000 AGXX40 KNHC 261820 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 215 PM EDT WED AUG 26 2009 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... A TROUGH OF LOW PRES EXTENDS FROM THE BIG BEND AREA OF FLORIDA SW TO 22N92W WITH AREAS OF SHOWERS AND TSTMS FLARING ALONG THIS BOUNDARY...MOSTLY OVER THE NE GULF. THE TROUGH WEAKENS THROUGH FRIDAY AS HIGH PRES BUILDS OVER THE NORTHERN GULF INTO EARLY NEXT WEEK. LIGHT TO MODERATE WINDS AND SEAS WILL PREVAIL THROUGH THIS PERIOD. CARIBBEAN... A TROPICAL WAVE ALONG 73W WILL MOVE THROUGH THE CARIBBEAN BASIN...REACHING THE NICARAGUAN COAST BY LATE THU. SCATTEROMETER SHOWS A BROAD AREA OF 20 KT WINDS ASSOCIATED WITH THIS LOW OVER THE EASTERN CARIBBEAN...AND THIS SWATH OF WINDS IS EXPECTED TO FOLLOW THE LOW THROUGH THE SW CARIBBEAN INTO SATURDAY. A JASON ALTIMETER PASS FROM EARLIER THIS MORNING INDICATED UP TO 9 FT SEAS ALREADY OFF THE VENEZUELAN COAST JUST EAST OF THE WAVE LOCATION. SEAS TO 9 FT CAN BE EXPECTED OVER THE NEXT TWO TO THREE DAYS MAINLY ALONG THE COLOMBIAN COAST WHERE WINDS WILL REACH 25 KT. ELSEWHERE OVER THE CARIBBEAN LIGHT TO MODERATE WINDS AND SEAS WILL PERSIST INTO THE WEEKEND...THEN INCREASE SLIGHTLY SUNDAY INTO MONDAY AS A RIDGE OF HIGH PRES BUILDS N OF THE AREA. SW N ATLC S OF 31N AND W OF 55W... TROPICAL STORM DANNY IS LOCATED NE OF BAHAMAS MOVING TO THE NW. A SCATTEROMETER PASS THIS MORNING AS WELL AS REPORTS FROM BUOY 41046 INDICATE THE STRONGEST WINDS ARE ON THE NE SIDE OF DANNY...BETWEEN THE STORM CENTER AND HIGH PRES OVER THE WESTERN ATLC. THIS IS LIKELY TO CHANGE THROUGH THU WITH WINDS INCREASING ON THE SOUTHERN HALF THE STORM. THE STRONGEST WINDS WILL BE CONFINED TO AN AREA GENERALLY N OF 24N BETWEEN 62W AND 77W. BUOY 41047 IS ALREADY REPORTING SEAS TO 15 FT...AND SEAS ARE EXPECTED TO BUILD AS HIGH AS 25 FT IN THE WATERS BETWEEN N FLORIDA AND BERMUDA BY FRI. MOST OF THE SHOWERS AND THUNDERSTORM ACTIVITY IS NOTED ON THE NE SIDE OF THE STORM AS WELL...ALTHOUGH SCATTERED CONVECTION IS LIKELY OVER THE WHOLE AREA NE OF THE BAHAMAS BY THU AS THE STORM SHIFT THROUGH THE AREA. SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMAT5/ WTPZ25 KNHC FOR MORE DETAILS ON DANNY. FOR THE TROPICAL ATLC...MODERATE TRADES PERSIST MAINLY N OF 15N...WITH SOME INDICATIONS TO 20 KT S OF 15N. A TROPICAL WAVE W OF THE AREA WILL PASS 55W AND APPROACH THE LESSER ANTILLES FRI INTO SAT...ALTHOUGH NO SIGNIFICANT IMPACT ON WINDS...SEAS...OR CONVECTION IS ANTICIPATED. WARNINGS ATLC... .TROPICAL STORM WARNING N OF 24N E TO 77W... CARIBBEAN... .NONE. GULF OF MEXICO... .NONE $$ FORECASTER CHRISTENSEN