000 AGXX40 KNHC 110516 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM TUE JUL 11 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. AN OLD MID LEVEL TROUGH STILL HANGS ON OVER THE NE GULF TONIGHT SANDWICHED BETWEEN TWO LARGE RIDGE CENTERS..ONE NEAR 34N60W THE OTHER OVER THE SRN PLAINS. TWO MID LEVEL CYCLONIC CENTERS CAN BE SEEN IN THE WATER VAPOR IMAGERY TONIGHT NEAR 25N84W AND THE OTHER NE OF THE BAHAMAS NEAR 27N74W. ON THE SURFACE THE ATLC RIDGE AXIS WAS ALONG 30N TO ACROSS THE NRN GULF. TRPCL WAVES WERE ALONG 48W AND 69W MOVING W 15 KT. LATER DAY 1 THE WESTERLIES WILL REMAIN N OF 35N DIVERTED NE BY THE FAIRLY STRONG MID LEVEL RIDGE CENTERED NEAR 34N60W. INVERTED MID LEVEL TROUGHS CONTINUE ALONG 83W AND 53W..THE SECOND ASSOCIATED WITH THE TRPL WAVE. ON THE SURFACE A GALE CONDITION SETS UP OFF THE COLOMBIAN COAST WITH WINDS 30 TO 35 KT AND SEAS TO 15 FT. OTHERWISE MODERATE TRADES OVER THE ATLC S OF 25N AND IN THE CARIB E OF 82W. GULF WINDS REMAIN LIGHT UNDER A WEAK PRESSURE GRADIENT. THE MID LEVEL RIDGE CENTER BEGINS IT'S WWD DRIFT TO NEAR 30N70W DAY 2 WHILE INVERTED MID LEVEL TROUGHS DRIFT W TO ALONG 90W AND 55W IN THE TROPICAL EASTERLIES. ON THE SURFACE A GALE CONDITION WILL CONTINUE OVER THE S CENTRAL CARIB WITH MODERATE TO STRONG TRADES ELSEWHERE S OF 18N AND E OF 80W. THE ATLC RIDGE AXIS HOLDS ALONG 30N WWD TO THE N GULF COAST WITH GULF WINDS REMAINING LIGHT. OUTLOOK PERIOD... FOR DAY 3 MID LEVEL RIDGE CENTERS WILL DRIFT WWD..ONE TO NEAR 30N77W AND A SECOND ONE TO 31N50W. THE INVERTED MID LEVEL TROUGH OVER THE GULF WILL DRIFT W TO 95W. OTHERWISE DEEP EASTERLIES PREVAIL S OF 20N. ON THE SURFACE WINDS DECREASE OVER THE S CENTRAL GULF AS THE ATLC RIDGE ALONG 30N BACKS OFF E OF 60W. A WEAK RIDGE AXIS WILL CONTINUE ALONG 30N TO THE NRN GULF COAST DAY 3 WITH MOSTLY LIGHT WINDS OVER THE GULF. FOR DAY 4 THE WRN MID LEVEL RIDGE CENTER DRIFTS WWD TO THE SE US COAST WHILE THE INVERTED MID LEVEL TROUGH DRIFTS INLAND OVER SRN TX. THE WESTERLIES BEGIN TO MAKE A MOVE SWD E OF 60W BUT REMAIN BLOCKED BY THE SECOND MID LEVEL RIDGE CENTER NEAR 30N47W. ON THE SURFACE THE ATLC RIDGE REMAINS ALONG 30N BUT WEAKER THAN IN PREVIOUS DAYS. WINDS OVER THE CARIB DECREASE TO 20 KT E OF 80W WHILE GULF WINDS REMAIN LIGHT. DAY 5 FINDS THE WWD DRIFTING MID LEVEL ANTICYCLONE MOVING TO THE TN VALLEY AND STRENGTHENING. THE WESTERLIES BEGIN TO EXPLOIT A WEAKNESS IN THE PRESSURE FIELD ALONG 50W WHILE THE SECOND MID LEVEL RIDGE CENTER MOVES E TO NEAR 30N40W. ON THE SURFACE DAY 5 THE ATLC RIDGE AXIS DRIFTS S TO NEAR 28N AND CONTINUES IT'S WEAKENING TREND. WHILE CARIB WINDS REMAIN MODERATE..TRADES OVER THE ATLC WEAKEN SOME..ESPECIALLY N OF 20N. GULF WINDS MOSTLY ELY LIGHT BUT OCCASIONALLY MODERATE OVER THE SE PORTION. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER RRG