WHUS73 KDTX 190204

MWWDTX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Detroit/Pontiac MI

1004 PM EDT Sat Apr 18 2026



LHZ421-191415-

/O.EXP.KDTX.SC.Y.0022.000000T0000Z-260419T0200Z/

/O.EXB.KDTX.SC.Y.0023.260420T0000Z-260420T1400Z/

Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner

Saginaw Bay-

1004 PM EDT Sat Apr 18 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 10 AM EDT

MONDAY...

...SMALL CRAFT ADVISORY HAS EXPIRED...



* WHAT...Expect sustained winds up to 18 knots from the 

  northwest with gusts up to 22 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.



* WHEN...The maximum winds are expected around 11 PM EDT Sunday 

  with the largest waves expected around 1 AM EDT Monday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



LHZ422-190315-

/O.EXP.KDTX.SC.Y.0022.000000T0000Z-260419T0200Z/

Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-

1004 PM EDT Sat Apr 18 2026



...SMALL CRAFT ADVISORY HAS EXPIRED...



Small Craft Advisory conditions have ended.



$$



LHZ441>443-191415-

/O.EXB.KDTX.SC.Y.0023.260420T0000Z-260420T1400Z/

Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-

Port Sanilac to Port Huron MI-

1004 PM EDT Sat Apr 18 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 10 AM EDT

MONDAY...



* WHAT...Expect sustained winds up to 18 knots from the 

  northwest with gusts up to 23 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, Harbor Beach to Port 

  Sanilac MI and Port Sanilac to Port Huron MI.



* WHEN...The maximum winds are expected around 11 PM EDT Sunday 

  with the largest waves expected around 12 AM EDT Monday.



* 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-LEZ444-191415-

/O.CON.KDTX.SC.Y.0023.260419T1400Z-260420T0000Z/

Lake St Clair-

Michigan Waters of Lake Erie from Detroit River to North Cape MI-

1004 PM EDT Sat Apr 18 2026



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

SUNDAY...



* WHAT...Expect sustained winds up to 18 knots from the west 

  with gusts up to 26 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 4 PM EDT Sunday 

  with the largest waves expected around 3 PM EDT Sunday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$