000
AGXX40 KNHC 300831
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM EDT SUN AUG 30 2009

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
WEAK DISSIPATING STATIONARY FRONT EXTEND FROM N FLORIDA TO S 
TEXAS COAST DISSIPATE THROUGH THU.  HIGH PRES DRIFT S FORCED BY 
FRONT REMAIN ALONG 25N THROUGH THU THEN MOVE N TO COASTAL WATERS 
BY SUN NIGHT.  LIGHT TO GENTLE N BREEZE N OF FRONT WHILE GENTLE 
W ONE FLOWS BETWEEN FRONT AND RIDGE.  ALONG S PERIPHERY OF RIDGE 
GENTLE BREEZE BECOME MODERATE NEAR YUCATAN PENINSULA IN THE 
EVENINGS. 

CARIBBEAN AND TROPICAL N ATLC W OF 55W...
FRESH TO STRONG TRADE WINDS CONTINUE TO BLOW ACROSS CENTRAL 
CARIBBEAN PARTICULARLY S OF 15N WITH STRONGER WINDS TO 25 KT 
ALONG COAST OF COLOMBIA.  SEAS BUILD TO 9 FT. THESE CONDITIONS 
ARE ASSOCIATED WITH TROPICAL WAVE ALONG 69W AND ARE EXPECTED TO 
DIMINISH AS WAVE AXIS MOVES W OF 80W LATE TUE AND PRES GRADIENT 
RELAXES.  MODELS SUGGEST THAT NEW LOW PRES CENTER WILL FORM NEAR 
COLOMBIA AND WINDS START AGAIN...BUT APPROACH OF SECOND EXISTING 
LOW PRES MOVING NW THROUGH TROPICAL ATLC MIGHT DAMPER GRADIENT 
ENOUGH TO CURTAIL INCREASE IN WINDS LATE IN THE WEEK.

SW N ATLC S OF 31N AND W OF 55W...
WITH DANNY OUT OF VIEW WIND AND SEAS RETURNING TO NORMAL AS ATLC 
RIDGE TRIES TO REBUILD...BUT TROPICAL WAVE ALONG 44W WITH 
EMBEDDED LOW PRES CENTER 1009 MB NEAR 11N44W LIKELY TO STIR UP 
CONDITIONS AGAIN.  GLOBAL MODELS BRING WEAK LOW PRES CENTER INTO 
N TROPICAL ATLC ALMOST AS AN OPEN TROUGH AS HOSTILE UPPER LEVEL  
ENVIRONMENT TAKES ITS TOLL THROUGH NEXT THREE DAYS...THEN TURN 
IT MORE NW-N PASSING VERY CLOSE OR SLIGHTLY DENTING 65W.  ANY 
IMPACT ON SW N ATLC WATERS EXPECTED TO HAPPEN BEYOND FORECAST 
PERIOD.

WARNINGS

ATLC...
.NONE

CARIBBEAN...
.NONE. 

GULF OF MEXICO...
.NONE

$$
FORECASTER WALLY BARNES