000 AGXX40 KNHC 041657 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1258 PM EDT TUE SEP 4 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... TROUGH OVER THE WESTERN ATLANTIC NORTH OF 25N WEST OF 65W WILL STRENGTHEN AND DRIFT SLIGHTLY EAST THROUGH WEDNESDAY THEN BECOME STATIONARY THROUGH SATURDAY AND THEN DRIFT WEST SUN. OTHERWISE WEAK RIDGE WILL PREVAIL OVER THE AREA. SURFACE... SEE NHC FORECAST FOR HURRICANE FELIX WHICH IS INLAND OVER NORTHERN CENTRAL AMERICA AND WEAKENING. FELIX WILL BECOME A TROPICAL STORM THIS EVENING AND A DEPRESSION LATER TONIGHT. BROAD LOW WILL THEN BE OVER SOUTHERN MEXICO THROUGH SUNDAY. LOW EAST OF NORTH FLORIDA WILL MOVE EAST AND POSSIBLY DEVELOP INTO A TROPICAL STORM AS IT INTENSIFIES IN RESPONSE TO THE DEVELOPING UPPER TROUGH. THE LOW WILL MOVE EAST TO NEAR 68W EARLY THURSDAY THEN IN RESPONSE TO THE UPPER TROUGH WILL BECOME STATIONARY THURSDAY THROUGH SUNDAY. WINDS ARE FORECAST TO BE 20 TO 25 KT BUT THIS WILL DEPEND ON POSSIBLE TROPICAL CYCLONE DEVELOPMENT. OTHERWISE THE WINDS ARE LESS THAN NORMAL WITH A CLIMATOLOGICAL FLOW PATTERN. WARNINGS... ATLANTIC... NONE. CARIBBEAN... AMZ082 AMZ084...HURRICANE WARNING AFTER 00Z TROPICAL STORM WARNING. GULF OF MEXICO... NONE. FORECASTER LL