000 AGXX40 KNHC 080627 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EST MON MAR 08 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... HIGH PRESSURE AND ANTICYCLONIC FLOW CONTINUE TO PREVAIL IN THE GULF OF MEXICO. LATEST WINDSAT PASS INDICATES SE RETURN FLOW OVER THE WESTERN GULF OF 15 TO 20 KT...WITH LATEST BUOY OBS INDICATING SEAS OF 3 TO 5 FT. WINDS OF 10 TO 15 KT PREVAILS OVER THE EASTERN GULF WITH SEAS OF 1 TO 2 FT. HIGH PRESSURE WILL START TO SHIFT EAST OF THE AREA TONIGHT WITH RETURN FLOW INCREASING ON TUE AND WED AHEAD OF A COLD FRONT EXPECTED TO MOVE OFF THE TEXAS COAST WED AFTERNOON. THIS FRONT WILL MOVE THROUGH THE FLORIDA STRAITS FRI NIGHT. TROPICAL ATLC AND CARIBBEAN SEA... A FRONTAL TROUGH EXTENDS ACROSS THE NORTHERN PART OF THE TROPICAL ATLANTIC ZONE WITH A SHEAR LINE EXTENDING ACROSS THE LEEWARD ISLANDS TO THE NW COAST OF VENEZUELA. THIS SHEAR LINE WILL WEAKEN OVER THE CARIBBEAN TODAY. WITH HIGH PRESSURE PREVAILING OVER THE SW N ATLANTIC THROUGH WED NIGHT/EARLY THU TRADEWINDS OF 15 TO 20 KT ARE EXPECTED TO PREVAIL ACROSS MUCH OF THE CARIBBEAN THROUGH THAT TIME. WITH HIGH PRESSURE SHIFTING N OF THE SW N ATLANTIC WED NIGHT ...TRADES ARE EXPECTED TO DIMINISH THU AND FRI OVER THE CENTRAL AND EASTERN CARIBBEAN. DURING THAT TIME...WINDS ACROSS THE WESTERN CARIBBEAN ARE EXPECTED TO INCREASE AHEAD OF THE COLD FRONT SHIFTING ACROSS THE GULF...AND INTO THE FAR NORTHWESTERN PART OF THE CARIBBEAN LATE FRI. SW N ATLC... THE COLD FRONT HAS SHIFTED EAST OF THE AREA...BUT SHOWERS REMAIN ACROSS THE FAR E PART OF THE AREA BEHIND THE FRONT. HIGH PRESSURE WILL CONTINUE TO BUILD ACROSS THE AREA PREVAILING THROUGH WED NIGHT. THIS WILL BRING A DECREASE IN WINDS AND SEAS ACROSS THE AREA. HIGH PRESSURE WILL THEN SHIFT N OF THE AREA WED NIGHT WITH SE WINDS INCREASING OVER THE WESTERN PART OF THE AREA AHEAD OF A COLD FRONT EXPECTED TO SHIFT OFF THE COAST OF FLORIDA FRI NIGHT. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL