000
AGXX40 KNHC 230558
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT WED MAR 23 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...
AN E TO W RIDGE ACROSS THE NORTHERN GULF WITH A 1019 MB HIGH 
PRES CENTER OFF THE W COAST OF FLORIDA NEAR 27N83W. THE THE 
HIGH WILL DISSIPATE DISSIPATE LATER TODAY WITH RIDGE FROM SW 
FLORIDA TO SE LOUISIANA. LOWER PRES OVER MEXICO COMBINED WITH 
THE HIGH OVER THE NE GULF IS SUPPORTING 15-20 KT SLY WINDS OVER 
THE NW GULF. AS THE HIGH WEAKENS THE PRES GRADIENT RELAXES AND 
THE SLY WINDS DECREASE TONIGHT. COLD FRONT APPROACHES THE FAR NE 
GULF ON THU THEN MOVES RAPIDLY E. WEAK PRES PATTERN FRI THEN SLY 
WINDS ONCE A GAIN INCREASE TO 15-20 KT OVER THE WESTERN GULF SAT
AND SUN.

SW N ATLC W OF 55W...
HIGH PRES RIDGE ALONG 26N WILL MOVE SE THIS EVENING AS A COLD 
FRONT MOVES RAPIDLY THROUGH THE NE PORTION OF THE AREA TODAY 
WITH WINDS INCREASING TO 20-25 KT N OF 30N. ANOTHER COLD FRONT 
WILL FOLLOW THU INTO EARLY FRI WITH THE RIDGE SUPPRESSED TO S OF 
25N. SW-W WINDS INCREASE TO 20-25 KT AHEAD OF THE FRONT. WEAK 
HIGH PRES BEHIND THE FRONT SAT WITH MOSTLY LIGHT WINDS. SW WINDS 
INCREASE OVER THE FAR NW PORTION SUN.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
THE PRES GRADIENT BETWEEN HIGH PRES TO THE N OF THE AREA AND LOW 
PRES OVER COLOMBIA IS MAINTAINING MODERATE TO STRONG NE TRADES 
ACROSS MUCH OF THE CARIBBEAN...WITH THE STRONGEST WINDS AS USUAL 
ALONG COAST OF COLOMBIA. THE GRADIENT WILL RELAX LATE THU WITH 
ELY WINDS MOSTLY IN THE 15-20 KT RANGE THROUGH THE WEEKEND.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS