000
AGXX40 KNHC 231820
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
130 PM EST SUN DEC 23 2007

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

AN ATLANTIC 1011 MB LOW IS LOCATED NEAR 27N68W AND FORECAST TO 
MOVE SE 15 TO 20 KNOTS OVER THE NEXT 24 HOURS. A TIGHT PRESSURE 
GRADIENT N OF THE LOW CENTER IS PRODUCING NEAR GALE FORCE 
EASTERLY WINDS N OF 27N E OF 75W. THIS IS CONFIRMED BY A 
QUIKSCAT PASS ABOUT 1020 UTC THIS MORNING. AN ASCAT PASS AT 
ABOUT 1345 UTC INDICATES WINDS ABOUT FIVE KNOTS LOWER.  WINDS 
ARE MUCH LIGHTER ON THE S SIDE OF THE LOW. GALE CONDITIONS ARE 
EXPECTED TO BEGIN WITHIN THE NEXT 12 TO 18 HOURS. 

A GULF OF MEXICO COLD FRONT IS WELL DEFINED ON THE LATEST 
VISIBLE SATELLITE IMAGERY AND STRETCHES FROM THE EASTERN FLORIDA 
PANHANDLE TO 25N86.5W TO THE SW BAY OF CAMPECHE. MINIMAL GALE 
CONDITIONS ARE LOCATED W OF THE FRONT S OF 28N. WINDS WILL FALL 
BELOW GALE FORCE LATER THIS AFTERNOON OR TONIGHT. THE NEXT FRONT 
WILL MOVE OFF THE TEXAS COAST ON WEDNESDAY. THIS FRONT WILL BE 
WEAK AND WINDS NO HIGHER THAN 20 KNOTS EITHER SIDE OF IT.

WARNINGS...

ATLANTIC...
GALE WARNING N OF 26N BETWEEN 55W AND 65W IN ASSOCIATION WITH A 
1011 MB LOW CENTER NEAR 27N69W.

CARIBBEAN...
NONE. 

GULF OF MEXICO...
GALE WARNING S OF 28N W OF COLD FRONT...GMZ080...GMZ082...AND 
GMZ084.

FORECASTER CAB