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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
909 PM CDT Sun Jun 22 2025

LMZ521-522-231015-
/O.CON.KGRB.SC.Y.0059.000000T0000Z-250624T0000Z/
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-
909 PM CDT Sun Jun 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 ft.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT 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
909 PM CDT Sun Jun 22 2025

LMZ541>543-231015-
/O.CON.KGRB.SC.Y.0059.000000T0000Z-250624T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
909 PM CDT Sun Jun 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves
  3 to 6 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sheboygan.

* WHEN...Until 7 PM CDT 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 Grand Rapids MI
334 AM EDT Mon Jun 23 2025

LMZ846>849-231545-
/O.CON.KGRR.SC.Y.0061.000000T0000Z-250624T0400Z/
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
334 AM EDT Mon Jun 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Southwest winds 10 to 20 knots with gusts up to 25 knots
  and waves 2 to 4 feet.

* WHERE...Holland to Manistee.

* WHEN...Until midnight EDT tonight.

* 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
317 AM EDT Mon Jun 23 2025

LHZ345-LMZ323-341-342-344>346-231530-
/O.CON.KAPX.SC.Y.0067.000000T0000Z-250624T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
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-
317 AM EDT Mon Jun 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the southwest and
  highest waves around 6 feet.

* WHERE...Portions of Lake Huron and Lake Michigan.

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
914 PM CDT Sun Jun 22 2025

LMZ643-231015-
/O.CON.KMKX.SC.Y.0068.000000T0000Z-250623T0600Z/
/O.CON.KMKX.SC.Y.0069.250623T1300Z-250624T0200Z/
Sheboygan to Port Washington WI-
914 PM CDT Sun Jun 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 9 PM CDT
MONDAY...

* WHAT...For the current Small Craft Advisory, south to southwest
  winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet.
  For the next Small Craft Advisory, southwest winds 15 to 20 kt
  with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Port Washington.

* WHEN...For the current Small Craft Advisory, until 1 AM CDT
  Monday. For the next Small Craft Advisory, from 8 AM to 9 PM
  CDT 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 Marquette MI
1007 PM EDT Sun Jun 22 2025

LMZ248-250-231415-
/O.CON.KMQT.SC.Y.0115.000000T0000Z-250624T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1007 PM EDT Sun Jun 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft occurring.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1007 PM EDT Sun Jun 22 2025

LMZ221-231415-
/O.CON.KMQT.SC.Y.0116.000000T0000Z-250624T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1007 PM EDT Sun Jun 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Southwest winds 10 to 20 with gusts up to 25 kt and
  waves 1 to 4 ft occurring.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* 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.

&&

$$

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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