571
WHUS73 KDTX 300723
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
323 AM EDT Tue Sep 30 2025

LEZ444-302015-
/O.EXB.KDTX.SC.Y.0070.251001T0000Z-251001T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
323 AM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 AM
EDT WEDNESDAY...

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

* WHERE...Michigan Waters of Lake Erie from Detroit River to
  North Cape MI.

* WHEN...The maximum winds are expected around 2 AM EDT
  Wednesday with the largest waves expected around 4 AM EDT
  Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ421-441-302015-
/O.CON.KDTX.SC.Y.0070.250930T1600Z-251001T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
323 AM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
10 AM EDT WEDNESDAY...

* WHAT...Expect sustained winds up to 22 knots from the
  northeast with gusts up to 28 knots. The largest significant
  waves will be 7 feet with a potential maximum wave height of
  10 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 8 PM EDT Tuesday
  with the largest waves expected around 9 PM 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.

&&

$$

LHZ422-302015-
/O.CON.KDTX.SC.Y.0070.250930T1800Z-251001T0800Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
323 AM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 4 AM EDT WEDNESDAY...

* WHAT...Expect sustained winds up to 21 knots from the
  northeast with gusts up to 28 knots. The largest significant
  waves will be 4 feet with a potential maximum wave height of 5
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 8 PM EDT Tuesday
  with the largest waves expected around 10 PM 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.

&&

$$

LHZ442-443-302015-
/O.CON.KDTX.SC.Y.0070.250930T1800Z-251001T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
323 AM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 4 AM EDT WEDNESDAY...

* WHAT...Expect sustained winds up to 21 knots from the
  northeast with gusts up to 29 knots. The largest significant
  waves will be 6 feet with a potential maximum wave height of 8
  feet.

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

* WHEN...The maximum winds are expected around 8 PM EDT Tuesday
  with the largest waves expected around 8 PM 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.

&&

$$