000 AGXX40 KNHC 300451 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM TUE MAY 30 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. WHILE MOST OF THE WESTERLIES ARE REMAINING N OF THE AREA TONIGHT..ONE CLOSED OFF UPPER LOW HAS MADE IT'S WAY INTO OUR REGION. THE CENTER IS ALONG 30N76W AND DRIFTING S. A LARGE UPPER RIDGE EXTENDS FROM THE GULF NNEWD. A BROAD FLAT UPPER RIDGE COVERS THE AREA E OF 60W. ON THE SURFACE A WEAK TROUGH EXTENDS FROM 20N68W NE TO 27N60W AND ANOTHER WEAK TROUGH EXTENDS FROM THE NW BAHAMAS NE TO 31N75W. FOR DAY 1 THE CLOSED UPPER LOW WILL DRIFT SLOWLY E TO NEAR 30N71W. LITTLE CHANGE TO THE UPPER RIDGE OVER THE ERN US. A WEAK TROUGH WILL DRIFT TO THE NW GULF. A TROPICAL UPPER RIDGE WILL EXTEND ALONG 20N E OF 60W. ON THE SURFACE A WEAK LOW WILL MOVE NE ALONG THE TROUGH TO NEAR 26N63W. THE ATLC RIDGE WILL HAVE A CENTER NEAR 33N45W AT 1024 MB. MODERATE WINDS NW GULF AND ATLC WATERS N OF 28N E OF 70W AND S OF 20N. CARIB WINDS LIGHT TO MODERATE. THE WESTERLIES PERSIST ON TRYING TO MAKE INROADS INTO THE REGION WITH THE ONLY SUCCESS E OF 50W. W OF 60W THE RIDGE OVER THE SE US REMAINS IN PLACE WHILE THE CLOSED UPPER LOW REMAINS STATIONARY NEAR 30N71W. A WEAK LOW WILL DRIFT TO NEAR 26N68W WITH WINDS TO 20 KT OVER THE N SEMICIRCLE. A WEAK ATLC RIDGE WILL LIE OVER MID OCEAN N OF 20N E OF 60W WITH MOSTLY LIGHT WINDS. S OF 20N TRADES PICK UP WITH ELY WINDS TO 20 KT. CARIB AND GULF WINDS MOSTLY LIGHT TO MODERATE. OUTLOOK PERIOD... STRENGTHENING WLY FLOW ALOFT DAY 3 OVER THE CONTINENT WARES DOWN THE RIDGE OVER THE SE US AND BEGINS TO LIFT THE CLOSED LOW NWD TO NEAR 32N72W. STRONG TROUGHING ALOFT DIGS SWD ALONG 40W. THE TROPICAL UPPER RIDGE HOLDS ALONG 20N E OF 70W. WEAK UPPER TROUGH PERSISTS OVER THE NW GULF. ON THE SURFACE A WEAK LOW 1014 MB WILL MOVE NE TO NEAR 27N65W WITH WINDS TO 20 KT. A COLD FRONT DROPS SE OVER THE EXTREME NE CORNER OF THE AREA E OF 50W. CARIB WINDS PICK UP A BIT AS PRESSURES LOWER OVER THE S AMERICAN MAINLAND. GULF AND SW ATLC WINDS REMAIN MOSTLY LIGHT DAY 3. A BUILDING UPPER RIDGE OVER THE ROCKY MTN REGION FORCES THE WESTERLIES ON A SELY TRACK E OF 90W WHICH PICKS UP THE CLOSED UPPER LOW AND MOVES IT NE DAY 4. THE TROPICAL UPPER RIDGE STRENGTHENS ALONG 60W AND BUILDS NWD WHILE A STRONG CLOSED UPPER VORTEX MOVES TO NEAR 35N35W. THE PERSISTENT UPPER TROUGH OVER THE NW GULF REMAINS STATIONARY. PRESSURE PATTERN OVER THE GULF DAY 4 REMAINS WEAK WITH LIGHT WINDS. ATLC N OF 20N LIKEWISE. CARIB WINDS E OF 75W MOSTLY 15 TO 20 KT. FOR DAY 5 A LARGE UPPER TROUGH CARVES OUT BETWEEN 60W AND 90W N OF 25N. THIS ALLOWS ENERGY IN THE WESTERLIES TO BEGIN MOVING SE AND BRUSHING BY OUR REGION. THE PERSISTENT UPPER TROUGH OVER THE NW GULF FINALLY GIVES IT UP AND PUSHES INLAND OVER NE MEXICO FORCED BY THE STRONG UPPER RIDGE OVER THE ROCKIES. THE TROPICAL UPPER RIDGE HOLDS FIRM ALONG 60W RIDGING NNE WHILE THE CLOSED VORTEX DRIFTS E TO NEAR 35N32W. ON THE SURFACE DAY 5 A WEAK COLD FRONT MOVES TO 30N OFF THE ATLC COAST WITH WINDS TO 20 KT. A WEAK MID ATLC RIDGE ALONG 50W EXTENDS SW TO 23N70W WITH LIGHT WINDS N OF 20N. ELY TRADES TO 20 KT CONFINED TO S OF 20N E OF 75W DAY 5 WHILE GULF WINDS MOSTLY LIGHT. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER RRG