000
AGXX40 KNHC 051800
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT FRI OCT 5 2012

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 DISSIPATING SURFACE TROUGH EXTENDS OVER THE SW GULF WATERS. 
OTHERWISE HIGH PRESSURE AND ANTICYCLONIC FLOW PREVAIL OVER THE 
GULF WATERS. LATEST SCATTEROMETER...SHIP...AND BUOY DATA DEPICT 
GENTLE TO MODERATE WINDS PREVAIL ACROSS THE GULF WATERS. SEAS 
ARE GENERALLY 2 TO 3 FT OVER THE SW GULF WATERS...AND 1 TO 2 FT 
OVER THE REMAINDER OF THE FORECAST AREA. THE TROUGH WILL SLOWLY 
DISSIPATE OVER THE NEXT 24 HOURS. OTHERWISE...HIGH PRESSURE WILL 
PREVAIL OVER THE GULF WATERS THROUGH SAT EVENING WITH GENTLE TO 
MODERATE ANTICYCLONIC WINDS PREVAILING. A COLD FRONT IS EXPECTED 
TO MOVE OFF THE TEXAS COAST SAT NIGHT WITH FRESHENED WINDS 
BEHIND THE FRONT. THE FRONT WILL REACH FROM THE FLORIDA 
PANHANDLE TO SOUTHERN TEXAS SUN MORNING...THEN REACH FROM N 
CENTRAL FLORIDA TO SOUTHERN TEXAS MON MORNING WHERE IT WILL 
STALL. 

SOUTHWEST NORTH ATLC S OF 31N W OF 65W...
HIGH PRES RIDGE EXTENDS OVER THE NW PART OF THE FORECAST AREA. A 
SURFACE TROUGH HAS MOVED INTO THE FAR E PART OF THE SW N ATLC 
BASIN. LATEST SCATTEROMETER...SHIP...AND BUOY DATA DEPICT LIGHT 
TO GENTLE WINDS OVER THE NW PART OF THE AREA IN THE VICINITY OF 
THE RIDGE...AND GENTLE TO MODERATE WINDS OVER THE REMAINDER OF 
THE AREA. SEAS ARE GENERALLY 2 TO 3 FT OVER THE NW PART OF THE 
AREA AND 4 TO 6 FT E OF THE BAHAMAS...WITH SEAS 2 TO 4 FT W OF 
THE BAHAMAS. LOW PRES IS FORECAST TO FORM ALONG THE TROUGH AS 
THE FEATURE SHIFTS WESTWARD. THE TROUGH AND LOW PRESSURE AREA 
DRIFT WESTWARD OVER THE SOUTHERN PART OF THE FORECAST AREA THIS 
WEEKEND. THE LOW PRESSURE CENTER WILL DISSIPATE SUN WITH THE 
SURFACE TROUGH CONTINUING TO DRIFT W REACHING THE CENTRAL 
BAHAMAS EARLY NEXT WEEK.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
WITH HIGH PRESSURE WEAKENING N OF THE AREA...TRADES HAVE 
DIMINISHED BELOW ADVISORY CRITERIA OVER THE CARIBBEAN WATERS. 
THERE ARE TWO TROPICAL WAVES OVER THE AREA. ONE TROPICAL WAVE IS 
CENTERED OVER THE CENTRAL CARIBBEAN WHILE THE OTHER TROPICAL 
WAVE IS CENTERED OVER THE TROPICAL N ATLC WATERS. LATEST 
SCATTEROMETER...SHIP...AND BUOY DATA DEPICT GENTLE TO MODERATE 
TRADEWINDS ACROSS MUCH OF THE AREA. SEAS ARE 5 FT ORE LESS 
ACROSS THE FORECAST AREA. THE TROPICAL WAVE IN THE CENTRAL 
CARIBBEAN WILL MOVE THROUGH THE WESTERN CARIBBEAN SAT AND SUN. 
THE TROPICAL WAVE IN THE TROPICAL N ATLC WATERS WILL MOVE INTO 
THE EASTERN CARIBBEAN SAT...THE CENTRAL CARIBBEAN SUN AND 
MON...AND THE WESTERN CARIBBEAN TUE. 

NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE

GULF OF MEXICO...
.NONE.

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

SW N ATLANTIC...
.NONE.
  
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER AL