181
WHUS73 KDTX 171948
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
348 PM EDT Thu Jul 17 2025

LHZ422-172100-
/O.EXP.KDTX.SC.Y.0057.000000T0000Z-250717T2000Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
348 PM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON...

$$

LHZ421-441-180400-
/O.CON.KDTX.SC.Y.0057.000000T0000Z-250718T0400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
348 PM EDT Thu Jul 17 2025

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

* WHAT...Expect sustained winds up to 17 knots from the north
  with gusts up to 25 knots. The largest significant waves will
  be 4 feet with a potential maximum wave height of 5 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 5 PM EDT Thursday
  with the largest waves expected around 5 PM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-180400-
/O.CON.KDTX.SC.Y.0057.000000T0000Z-250718T0400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
348 PM EDT Thu Jul 17 2025

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

* WHAT...Expect sustained winds up to 16 knots from the north
  with gusts up to 25 knots. The largest significant waves will
  be 4 feet with a potential maximum wave height of 5 feet.

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

* WHEN...The maximum winds are expected around 6 PM EDT Thursday
  with the largest waves expected around 6 PM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$