518
WHUS73 KDTX 230858
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
358 AM EST Sun Nov 23 2025

LHZ361-362-232100-
/O.CON.KDTX.GL.W.0025.251123T1200Z-251123T2100Z/
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-
358 AM EST Sun Nov 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
EST THIS AFTERNOON...

* WHAT...Expect sustained winds up to 27 knots from the
  northwest with gusts up to 38 knots. The largest significant
  waves will be 9 feet with a potential maximum wave height of
  13 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 1 PM EST Sunday
  with the largest waves expected around 3 PM EST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ422-442-443-232100-
/O.CON.KDTX.SC.Y.0087.251123T1200Z-251123T2100Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
358 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 4 PM EST THIS AFTERNOON...

* WHAT...Expect sustained winds up to 20 knots from the west with
  gusts up to 30 knots. The largest significant waves will be 3
  feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI,
  Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron
  MI.

* WHEN...The maximum winds are expected around 12 PM EST Sunday
  with the largest waves expected around 2 PM EST 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.

&&

$$

LHZ421-441-232100-
/O.CON.KDTX.SC.Y.0087.000000T0000Z-251124T0300Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
358 AM EST Sun Nov 23 2025

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

* WHAT...Expect sustained winds up to 20 knots from the west with
  gusts up to 30 knots. The largest significant waves will be 4
  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 and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 12 PM EST Sunday
  with the largest waves expected around 2 PM EST 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.

&&

$$