000 AGXX40 KNHC 100807 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 405 AM EDT THU JUN 10 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 NE PORTIONS OF THE GULF WATERS HAS DISSIPATED...LEAVING LIGHT TO MODERATE ANTICYCLONIC FLOW TO PREVAIL ACROSS THE BASIN. LITTLE CHANGE IN THIS OVERALL PATTERN IS EXPECTED DURING THE NEXT FEW DAYS...UNTIL A NARROW RIDGE BUILDS W FROM THE ATLC ACROSS SRN FLORIDA AND INTO THE NE GULF SAT NIGHT-SUN...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 AIDING IN ENHANCING FLOW ACROSS MUCH OF THE WRN GULF TO 15-20 KT LATE EACH AFTERNOON. CARIBBEAN SEA AND TROPICAL N ATLC... THE FIRST SIGNIFICANT TROPICAL WAVE OF THE SEASON HAS MOVED JUST W OF THE WINDWARD ISLANDS OVERNIGHT...PRODUCING SQUALLS AND TSTMS AND GUSTY WINDS SPREAD FROM S PORTIONS OF THE TROPICAL ATLC W-NW INTO THE ERN CARIB ALONG 68W. A LOW-MID LEVEL PERTURBATION ASSOCIATED WITH THIS WAVE HAS CONTINUED JUST AHEAD OF THE WAVE AXIS AND WAS ALONG 68W AND NEAR THE LEADING EDGE OF THE ASSOCIATED LLVL WIND SURGE. LITTLE DATA IS AVAILABLE THIS MORNING TO SUBSTANTIATE WINDS ACROSS THE E AND SE CARIBBEAN. HOWEVER BUOY 42060 IS PRESENTLY NEARING 7 FT IN 6 AND 8 SECOND WIND SWELL...WHILE 42059 REMAINS 6 FT AT 6-7 SECONDS. WINDS BEHIND THE WAVE ACROSS THE TROPICAL ATLC HAVE ALREADY BEGUN TO BACK TO E-NE 15-20 KT WITH BUOYS DROPPING TO 5-6 FT PAST FEW HOURS. DUE TO THE SAL AHEAD AND ACROSS THE TOP OF THIS WAVE...SQUALLS AND VERY GUSTY WINDS SHOULD BE EXPECTED WITH THIS WAVE AS IT MOVES ACROSS THE SE AND S CENTRAL CARIB NEXT 48 HOURS...AND THE FORECAST FOR 20 TO 30 KT WILL REMAIN IN EFFECT ACROSS THE CARIBBEAN S OF 16N. LLVL WIND SURGES ASSOCIATED WITH TWO PREVIOUS TROPICAL WAVES MOVING ACROSS THE EPAC HAVE MOVED W-NW INTO THE SW CARIB AND NW CARIB TONIGHT AND WILL ACT TO FRESHEN THE FLOW THERE NEXT 24-26 HOURS. WITH THE EPAC ITCZ EXTENDING E-NE INTO THE SW CARIB ALONG 11N...THE TYPICAL CARIBBEAN JET HAS SHIFTED SLIGHTLY N OF NORMAL...AND STRONGEST WINDS AND HIGHER SEAS WILL SHIFT FROM 12.5 TO 17N ACROSS THE W HALF OF THE BASIN DURING THE NEXT 48 HOURS...BUILDING SEAS TO 8 FT AND GREATER FROM THE CENTRAL CARIB S OF HISPANIOLA W-NW TO NEAR 18N83W OVER THE WEEKEND. LOOK FOR DIMINISHING WINDS AND SEAS BEHIND THE WAVE...FROM THE TROPICAL ATLC LATER TODAY...INTO THE E CARIB FRI...TO 70W BY SUN MORNING. SW N ATLC... WEAK FRONTAL BOUNDARY STRUNG OUT FROM NE PORTIONS TO THE NW BAHAMAS HAS BEGUN TO DRIFT N AS FORECAST BY MODELS...WITH WEAK RIDGING BEGINNING TO BUILD SW TOWARDS THE WATERS E OF THE BAHAMAS ATTM. THE WEAK RIDGE WILL BUILD W ALONG 27N INTO THE BAHAMAS TONIGHT AND FRI AND BEGIN TO FRESHEN THE E TO SE TRADES S OF 22-23N...BUILDING INTO THE FAR SE BAHAMAS. 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. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER STRIPLING