Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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646
WHUS73 KDTX 030901
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
401 AM EST Wed Dec 3 2025

LHZ442-443-032115-
/O.EXB.KDTX.SC.Y.0091.251204T0300Z-251204T2100Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
401 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
EST THURSDAY...

* WHAT...Expect sustained winds up to 23 knots from the northwest
  with gusts up to 30 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 AM EST Thursday
  with the largest waves expected around 9 AM EST 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.

&&

$$

LEZ444-032115-
/O.CON.KDTX.LO.Y.0011.251203T1500Z-251204T0300Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
401 AM EST Wed Dec 3 2025

...LOW WATER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 PM EST THIS EVENING...

* WHAT...Abnormally low water levels expected.

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

* WHEN...From 10 AM this morning to 10 PM EST this evening.

* IMPACTS...Below normal water levels will result in hazardous
  navigating conditions.

* ADDITIONAL DETAILS...Elevated southwest winds through this
  evening will result in water levels across the western basin of
  Lake Erie to fall near or slightly below the critical mark for
  safe navigation of 5 inches below low water datum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should navigate shallow waters with extreme caution due
to below normal water levels.

&&

$$

LHZ421-422-441-032115-
/O.CON.KDTX.SC.Y.0091.000000T0000Z-251204T2100Z/
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-
Port Austin to Harbor Beach MI-
401 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
THURSDAY...

* WHAT...Expect sustained winds up to 27 knots from the west
  with gusts up to 31 knots. The largest significant waves will
  be 6 feet with a potential maximum wave height of 8 feet.

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

* WHEN...The maximum winds are expected around 7 AM EST Thursday
  with the largest waves expected around 9 AM EST 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.

&&

$$