000 AGXX40 KNHC 091828 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 245 PM EDT WED JUN 09 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... THE FRONTAL BOUNDARY LOCATED ACROSS THE EASTERN PORTION OF THE GULF WATERS HAS DISSIPATED...LEAVING ANTICYCLONIC FLOW TO PREVAIL ACROSS THE BASIN. SURFACE DATA AND A RECENT ASCAT PASS SHOWED SE TO S WINDS OF 15 TO 20 KT OVER THE WESTERN PART OF THE GULF. LITTLE CHANGE IN THIS OVERALL PATTERN EXPECTED DURING THE NEXT FEW DAYS...UNTIL A NARROW RIDGE BUILDS W FROM THE ATLC ACROSS SRN FLORIDA AND INTO THE SE GULF...ESTABLISHING A MORE E TO SE FLOW THROUGH THE WEEKEND. 4-5 FT SEAS WITH SMALL ISOLATED AREAS TO 6 FT WILL PREVAIL ACROSS W HALF OF THE BASIN BEFORE WINDS BEGIN TO DIMINISH LATE SUN. EXPECT NE TO E WINDS OF 20 KT WITHIN 90 NM OF THE YUCATAN COAST EACH EVENING. CARIBBEAN SEA AND TROPICAL N ATLC... THE FIRST SIGNIFICANT TROPICAL WAVE OF THE SEASON IS MOVING WWD ACROSS THE WINDWARD ISLANDS PRODUCING SHOWERS AND GUSTY WINDS. AN EARLIER WINDSAT PASS SHOWED WINDS IN THE 20 TO 30 KT RANGE AND THE SUBSEQUENT ASCAT PASS INDICATED SIMILAR WIND SPEEDS. BUOY 41101 ALSO REPORTED SUSTAINED WINDS OF 25 KT AND SIGNIFICANT WAVE HIGH OF 10 FT. BASED ON ALL THESE DATA...WINDS WERE INCREASED TO 20 TO 30 KT ACROSS THE TROPICAL N ATLC BETWEEN 10N AND 17N. THIS WAVE IS EXPECTED TO CONTINUE WESTWARD WITH NO ADDITIONAL DEVELOPMENT AND WILL SPREAD SIMILAR CONDITIONS ACROSS THE SE CARIBBEAN THIS AFTERNOON THROUGH THU AND MOVE ACROSS THE S CENTRAL CARIBBEAN THU NIGHT THROUGH EARLY FRI...THEN ACROSS THE SW CARIBBEAN FRI AND FRI NIGHT. A SURFACE TROUGH EXTENDING FROM 18N80W TO 11N81W WILL DRIFT W DURING THE NEXT COUPLE OF DAYS REACHING CENTRAL AMERICA IN ABOUT 48 HOURS. E TO SE WINDS IN THE 15 TO 20 KT IS NOTED EITHER SIDE OF THE TROUGH AXIS PER A 1526 UTC ASCAT PASS. SW N ATLC... A COLD FRONT ENTERS THE FORECAST REGION NEAR 29N65W THEN CONTINUES SW TO NEAR 28N70W. AT THIS POINT...THE FRONT BECOMES STATIONARY EXTENDING TO THE NW BAHAMAS. AN ASCAT PASS FROM AROUND 1520 UTC INDICATED NE WINDS OF 20 KT JUST BEHIND THE FRONTAL BOUNDARY. THE FRONT WILL REMAIN NEARLY STATIONARY THROUGH THIS EVENING AND GRADUALLY WEAKEN THROUGH THU. A WEAK RIDGE WILL BUILD W ALONG 27N INTO THE BAHAMAS THU NIGHT AND FRI. A WEAK COLD FRONT WILL SINK S INTO NE WATERS LATE FRI INTO SAT THEN DISSIPATE. A NEW COLD FRONT WILL APPROACH THE NW WATERS SUN. MODERATE E TO SE TRADES WILL BUILD INTO THE SE BAHAMAS... REACHING 20 KT N OF THE WINDWARD PASSAGE THU NIGHT...WITH SEAS BUILDING THERE TO 6 FT. OTHERWISE MODEST WINDS AND SEAS. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER GR