000
AGXX40 KNHC 211720
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
309 AM EST SUN DEC 21 2008

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

RADIOFAX SCHEDULE FOR GRAPHICAL WIND WAVE...SURFACE FORECAST AND 
PEAK WAVE PERIOD CHARTS HAS CHANGED. FOR THE ATLANTIC BASIN THIS 
INCLUDES 24...36...48 AND 72 HOUR WIND WAVE..24...48..72 HOUR 
SURFACE FORECAST AND 48 AND 72 HOUR PEAK WAVE PERIOD CHARTS.
FOR ADDITIONAL INFORMATION PLEASE REFER TO THE FAX SCHEDULE ON 
THE NHC WEB SITE AT HTTP://WWW.NHC.NOAA.GOV/RADIOFAX.SHTML

COLD FRONT ALONG THE NORTHERN GULF OF MEXICO FROM THE FLORIDA 
PANHANDLE TO NEAR BROWNSVILLE TEXAS. THE FRONT MOVES RAPIDLY
AND WILL EXTEND FROM SW FLORIDA TO 20N96W LATE TONIGHT THEN E OF 
THE AREA MON AFTERNOON. WINDS N OF THE FRONT BRIEFLY INCREASE TO 
GALE FORCE TONIGHT AND EARLY MON. STRONG HIGH PRES BUILDS BEHIND 
THE FRONT THEN SHIFTS EWD TUE WITH WINDS BECOMING SLY OVER THE 
WESTERN GULF TUE AND WED THEN DECREASE THU AND FRI. 

A 1019 MB HIGH PRES CENTER OVER THE NORTHERN BAHAMAS NEAR 26N78W 
WILL MOVE EWD AS A COLD FRONT MOVES OFF THE SE U.S. COAST LATER 
TONIGHT. THE FRONT WILL EXTEND FROM 31N71W TO THE STRAITS OF 
FLORIDA EARLY MON...THEN MOVE E OF THE AREA TUE. NLY WINDS 
INCREASE TO 20 KT W OF THE FRONT THEN SHIFT TO NE TUE THEN 
BECOME E-SE WED THROUGH FRI.
 
TRADES IN THE 15-20 KT RANGE ACROSS MUCH OF THE CARIBBEAN. COLD 
FRONT APPROACHES THE YUCATAN CHANNEL LATE MON THEN STALLS. HIGH 
PRES STRENGTHENS ACROSS THE ATLC TUE AND TIGHTENS THE GRADIENT
ACROSS THE AREA WITH WINDS INCREASING TO 20-25 KT THROUGH FRI.

ATLANTIC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
GALE WARNING...GMZ080

FORECASTER DGS. TROPICAL PREDICTION CENTER.