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2025 [KGRR] GRAND_RAPIDS Freezing Spray (UP) Watch (A) Number 1

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

299 
WHUS73 KGRR 180857
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
357 AM EST Sat Jan 18 2025

LMZ844>849-181700-
/O.CON.KGRR.SC.Y.0005.250118T1200Z-250122T0400Z/
/O.NEW.KGRR.UP.A.0001.250118T1800Z-250121T2100Z/
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-
357 AM EST Sat Jan 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 11 PM EST TUESDAY...
...HEAVY FREEZING SPRAY WATCH IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH TUESDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  knots with gusts up to 30 knots and waves 6 to 9 feet 
  expected. For the Heavy Freezing Spray Watch, heavy freezing 
  spray at a rate of up to one inch per hour possible, and may 
  rapidly accumulate on vessels.

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, from 7 AM this morning to 
  11 PM EST Tuesday. For the Heavy Freezing Spray Watch, from 1 
  PM EST this afternoon through Tuesday afternoon.

* 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 consider altering plans to avoid or mitigate
hazardous accumulation of ice on their vessel.

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

&&

$$
770 
WHUS73 KGRR 181609
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1109 AM EST Sat Jan 18 2025

LMZ844>849-190015-
/O.CON.KGRR.SC.Y.0005.000000T0000Z-250122T0400Z/
/O.UPG.KGRR.UP.A.0001.250118T1800Z-250121T2100Z/
/O.NEW.KGRR.UP.W.0001.250118T1800Z-250121T2100Z/
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-
1109 AM EST Sat Jan 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 PM EST
TUESDAY...

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

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, until 11 PM EST Tuesday. 
  For the Heavy Freezing Spray Warning, until 4 PM EST Tuesday.

* 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.

&&

$$
Permalink to 202501180857-KGRR-WHUS73-MWWGRR
299 
WHUS73 KGRR 180857
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
357 AM EST Sat Jan 18 2025

LMZ844>849-181700-
/O.CON.KGRR.SC.Y.0005.250118T1200Z-250122T0400Z/
/O.NEW.KGRR.UP.A.0001.250118T1800Z-250121T2100Z/
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-
357 AM EST Sat Jan 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 11 PM EST TUESDAY...
...HEAVY FREEZING SPRAY WATCH IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH TUESDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  knots with gusts up to 30 knots and waves 6 to 9 feet 
  expected. For the Heavy Freezing Spray Watch, heavy freezing 
  spray at a rate of up to one inch per hour possible, and may 
  rapidly accumulate on vessels.

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, from 7 AM this morning to 
  11 PM EST Tuesday. For the Heavy Freezing Spray Watch, from 1 
  PM EST this afternoon through Tuesday afternoon.

* 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 consider altering plans to avoid or mitigate
hazardous accumulation of ice on their vessel.

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

&&

$$
Permalink to 202501181609-KGRR-WHUS73-MWWGRR
770 
WHUS73 KGRR 181609
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1109 AM EST Sat Jan 18 2025

LMZ844>849-190015-
/O.CON.KGRR.SC.Y.0005.000000T0000Z-250122T0400Z/
/O.UPG.KGRR.UP.A.0001.250118T1800Z-250121T2100Z/
/O.NEW.KGRR.UP.W.0001.250118T1800Z-250121T2100Z/
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-
1109 AM EST Sat Jan 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 PM EST
TUESDAY...

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

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, until 11 PM EST Tuesday. 
  For the Heavy Freezing Spray Warning, until 4 PM EST Tuesday.

* 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.

&&

$$

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