000 AGXX40 KNHC 071847 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 250 PM EDT FRI MAY 07 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... WEAK FRONTAL TROUGH ACROSS NE GULF WILL SLOWLY LIFT N AND INTO THE N COASTS BY THIS AFTERNOON AS A WEAK HIGH PRES FORMING OVER THE EASTERN GULF OF MEXICO EXPANDS W AND NW. SOUTHERLY RETURN FLOW IS INCREASING OVER THE FAR WESTERN WATERS AS LOW PRES DEEPENS AHEAD OF A COLD FRONT THAT WILL DROP S ALONG THE NORTHERN GULF COAST SAT MORNING AND REMAIN NEARLY STATIONARY ACROSS W PORTIONS WHILE DROPPING S ACROSS THE E PORTIONS OF THE GULF...REACHING FROM S CENTRAL LOUISIANA TO NEAR THE TAMPA BAY AREA SUN AFTERNOON BEFORE DISSIPATING AND LIFTING N OF AREA LATE SUN INTO MON. HIGH PRES IN THE WAKE OF THE FRONT WILL THEN BUILD S ACROSS THE GULF LATE SAT THROUGH TUE AS LOW PRES AGAIN INTENSIFIES W OF THE AREA. THE YUCATAN DIURNAL SEABREEZE WILL CONTINUE TO FLARE TO 20 KT LATE AFTERNOON THROUGH EARLY NIGHT THROUGH THE WEEKEND. SW N ATLANTIC S OF 31N W OF 55W... A 1022 MB HIGH JUST E OF THE AREA NEAR 30N54W WITH RIDGE EXTENDING W ACROSS THE SW N ATLC WILL RETREAT E LATE SUN THROUGH MON AS A COLD FRONT DROPS S INTO THE FAR N WATERS LATE SAT NIGHT FOLLOWED BY NLY WINDS OF 20 KT. THE FRONT WILL REACH FROM 31N70W TO SOUTH FLORIDA SUN AND FROM 31N64W TO NEAR THE NW BAHAMAS SUN NIGHT. THE FRONT WILL WEAKEN FROM 28N35W TO THE CENTRAL BAHAMAS MON AND GRADUALLY DISSIPATE THROUGH TUE AS A LARGE AREA OF STRONG HIGH PRES BUILDS S INTO THE REGION. THIS HIGH PRES WILL BRING AN INCREASE IN WINDS AND SEAS ACROSS THE AREA PARTICULARLY S OF 24N. CARIBBEAN SEA AND TROPICAL N ATLC... THE ATLC HIGH PRES RIDGE...CENTERED ON A 1022 MB HIGH SE OF BERMUDA NEAR 30N54W...WILL SHIFT E-SE THROUGH SUN AS A COLD FRONT MOVES SE INTO THE NE GULF AND ACROSS N FLORIDA. HIGH PRES WILL BUILD SE ACROSS THE SW N ATLC LATE SUN THROUGH TUE TO GREATLY INCREASE THE PRES GRADIENT ACROSS THE CARIBBEAN AND PRODUCE FRESH TO STRONG TRADE WINDS. A TROPICAL WAVE CURRENTLY WELL E OF THE AREA...S OF 12N AND ALONG 42W...WILL ENTER S PORTIONS OF THE TROPICAL N ATLC WATERS SUN NIGHT. NE WINDS OF 20 KT ARE NOTED AHEAD OF THE WAVE AXIS WITH SEAS IN THE 6-7 FT RANGE. A COUPLE OF WEAK TROUGHS ARE SEEN ACROSS THE AREA. ONE IS MOVING ACROSS PUERTO RICO AND REGIONAL WATERS PRODUCING SCATTERED SHOWERS AND ISOLATED TSTMS. THIS FEATURE WILL MOVE NW TOWARDS THE SE BAHAMAS. ANOTHER ONE IS OVER THE NE PORTION OF THE TROPICAL N ATLC AND IS ALSO PRODUCING SOME SHOWER ACTIVITY. WINDS EITHER SIDE OF THESE TROUGHS ARE IN THE 10 TO 15 KT RANGE. AN ASCAT PASS FROM THIS MORNING CORROBORATED THESE WIND SPEEDS. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER STRIPLING