000 AGXX40 KNHC 271724 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 PM EDT FRI JUN 27 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... UPPER LEVEL TROUGH FROM CYCLONIC VORTEX AT 25N65W DRIFT SE FORCED BY BROADENING ANTICYCLONE OVER WRN TIP OF CUBA. ABUNDANT TRPCL MOISTURE ADVECTED NE FROM YUCATAN ACROSS GLFMEX TO FLORIDA PENINSULA INTO NW CORNER OF SW N ATLC. TIGHTLY WOUND CYCLONIC VORTEX AT 25N94W COMBINES WITH ANTICYCLONE TO PRODUCE DIFFLUENT FLOW OVER CENTRAL GLFMEX ENHANCING CONVECTION. CREST OF WEAK TRPCL WAVE NOW ALONG 89W CONTRIBUTING WITH UPLIFT FOR TSTMS. BROADENING RIDGE BRINGS DRY AIR MASS TO WRN CARIBBEAN WITH ONLY WIND CONVERGENCE PRODUCING LINE OF TSTMS ALONG SW COAST OF BASIN. ERN CARIBBEAN UNDER INFLUENCE OF MID-UPPER LEVEL RIDGE CENTERED AT 14N50W WITH PLENTY OF TRPCL MOISTURE ADVECTED N AND NE FROM VENZUELA TO WINDWARD ISLANDS AND N PORTIONS OF TRPCL ATLC. GULF OF MEXICO... SFC RIDGE ALONG 29N SHOULD MAINTAIN PSN THROUGH FORECAST PERIOD MAINTAINING SE FLOW ACROSS MOST GLFMEX...IF ANYTHING INCREASING TEMPORARILY RETURN FLOW W OF 94W ONCE TRPCL WAVE AXIS NOW ALONG 90W PASSES W OF 94W...WITHIN 24 HRS. MODERATE E WIND BLOWING AGAINST GULFSTREAM OVER STRAITS OF FLORIDA SHOULD PUSH WAVES HEIGHTS TO NEAR 8 FT. ELSEWHERE GLFMEX SHOULD BE UNDER TAME WINDS AND SLIGHT SEAS UNDER THE RIDGE UMBRELLA. SW N ATLC... SIMILAR TO GULF...SFC RIDGE ALONG 30N DOMINATES SW NA TLC WITH LIGHT WINDS AND SEAS N OF 25N. STRONG ELY FLOW S OF 25N WILL KEEP SEAS OVER 10 FT THROUGH MOST OF FORECAST PERIOD. LITTLE CHANGE IN OVERALL SCENARIO EXPECTED. CARIBBEAN AND TROPICAL N ATLC... ELY TRADE WINDS ACROSS MOST AREAS INCREASING TO 30 KT ALONG COLOMBIAN COAST SHOULD RULE THROUGHOUT FORECAST PERIOD WITH LITTLE CHANGE. SIMILAR CONDITIONS HAS GONE ALMOST ENTIRE WEEK AND NWW3 HAS CAUGHT UP WITH SE HEIGHT AND MAINTAINS GOOD HANDLE ON TRADE WINDS. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.