189
WHUS73 KDTX 170837
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
337 AM EST Mon Nov 17 2025

LHZ422-170945-
/O.EXP.KDTX.SC.Y.0085.000000T0000Z-251117T0900Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
337 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

Winds and waves have decreased below small craft criteria.

$$

LHZ442-443-172045-
/O.CON.KDTX.SC.Y.0085.000000T0000Z-251117T2100Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
337 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 25 knots from the
  northwest with gusts up to 30 knots. The largest significant
  waves will be 5 feet with a potential maximum wave height of 7
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to
  Port Huron MI.

* WHEN...The maximum winds and waves expected late 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.

&&

$$

LHZ421-441-172045-
/O.CON.KDTX.SC.Y.0085.000000T0000Z-251117T2100Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
337 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 25 knots from the
  northwest with gusts up to 30 knots. The largest significant
  waves will be 6 feet with a potential maximum wave height of 8
  feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
  Inner Saginaw Bay.

* WHEN...The maximum winds and waves expected late 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.

&&

$$