tonight.
An isolated thunderstorm is possible along the immediate Lake
Michigan shore south and west of Grand Traverse Bay this
afternoon. Severe weather is not expected.
There is a slight chance of thunderstorms late tonight across
areas west of US 131. Severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
A high swim risk is expected on Saturday at many Lake Huron
beaches of northeast lower and eastern upper Michigan.
There are chances for thunderstorms at various times from
Saturday through Monday. Severe storms are unlikely, but any storm
may be capable of producing downpours and gusty winds.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
314 PM EDT Fri Sep 19 2025
MIZ005-201915-
Marquette-
314 PM EDT Fri Sep 19 2025
This Hazardous Weather Outlook is for portions of central Upper
Michigan.
.DAY ONE...Tonight
Strong winds and high waves could promote dangerous swimming
conditions along the Lake Superior beaches of Marquette County
today; a Moderate Swim Risk is in effect. See the latest Surf
Zone Forecast for more information.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Off and on thunderstorms are expected Saturday through early next
week.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
155 PM CDT Fri Sep 19 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-201900-
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-
155 PM CDT Fri Sep 19 2025
This Hazardous Weather Outlook is for the open waters of Lake
Michigan.
.DAY ONE...Tonight
There will be a chance for thunderstorms this evening and
overnight.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
The thunderstorm chances will continue Saturday into early next
week.
$$
Sheppard
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
155 PM CDT Fri Sep 19 2025
LMZ643>646-201900-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
155 PM CDT Fri Sep 19 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
A Small Craft Advisory goes into effect tonight for breezy east
to southeast winds and building waves.
There is a chance for thunderstorms this evening and overnight.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
The Small Craft Advisory continues into Saturday afternoon.
Thunderstorm chances will persist Saturday into early next week.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
155 PM CDT Fri Sep 19 2025
WIZ046-047-051-052-056>060-062>072-201900-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
155 PM CDT Fri Sep 19 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
Increasing chances for scattered showers and thunderstorms later
today into tonight.
Breezy east to southeast winds tonight will result in a High Swim
Risk for Lake Michigan beaches from Sheboygan County south
through Racine County. Life threatening waves and currents are
expected. Stay out of the water, and stay away from dangerous
areas like piers and breakwalls.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
The High Swim Risk continues into Saturday afternoon.
Thunderstorm chances will continue Saturday into early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
349 AM EDT Fri Sep 19 2025
LMZ844>849-200800-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
349 AM EDT Fri Sep 19 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
East to southeast winds are expected to reach Small Craft Advisory
levels with gusts to 25 knots until Saturday morning.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
There is a chance for thunderstorms Saturday afternoon through
Tuesday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
349 AM EDT Fri Sep 19 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-200800-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
349 AM EDT Fri Sep 19 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Pockets of dense fog are possible this morning reducing
visibilities down to a quarter of a mile.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
There is a chance for thunderstorms Saturday afternoon through
Tuesday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$