000
AGXX40 KNHC 211758
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT FRI OCT 21 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...
HIGH PRES OVER THE SE U.S. WILL MAINTAIN ANTICYCLONIC FLOW AND A 
WEAK PRESSURE GRADIENT OVER MUCH OF THE GULF THROUGH THE 
WEEKEND...WITH MOSTLY LIGHT WINDS ACROSS THE AREA. WINDS ARE 
EXPECTED TO INCREASE TO 15-20 KT OVER THE SE GULF EARLY NEXT 
WEEK AS THE PRESSURE GRADIENT TIGHTENS BETWEEN LOW PRESSURE 
CENTER IN THE WESTERN CARIBBEAN HIGH PRES OVER THE SE UNITED 
STATES.

SW N ATLC S OF 31N W OF 55W...
WEAKENING STATIONARY FRONT FROM 31N70W TO EASTERN CUBA WILL 
WEAKEN TO A TROUGH SAT. A COLD FRONT WILL MOVE INTO THE NW PART 
OF THE AREA SUN NIGHT THEN BRUSH THE N PORTION OF THE AREA 
THROUGH TUE...THEN E OF THE AREA BY TUE NIGHT. HIGH PRES WILL 
BUILD IN THE WAKE OF THE FRONT. ELY WINDS BRIEFLY INCREASE TO 20 
KT N OF 25N W OF 75W TUE THEN DECREASE WED.

CARIBBEAN SEA AND TROPICAL N ATLC... 
A 1008 MB LOW PRES IN THE SW CARIBBEAN NEAR 14N80W IS FORECAST 
TO GRADUALLY MOVE NWD WHILE DEEPENING THROUGH THE WEEKEND.
THE LOW HAS A POSSIBILITY OF DEVELOPING INTO A TROPICAL CYCLONE. 
WINDS WILL INCREASE AROUND THE LOW AS IT MOVES TO THE NW. A 
TROUGH WILL MOVE INTO THE TROPICAL N ATLC THIS WEEKEND...AND 
INTO THE E CARIBBEAN SUN NIGHT...AND THE CENTRAL CARIBBEAN TUE 
NIGHT.

WARNINGS...

GULF OF MEXICO...
.NONE.

.CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE.

SW N ATLC...
.NONE.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS