Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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981
WHUS73 KDTX 231434
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
934 AM EST Fri Jan 23 2026

LHZ361>363-462>464-240245-
/O.EXT.KDTX.UP.W.0003.000000T0000Z-260124T1000Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
934 AM EST Fri Jan 23 2026

...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater may rapidly accumulate on vessels.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle
  Light to Sturgeon Point MI beyond 5NM off shore.

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

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

&&

$$