000 AGXX40 KNHC 141837 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 240 PM EDT WED APR 14 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W SW N ATLC AND TROPICAL ATLC... WEAK TROUGH ACROSS MONA CHANNEL AND HIGH PRES RIDGE OVER SE STATES SQUEEZE GRADIENT TO FORCE STRONG NE WINDS ACROSS SW SW N ATLC...BAHAMAS ISLANDS AND FUNNELING INTO STRAITS OF FLORIDA. EAST BOUND GULF STREAM CURRENT FACING NEAR GALE FORCE WINDS BUILD SEAS HIGHER THAN USUAL. TROUGH STRENGTHENS AND DRIFTS NE EVENTUALLY DEVELOPING LOW PRES 1010 MB THU BRINGING STRONGER NE WINDS INTO TROPICAL ATLC. BY FRI...TROUGH HAS MOVED OUT OF FORECAST WATERS. HIGH PRES RIDGE OVER SE STATES MOVE SE INTO SW N ATLC LATE FRI AND EFFECTIVELY FLATTENS GRADIENT WITH MODERATE BREEZE TAKING OVER BASIN. WEAK COLD FRONT ENTERS NW CORNER EARLY SUN BRINGING FRESH NE BREEZE BEHIND IT. CARIBBEAN... PRES GRADIENT BETWEEN STRONG HIGH PRES N OF AREA AND BROAD LOW PRES OVER THE SOUTHERN AND EASTERN CARIBBEAN BRINGS STRONG E BREEZE ACROSS NW CARIBBEAN N OF 18N THROUGH FRI. BY SAT GRADIENT FLATTENS AND WINDS BECOME LIGHT TO MODERATE THROUGH REMAINDER OF FORECAST PERIOD. ELSEWHERE TROUGH OVER MONA CHANNEL MAINTAINS FLAT GRADIENT WITH LOW PRES OVER COLOMBIA KEEPING LIGHT TO MODERATE WINDS OVER REMAINDER OF CARIBBEAN. GULF OF MEXICO... HIGH PRES OVER GULF STATES MAINTAIN STEADY FLOW OF STRONG E BREEZE THROUGH MOST OF BASIN. SEAS BUILD TO 12-14 FT AS GRADIENT FUNNELS WINDS ACROSS STRAITS OF FLORIDA INTO GULF. HIGH PRES WEAKENS SIGNIFICANTLY AND DRIFT SE INTO SW N ATLC EASING GRADIENT IN GULF SAT. UNCERTAINTY TAKES OVER AFTER SAT AS GFS DEVELOPS TROUGH AND EVENTUALLY 1009 MB LOW PRES JUST N OF YUCATAN PENINSULA WHILE NAM SOLUTION INCLUDES BADLY DEFINED TROUGH THROUGHOUT. ECM COMPLICATES PICTURE WITH DELAYED LOW PRES OVER WESTERN GULF. OUTLOOK FORECAST INCLUDES A WEAK LOW PRES OVER EASTERN GULF SUN AND MON. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES