000
AGXX40 KNHC 081751
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT SAT SEP 08 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...
STATIONARY LOW PRESSURE CENTER OVER THE NORTHERN GULF OF MEXICO 
HAS STARTED TO SHIFT EASTWARD. THIS LOW PRESSURE CENTER WILL 
CONTINUE MOVING EASTWARD INTO THE FLORIDA BIG BEND REGION 
TONIGHT. RECENT SCATTEROMETER...SHIP...BUOY...AND CMAN DATA 
INDICATE MODERATE TO FRESH SOUTHERLY WINDS ACROSS THE EASTERN 
GULF WITH LIGHT TO MODERATE WINDS ACROSS THE WESTERN GULF 
WATERS. SEAS ARE GENERALLY 3 TO 5 FT OVER THE FAR NE GULF...AND 
2 FT OR LESS ACROSS THE REMAINDER OF THE GULF WATERS. A COLD 
FRONT IS EXPECTED TO MOVE INTO THE NW GULF WATERS TONIGHT. THE 
FRONT WILL SHIFT ACROSS THE GULF WATERS THROUGH SUN BEFORE 
STALLING FROM S FLORIDA ACROSS THE CENTRAL GULF WATERS ALONG 26N 
BY MON. THE STATIONARY BOUNDARY WILL DISSIPATE BY MIDWEEK. HIGH 
PRESSURE WILL BUILD IN THE WAKE OF THE FRONT. 

SOUTHWEST NORTH ATLC S OF 31N W OF 55W...
TROPICAL STORM LESLIE IS CENTERED E OF THE SW N ATLC FORECAST 
AREA...HOWEVER TROPICAL STORM FORCE WINDS EXTEND INTO THE FAR NE 
ZONE. LATEST SCATTEROMETER...SHIP...AND BUOY OBSERVATIONS 
INDICATE LIGHT TO MODERATE WINDS GENERALLY PREVAIL ACROSS THE 
REMAINING SW N ATLC ZONES. LESLIE WILL CONTINUE TO MOVE 
NORTHWARD WITH TROPICAL STORM FORCE WINDS OVER THE FAR NE ZONE 
EXPECTED TO CONTINUE THROUGH SUN MORNING. LESLIE WILL SHIFT N OF 
31N BY MON WHEN ITS FORWARD SPEED WILL ACCELERATE AS THE SYSTEM 
MOVES FURTHER FROM THE AREA. LONG PERIOD SWELL GENERATED FROM 
LESLIE WILL CONTINUE TO PROPAGATE AWAY FROM THE SYSTEM AND 
THROUGH ALL LOCAL WATERS...AND HIT COASTS... REEFS...AND SHOALS 
OF LOCAL SHORELINES WITH STRONG AND PERSISTENT SURF. MODERATE TO 
HIGH SURF AND VERY STRONG RIP CURRENTS WILL PERSIST IN THESE 
SURF ZONES FOR THE NEXT FEW DAYS BEFORE ABATING...AND WILL BE 
PERSISTENT REGARDLESS OF TIDES. A COLD FRONT WILL MOVE INTO THE 
NW PORTION OF SUN AFTERNOON AND EVENING. THE FRONT WILL SHIFT 
EASTWARD THROUGH TUE...REACHING FROM 26N65W TO SOUTH FLORIDA BY 
TUE NIGHT WHERE IT WILL STALL. 

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
LONG PERIOD NLY SWELL FROM TROPICAL STORM LESLIE CONTINUES TO 
AFFECT THE ATLC PASSAGES OF THE NE CARIBBEAN. THE SWELL IS 
FORECAST TO LAST INTO EARLY SUN BEFORE SLOWLY SUBSIDING. THESE 
SWELLS WILL RESULT IN SEAS OF AROUND 5-8 FT...THEN SUBSIDE TO 
5-7 FT LATER ON SUN AND 3-5 FT MON THROUGH WED. LIGHT TO 
MODERATE E WINDS WILL PERSIST ELSEWHERE OVER MOST OF THE 
REGION...EXCEPT UP TO 20 KT IN THE S CENTRAL CARIBBEAN... AND 
OCCASIONALLY 15-20 KT IN THE GULF OF HONDURAS MAINLY AT NIGHT. 
WAVE HEIGHTS WILL REMAIN 6 FT OR LESS... BUILDING TO 7 FT ALONG 
AND OFFSHORE OF COLOMBIA THIS EVENING THROUGH SUN...WHERE SEAS 
ARE EXPECTED TO CONTINUE 6-8 FT THROUGH TUE NIGHT. 

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...
.AMZ115...TROPICAL STORM WARNING.
  
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER AL