Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
329 AM CDT Mon Sep 21 2026
LMZ643>646-211630-
/O.CON.KMKX.SC.Y.0085.000000T0000Z-260924T0000Z/
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-
329 AM CDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
WEDNESDAY...
* WHAT...East to northeast winds 15 to 20 kt with gusts up to 25
kt and waves 4 to 8 ft today through Wednesday.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...Until 7 PM CDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Wood
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
425 AM EDT Mon Sep 21 2026
LHZ421-422-441>443-212030-
/O.CON.KDTX.SC.Y.0056.000000T0000Z-260924T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
425 AM EDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
WEDNESDAY...
* WHAT...Expect sustained winds up to 25 knots from the
northeast with gusts up to 32 knots. The largest significant
waves will be 7 feet with a potential maximum wave height of
10 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to
Bay Port MI, Port Austin to Harbor Beach MI, Harbor Beach to
Port Sanilac MI and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 4 AM EDT Monday
with the largest waves expected around 6 AM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
309 AM CDT Mon Sep 21 2026
LMZ521-522-541>543-211615-
/O.CON.KGRB.SC.Y.0083.000000T0000Z-260923T0000Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
309 AM CDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
TUESDAY...
* WHAT...Northeast winds 10 to 20 kts with gusts up to 25 kts.
Waves 2 to 5 ft on the bay and 3 to 6 ft on Lake Michigan,
highest south of Kewaunee.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan, and Central and Southern Bay of Green Bay.
* WHEN...Until 7 PM CDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
mpc
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
302 AM EDT Mon Sep 21 2026
LHZ346-347-211200-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
302 AM EDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* WHAT...Highest gusts up to 30 kts from the northeast and
highest waves around 5 feet.
* WHERE...St Ignace to False Detour Channel and 5NM East of
Mackinac Bridge to Presque Isle Light MI including Bois Blanc
Island.
* WHEN...Until 8 AM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
302 AM EDT Mon Sep 21 2026
LHZ348-349-211515-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
302 AM EDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...Highest gusts up to 30 kts from the northeast and
highest waves around 7 feet.
* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder
Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.
* WHEN...Until 8 PM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Beach Hazards Statement
Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
334 AM CDT Mon Sep 21 2026
WIZ052-060-066-071-072-211645-
/O.CON.KMKX.BH.S.0022.000000T0000Z-260924T0000Z/
Sheboygan-Ozaukee-Milwaukee-Racine-Kenosha-
334 AM CDT Mon Sep 21 2026
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...
* WHAT...Life threatening waves of 5 to 8 feet and dangerous
currents are expected.
* WHERE...Sheboygan, Ozaukee, Milwaukee, Racine and Kenosha
Counties.
* WHEN...Through Wednesday evening.
* IMPACTS...Dangerous swimming conditions are expected due to
high waves and onshore winds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay out of the water and away from dangerous areas like piers
and breakwalls. Strong structural and longshore currents are
expected. Rip currents are possible.
&&
$$
Wood
Coastal Hazard Message
National Weather Service Green Bay WI
310 AM CDT Mon Sep 21 2026
WIZ022-040-050-211615-
/O.CON.KGRB.BH.S.0021.000000T0000Z-260923T0000Z/
Door-Kewaunee-Manitowoc-
310 AM CDT Mon Sep 21 2026
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY
EVENING...
* WHAT...High waves and dangerous currents expected.
* WHERE...Beaches along Lake Michigan in Door, Kewaunee and
Manitowoc Counties.
* WHEN...Through Tuesday evening.
* 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...
Rock Island State Beach, Baileys Harbor beaches and Whitefish
Dunes Beach in Door County. 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.
&&
$$
mpc
Coastal Hazard Message
National Weather Service Marquette MI
356 AM EDT Mon Sep 21 2026
MIZ005-212100-
/O.NEW.KMQT.BH.S.0032.260921T1200Z-260921T2100Z/
Marquette-
356 AM EDT Mon Sep 21 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS AFTERNOON...
* WHAT...Dangerous swimming conditions are expected due to high
wave action and strong rip currents.
* WHERE...Marquette County.
* WHEN...From 8 AM EDT this morning through this afternoon.
* IMPACTS...High wave action and dangerous currents will lead to
life threatening swimming conditions. Waves in rapid
succession can tire swimmers quickly.
* ADDITIONAL DETAILS...Current related fatalities and rescues in
the past have occurred due to similar wave conditions at
locations listed below:
For Marquette County: Middle Bay north of Presque Isle and at
Little Presque Isle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
RE
Coastal Hazard Message
National Weather Service Gaylord MI
311 AM EDT Mon Sep 21 2026
MIZ018-024-030-036-042-211515-
/O.NEW.KAPX.BH.S.0018.260921T1200Z-260922T0000Z/
Presque Isle-Alpena-Alcona-Iosco-Arenac-
311 AM EDT Mon Sep 21 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...
* WHAT...Dangerous swimming conditions from high waves and rip
currents expected. Waves as high as 4 to 6 feet possible.
* WHERE...Presque Isle, Alpena, Alcona, Iosco and Arenac
Counties.
* WHEN...From 8 AM EDT this morning through this evening.
* IMPACTS...A high swim risk means that life-threatening waves and
currents are expected. Stay out of the water and stay away from
dangerous areas like piers and breakwalls.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
313 AM EDT Mon Sep 21 2026
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-220715-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
313 AM EDT Mon Sep 21 2026
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
A small craft advisory is in effect thru tonight for the Lake Huron
nearshore waters, Saginaw Bay, Lake St Clair and the Michigan waters
of Lake Erie. Refer to the latest marine forecast for details.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
A small craft advisory is in effect through Wednesday for the Lake
Huron nearshore waters, Saginaw Bay, Lake St Clair and the Michigan
waters of Lake Erie. Refer to the latest marine forecast for details.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
MR
Hazardous Weather Outlook
National Weather Service Green Bay WI
129 AM CDT Mon Sep 21 2026
LMZ521-522-541>543-220630-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
129 AM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Today and Tonight
Conditions hazardous to small craft are expected. A Small Craft
Advisory is in effect.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Conditions hazardous to small craft are expected through Tuesday
afternoon.
$$
MPC
Hazardous Weather Outlook
National Weather Service Green Bay WI
129 AM CDT Mon Sep 21 2026
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-220630-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
129 AM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Today and Tonight
There is a high rip current risk on Lake Michigan beaches. A Beach
Hazard Statement is in effect.
Patchy frost will be possible over north-central Wisconsin late
tonight into early Tuesday morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
There is a high rip current risk through Tuesday afternoon along
Lake Michigan beaches.
Patchy frost will also be possible on Tuesday night across far
northern Wisconsin.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1157 PM CDT Sun Sep 20 2026
LMZ643>646-220500-
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-
1157 PM CDT Sun Sep 20 2026
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
A Small Craft Advisory remains in effect for gusty onshore winds
and higher waves.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
The Small Craft Advisory continues into early Wednesday evening.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1157 PM CDT Sun Sep 20 2026
WIZ046-047-051-052-056>060-062>072-220500-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1157 PM CDT Sun Sep 20 2026
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
High Swim Risk for all Lake Michigan beaches from Sheboygan to
Kenosha Counties, for gusty onshore winds and high waves. Life
threatening waves and currents are expected. Stay out of the
water, and away from dangerous areas like piers and breakwalls.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
The High Swim Risk conditions continue into early Wednesday
evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
