000
AGXX40 KNHC 131819
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT TUE APR 13 2010

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

HIGH PRES RIDGE OVER GULF COAST STATES CONTINUE TO MODERATE 
BREEZE WINDS ACROSS MOST OF GULF OF MEXICO TONIGHT.  RIDGE 
STRENGTHENS WED AND THU WITH INCREASING WINDS ESPECIALLY IN SE 
GULF.  EAST-MOVING GULFSTREAM CURRENT AGAINST STRONG EASTERLY 
WIND EXPECTED TO BUILD HIGHER SEAS ALONG STRAITS OF FLORIDA.  
PRES GRADIENT WEAKEN IN SW GULF RESULTING IN LIGHTER WINDS 
THERE.  WIND EXPECTED TO DIMINISH BELOW 20 KT W OF 90W FRI AND 
ACROSS ENTIRE AREA SAT.

WEAK TROUGH OVER ATLC FROM 31N63W TO 27N75W DISSIPATE TONIGHT. 
HIGH PRES CENTER N OF AREA COMBINES WITH TROUGH OVER MONA 
CHANNEL TO PRODUCE STRONG NE WINDS ACROSS MUCH OF AREA WED WITH 
WINDS DIMINISHING OVER NW PORTION OF AREA THU AS TROUGH MOVES E 
INTO CENTRAL ATLC.  HIGH PRES MOVES SE INTO SW N ATLC FRI AND 
WINDS CONTINUE TO DIMINISH.  HIGH PRES MOVE E SAT LEAVING MAINLY 
LIGHT WINDS ACROSS MUCH OF AREA.
 
PRES GRADIENT ACROSS ENTIRE CARIBBEAN FALLS FLAT WITH LOW PRES 
TROUGH IN MONA CHANNEL.  LIGHT TO GENTLE BREEZE DOMINATE BASIN 
THROUGH FRI WHEN TROUGH MOVES NE INTO CENTRAL ATLC AND UPSTREAM 
RIDGE BUILDS IN ITS WAKE.

WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER WALLY BARNES