000
AGXX40 KNHC 251832
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EST TUE JAN 24 2011

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

GULF OF MEXICO...
COLD FRONT EXTENDS FROM A 1008 MB LOW PRES JUST INLAND ALONG THE 
CENTRAL LOUISIANA COAST NEAR 30N92W TO 21N97W. MODELS HAVE 
BACKED OFF THE WINDS WITH WINDS MAINLY AROUND 20 KT. THE FRONT 
WILL EXTEND FROM SW FLORIDA TO YUCATAN PENINSULA EARLY WED AND 
THEN MOVE E OF THE AREA BY WED AFTERNOON. WINDS DECREASE FROM W 
TO E WITH WINDS BELOW 20 KT ACROSS THE ENTIRE GULF WED NIGHT AS 
HIGH PRES BUILDS OVER THE WESTERN GULF. VERY WEAK PRES GRADIENT 
WITH LIGHT WINDS FRI THROUGH SUN. 

SW N ATLC...
DISSIPATING STATIONARY FRONT CURRENTLY FROM 22N65W TO 22N74W WILL
DISSIPATE TONIGHT. HIGH PRES AS STRENGTHENED N OF THE AREA AND 
ELY WINDS HAVE INCREASED TO 20-25 KT S OF 25N. SLY WINDS HAVE 
ALSO INCREASED TO 20-25 KT OVER THE NW PORTION OF THE AREA AHEAD 
OF THE NEXT APPROACHING COLD FRONT. SLY WINDS ARE FORECAST TO 
INCREASE TO GALE FORCE AHEAD OF THE FRONT TO N OF 29N W OF 
AROUND 75W WED. THE FRONT MOVES RAPIDLY TO THE E AND EXTENDS 
FROM 31N68W TO CENTRAL CUBA THU AND WINDS DECREASE TO BELOW GALE 
FORCE. THE FRONT WILL WEAKEN ALONG 29N65W TO EASTERN CUBA FRI. 
THEN DISSIPATING FROM 26N65W TO 23N 69W SAT ANDWILL BECOME 
DIFFUSE ON SUN AS HIGH PRES RIDGE BUILDS ALONG 27N. VERY LIGHT 
PRES GRADIENT ACROSS THE AREA OVER THE WEEKEND WITH MOSTLY 
VARIABLE WINDS 5-10 KT.

CARIBBEAN AND TROPICAL N ATLC...
GALE WARNING HAS BEEN ISSUED FOR THE S CENTRAL CARIBBEAN FROM 
11N-15N BETWEEN 70W AND 77W...THREE SHIPS REPORTED WINDS BETWEEN 
35-45 KT. MODEL GUIDANCE SHOWS NO EVIDENCE OF GALE FORCE WINDS 
SO WILL KEEP GALE FORCE WINDS THROUGH TONIGHT. OTHERWISE
ELY TRADES HAVE INCREASED TO 20-25 KT ACROSS THE CARIBBEAN S OF 
17N E OF 80W. THE WINDS DECREASE THU AND FRI AS THE ATLC HIGH 
MOVES E IN RESPONSE TO A COLD FRONT THAT WILL MOVE INTO THE NW 
CARIBBEAN AND EXTEND FROM CENTRAL CUBA TO GULF OF HONDURAS EARLY 
THU  THEN DISSIPATES FRI. NLY WINDS INCREASE TO 20 KT NEAR THE 
YUCATAN CHANNEL. TRADES ONCE AGAIN INCREASE TO 25 KT OVER THE S 
CENTRAL CARIBBEAN HAS THE ATLC HIGH BUILDS TO THE N.

WARNINGS..

ATLC...
.GALE WARNING N OF 29N WED...AMZ080.

CARIBBEAN...
.GALE WARNING FROM 11N-15N BETWEEN 70W AND 77W...AMZ084.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS