000 AGXX40 KNHC 280503 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 100 AM EDT FRI MAR 28 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... RIDGE ACROSS THE AREA IN THE SOUTHERN CARIBBEAN WITH WEAK WESTERLIES NORTH OF THE RIDGE TO 30N WITH STRONGER WESTERLIES NORTH OF 30N. THIS PATTERN WILL NOT CHANGE MUCH THROUGH SATURDAY. ON SUNDAY THE RIDGE BEGINS TO WEAKEN OVER THE EASTERN HALF OF THE AREA AS VERY BROAD UPPER CYCLONIC CIRCULATION BEGINS TO DEVELOP OVER THE ATLANTIC AND GREATER ANTILLES WITH A WEAK CONTOUR PATTERN OVER THE AREA TUESDAY. SURFACE... RIDGE ALONG 30N WILL WEAKEN SOME THROUGH SATURDAY THEN STRONGER RIDGE WILL BUILD NORTH OF THE ATLANTIC AREA SUNDAY THROUGH TUESDAY WITH STRONG EASTERLY FLOW IN THE ATLANTIC AREA DURING THIS PERIOD. RIDGE WILL WEAKEN OVER THE GULF OF MEXICO TUESDAY. TRADE WINDS WILL BE NEAR TO SLIGHTLY LESS THAN NORMAL. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL