660
WHUS73 KGRR 191557
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1057 AM EST Sun Jan 19 2025

LMZ844>849-200000-
/O.EXT.KGRR.UP.W.0001.000000T0000Z-250122T1800Z/
/O.EXT.KGRR.SC.Y.0005.000000T0000Z-250123T1400Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1057 AM EST Sun Jan 19 2025

...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 1 PM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM EST THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of up to one inch per hour may rapidly
  accumulate on vessels. For the Small Craft Advisory, northwest
  winds to 30 knots and waves 5 to 8 feet.

* WHERE...St Joseph to Manistee.

* WHEN...For the Heavy Freezing Spray Warning, until 1 PM EST
  Wednesday. For the Small Craft Advisory, until 9 AM EST
  Thursday.

* 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. Conditions will be hazardous to small craft.

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.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$