Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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703
WHUS73 KDTX 242000
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
400 PM EDT Sun Aug 24 2025

LHZ441-250815-
/O.NEW.KDTX.SC.Y.0063.250825T1400Z-250826T1400Z/
Port Austin to Harbor Beach MI-
400 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM MONDAY TO 10 AM EDT
TUESDAY...

* WHAT...Expect sustained winds up to 20 knots from the northwest
  with gusts up to 25 knots. The largest significant waves will
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 9 PM EDT Monday
  with the largest waves expected around 12 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ421-442-250815-
/O.NEW.KDTX.SC.Y.0063.250826T0200Z-250826T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Harbor Beach to Port Sanilac MI-
400 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM MONDAY TO 10 AM EDT
TUESDAY...

* WHAT...Expect sustained winds up to 20 knots from the northwest
  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 Harbor Beach to Port Sanilac MI.

* WHEN...The maximum winds are expected around 10 PM EDT Monday
  with the largest waves expected around 12 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

KGK