555
WHUS73 KAPX 200840
MWWAPX

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

LHZ345-346-201645-
/O.EXB.KAPX.SC.Y.0113.251120T1800Z-251121T0300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
340 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
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...From 1 PM this afternoon to 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.

&&

$$

LSZ321-201645-
/O.EXB.KAPX.SC.Y.0113.251120T1800Z-251121T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
340 AM EST Thu Nov 20 2025

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

* WHAT...Highest waves around 3 feet expected.

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

* WHEN...From 1 PM this afternoon to 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.

&&

$$

LMZ323-341-342-344-345-201645-
/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-
340 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 1 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kts from the southwest and
  highest waves around 4 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...From 11 AM Thursday to 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.

&&

$$