000
AGXX40 KNHC 011840
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
245 PM EDT SAT OCT 01 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...
A COLD FRONT EXTENDING FROM SOUTH FLORIDA TO 24N90W TO NE MEXICO 
WILL MOVE SE OF AREA TONIGHT. FRESH NLY WINDS AND BUILDING SEAS 
OF UP TO 8 FT CAN BE FOUND IN THE WAKE OF THE FRONT. 
SCATTEROMETER AND SURFACE DATA PROVIDED OBSERVATIONS OF THE 
FRESH WINDS BEHIND THE FRONT. WINDS AND SEAS WILL GRADUALLY 
DIMINISH SUN INTO MON...THEN STRENGTHEN OVER THE SE PORTION OF 
THE GULF TUE AND WED AS HIGH PRES N OF AREA BUILDS IN. WINDS 
WILL GRADUALLY INCREASE TO 20 KT ACROSS THE SE PORTION OF THE 
GULF AND THE STRAIT OF FLORIDA AT THE END OF THE FORECAST PERIOD 
WITH BUILDING SEAS TO AROUND 6 FT.

CARIBBEAN SEA...
A WEAK COLD FRONT...CURRENTLY MOVING ACROSS THE GULF OF 
MEXICO...WILL ENTER THE NW CARIBBEAN TONIGHT AND IS FORECAST TO 
REMAIN NEARLY STATIONARY OVER THE NW CARIBBEAN OVER THE NEXT 
COUPLE OF DAYS. TROPICAL CYCLONE PHILIPPE WILL PASS N OF AREA 
EARLY NEXT WEEK PRODUCING SOME INCREASE IN WINDS AND SEAS OVER 
THE N PORTION OF THE TROPICAL N ATLC BY TUE. 

EASTERLY TRADES ARE IN THE 15-20 KT RANGE ACROSS THE EASTERN 
CARIBBEAN. THESE CONDITIONS ARE FORECAST TO SPREAD W TO ALONG 
75W EARLY SUN. NE FLOW WILL INCREASE OVER THE NW WATERS TO 15 KT 
SUN BEHIND THE COLD FRONT. GRADIENT BEGINS TO RELAX THROUGHOUT 
CARIBBEAN SEA ON MON NIGHT...AND CONTINUES THROUGH WED...AS 
TROPICAL CYCLONE PHILIPPE TRACKS W OVER ATLC ALONG ABOUT 
26N-27N.   

TROPICAL N ATLC AND SW N ATLC S OF 31N W OF 55W...
HURCN OPHELIA AND ITS ASSOCIATED CONDITIONS WILL MOVE N OF THE 
AREA TONIGHT. HOWEVER...W TO NW WINDS OF 15 TO 25 KT ASSOCIATED 
WITH THE CYCLONIC CIRCULATION OF THIS TROPICAL CYCLONE ARE 
STILL AFFECTING THE NE PORTION OF THE ZONE BUT ARE EXPECTED TO 
DIMINISH BELOW 20 KT LATE TONIGHT. 

A COLD FRONT...CURRENTLY EXTENDING FROM 31N75W TO S FLORIDA...  
WILL REACH FROM 31N72W TO THE STRAIT OF FLORIDA TONIGHT...AND 
FROM 31N70W TO THE STRAIT OF FLORIDA EARLY SUN...FROM 31N67W TO 
WESTERN CUBA LATE SUN THEN STALL AND GRADUALLY DISSIPATE THROUGH 
WED. EXPECT INCREASING WIND AND BUILDING SEAS E OF 68W WED AS 
TROPICAL CYCLONE PHILIPPE MOVES JUST E OF THE ZONE.

WARNINGS...
GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

TROPICAL N ATLC...
.NONE.

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

$$
FORECASTER GR