000 AGXX40 KNHC 290817 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 420 AM EDT SAT MAY 29 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... WEAK HIGH PRES 1011 MB OVER WESTERN GULF AT 25N94W HAS RIDGE EXTEND E ALONG 25N TO SOUTH FLORIDA. FLAT PRES GRADIENT PROVIDE LIGHT BREEZE AND ASSOCIATED SLIGHT SEAS ACROSS ENTIRE BASIN. HIGH PRES DISSIPATES TONIGHT AND ALLOWS ATLC RIDGE TO EXPAND W INTO GULF WATERS THROUGH WED. GFS ONLY OUTLIER BRINGING LOWER PRESSURES INTO GULF LATE IN PERIOD...NEVERTHELESS ADVERSE ENVIRONMENT ALOFT AND STRENGTH OF ATLC HIGH PRES MAKES GFS SOLUTION UNLIKELY. SW N ATLC... NW QUADRANT OF LOW PRES CENTER 1004 MB E OF FORECAST WATERS PROVIDE STRONG BREEZE OVER NE CORNER OF BASIN TODAY. LOW CENTER CONTINUES TO MOVE AWAY AS BROAD HIGH PRES RIDGE SETTLES OVER SW N ATLC THROUGH REMAINDER OF FORECAST PERIOD DIMINISHING WINDS TO A MODERATE TO FRESH BREEZE. WEAK TROUGH EXTEND SW FROM LOW PRES INTO NORTHERN FRINGES OF TROPICAL N ATLC WITH WIDE DIFFERENCES IN GUIDANCE SOLUTIONS. AGAIN GFS SEEMS MORE AGGRESSIVE DEVELOPING LOW PRES CENTER WITH STRONG WINDS WHILE ECMWF...NOGAPS AND NAM REMAIN WITH WEAK TROUGH AND OUR SUPPORT NOTWITHSTANDING LOW PRESSURES AND HIGH MOISTURE CONTENT IN THE AREA. INFLUENCE FROM BUILDING RIDGE OVER SW N ATLC MAY BE THE DIFFERENCE. TROPICAL ATLC AND CARIBBEAN... LOW PRES TROUGH ACROSS CENTRAL AND WESTERN CARIBBEAN FROM HISPANIOLA TO NICARAGUA EXPECTED TO REMAIN QUASI STATIONARY OR DRIFT E WITH POSSIBILITY OF FORMING LOW PRES THAT WOULD MOVE NE INTO NORTHERN FRINGES OF TROPICAL ATLC . TROUGH INDUCES FLAT PRES GRADIENT ACROSS ENTIRE BASIN WITH LIGHT TO GENTLE BREEZE THROUGH LATE MON. WEAK TROPICAL WAVE MOVES ACROSS EASTERN CARIBBEAN ZONE S OF 12N TUE AND WED POSSIBLY BRINGING FRESH NE WINDS ALONG COAST OF COLOMBIA. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES