####018002948####
WHUS73 KDTX 071357

MWWDTX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Detroit/Pontiac MI

957 AM EDT Wed May 7 2025



LHZ441-442-080215-

/O.EXB.KDTX.SC.Y.0040.250508T0600Z-250509T0200Z/

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

957 AM EDT Wed May 7 2025



...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 10 PM EDT

THURSDAY...



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

  with gusts up to 24 knots. The largest significant waves will 

  be 5 feet with a potential maximum wave height of 6 feet.



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

  Port Sanilac MI.



* WHEN...The maximum winds are expected around 3 PM EDT Thursday 

  with the largest waves expected around 3 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.



&&



$$



LHZ443-080215-

/O.EXB.KDTX.SC.Y.0040.250507T2200Z-250509T0200Z/

Port Sanilac to Port Huron MI-

957 AM EDT Wed May 7 2025



...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 PM

EDT THURSDAY...



* WHAT...Expect sustained winds up to 20 knots from the north 

  with gusts up to 24 knots. The largest significant waves will 

  be 5 feet with a potential maximum wave height of 7 feet.



* WHERE...Port Sanilac to Port Huron MI.



* WHEN...The maximum winds are expected around 5 PM EDT Thursday 

  with the largest waves expected around 4 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.



&&



$$



LHZ421-422-080215-

/O.CON.KDTX.SC.Y.0040.250507T1600Z-250509T0200Z/

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-

957 AM EDT Wed May 7 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT

THURSDAY...



* WHAT...Expect sustained winds up to 20 knots from the 

  northeast with gusts up to 25 knots. The largest significant 

  waves will be 5 feet with a potential maximum wave height of 7 

  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 11 AM EDT 

  Thursday with the largest waves expected around 9 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.



&&



$$