000
AGXX40 KNHC 201747
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT THU OCT 20 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 HAS CLEARED THE GULF AND NLY WINDS ARE DECREASING AS 
HIGH PRES BUILDS. LARGE SWELLS ACROSS THE EASTERN HALF OF THE 
GULF WILL BE CONFINED TO THE SE GULF TONIGHT THEN SUBSIDE TO 
BELOW 8 FT EARLY FRI. A RATHER WEAK WEATHER PATTER OVER THE 
WEEKEND WITH WINDS 15 KT OR LESS. NE WINDS ARE EXPECTED TO 
INCREASE TO 15-20 KT ACROSS THE SE GULF MON AS THE PRES GRADIENT 
TIGHTENS BETWEEN THE HIGH PRES TO THE N AND A TROUGH IN THE NW 
CARIBBEAN.

SW N ATLC S OF 31N W OF 55W...
COLD FRONT FROM 31N73W TO CENTRAL CUBA WILL STALL AND WEAKEN 
FROM 31N70W TO CENTRAL CUBA TONIGHT. WINDS BECOME LIGHT AS THE 
FRONT WEAKENS TONIGHT. THE FRONT WEAKENS FURTHER TO A TROUGH 
FROM 31N70W TO CENTRAL CUBA FRI. THE TROUGH DRIFTS W OVER THE 
WEEKEND THEN DISSIPATES BY TUE. WINDS WILL BE 15 KT OR LESS.

CARIBBEAN SEA AND TROPICAL N ATLC... 
COLD FRONT FROM CENTRAL CUBA TO HONDURAS...WITH NLY WINDS 20 KT 
W OF THE FRONT. THE FRONT BECOMES STATIONARY FROM CENTRAL CUBA 
TO NICARAGUA FRI THEN THEN DRIFTS TO THE W SUN THROUGH TUE.
THE GFS DEVELOPS AND LOW IN THE SW CARIBBEAN SAT AND MOVES IT TO 
THE NW TO NICARAGUA MON. THE GFS IS RATHER STRONG WITH THIS 
FEATURE SO WILL PLAY DOWN.


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