Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4
843
WHUS73 KDTX 170753
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
353 AM EDT Sat May 17 2025

LHZ421-422-172000-
/O.CON.KDTX.SC.Y.0042.250517T1200Z-250518T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
353 AM EDT Sat May 17 2025

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

* WHAT...Expect sustained winds up to 18 knots from the
  southwest with gusts up to 28 knots. The largest significant
  waves will be 3 feet with a potential maximum wave height of 4
  feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
  Inner Saginaw Bay and Inner Saginaw Bay SW of Point Au Gres to
  Bay Port MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday
  with the largest waves expected around 11 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ441>443-172000-
/O.CON.KDTX.SC.Y.0042.250517T1200Z-250518T0200Z/
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
353 AM EDT Sat May 17 2025

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

* WHAT...Expect sustained winds up to 18 knots from the west
  with gusts up to 28 knots. The largest significant waves will
  be 3 feet with a potential maximum wave height of 4 feet.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LCZ460-LEZ444-172000-
/O.CON.KDTX.SC.Y.0042.250517T1200Z-250518T0200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
353 AM EDT Sat May 17 2025

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

* WHAT...Expect sustained winds up to 20 knots from the west
  with gusts up to 31 knots. The largest significant waves will
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie,
  Michigan Waters of Lake Erie from Detroit River to North Cape
  MI.

* WHEN...The maximum winds are expected around 2 PM EDT Saturday
  with the largest waves expected around 2 PM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$