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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1041 AM EST Thu Nov 20 2025

LHZ345-346-202345-
/O.CON.KAPX.SC.Y.0113.251120T1800Z-251121T0300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
1041 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the southwest and
  highest waves around 3 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
  including Mackinac Island and St Ignace to False Detour
  Channel.

* WHEN...Until 10 PM EST this evening.

* 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
1041 AM EST Thu Nov 20 2025

LMZ323-341-342-344-345-202345-
/O.CON.KAPX.SC.Y.0113.251120T1600Z-251121T0600Z/
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-
1041 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kts from the southwest and
  highest waves around 5 feet expected.

* WHERE...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 and Point Betsie to Sleeping Bear Point MI.

* WHEN...Until 1 AM EST Friday.

* 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
1041 AM EST Thu Nov 20 2025

LSZ321-202345-
/O.CON.KAPX.SC.Y.0113.251120T1800Z-251121T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1041 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest waves around 4 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
  Iroquois MI.

* WHEN...Until 7 PM EST this evening.

* 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
1033 AM EST Thu Nov 20 2025

LSZ245>248-210345-
/O.CON.KMQT.SC.Y.0182.251120T1600Z-251121T1800Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to
  Lower Entrance of Portage Canal MI, Lower Entrance of Portage
  Canal To Huron Islands MI Including Keweenaw and Huron Bays
  and Huron Islands to Marquette MI.

* WHEN...Until 1 PM EST Friday.

* 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
1033 AM EST Thu Nov 20 2025

LSZ249-210345-
/O.CON.KMQT.SC.Y.0183.251121T1200Z-251121T1800Z/
Marquette to Munising MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 1 PM EST
FRIDAY...

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

* WHERE...Marquette to Munising MI.

* WHEN...From 7 AM to 1 PM EST Friday.

* 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
1033 AM EST Thu Nov 20 2025

LSZ250-251-210345-
/O.CON.KMQT.SC.Y.0182.251121T0000Z-251121T1800Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 PM EST FRIDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
  5 to 8 ft expected.

* WHERE...Munising to Grand Marais MI and Grand Marais to
  Whitefish Point MI.

* WHEN...From 7 PM this evening to 1 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Green Bay WI
330 AM CST Thu Nov 20 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-210930-
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-
330 AM CST Thu Nov 20 2025

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

.DAY ONE...Today and Tonight

Areas of fog, locally dense, will impact north central and
central Wisconsin this morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
315 AM CST Thu Nov 20 2025

WIZ046-047-051-052-056>060-062>072-210915-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
315 AM CST Thu Nov 20 2025

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...Today and Tonight

Patchy dense fog is expected through the morning hours in
Lafayette, Iowa, and Green Counties, and a Special Weather
Statement is in effect for these areas through 8 AM CST.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

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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