770
WHUS73 KDTX 162344
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
744 PM EDT Wed Jul 16 2025

LCZ460-LEZ444-171400-
/O.NEW.KDTX.SC.Y.0057.250717T0900Z-250717T1600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
744 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO NOON EDT
THURSDAY...

* WHAT...Expect sustained winds up to 20 knots from the west
  with gusts up to 28 knots. The largest significant waves will
  be 2 feet with a potential maximum wave height of 3 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 7 AM EDT Thursday
  with the largest waves expected around 6 AM 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.

&&

$$

LHZ421-441-171400-
/O.NEW.KDTX.SC.Y.0057.250717T1600Z-250718T0400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
744 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON THURSDAY TO MIDNIGHT
EDT THURSDAY NIGHT...

* 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 12 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.

&&

$$

LHZ442-443-171400-
/O.NEW.KDTX.SC.Y.0057.250717T2000Z-250718T0400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
744 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THURSDAY TO MIDNIGHT
EDT THURSDAY NIGHT...

* 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 4 PM EDT Thursday
  with the largest waves expected around 7 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.

&&

$$