000 AGXX40 KNHC 200543 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 140 AM EDT THU SEP 20 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... STATIONARY FRONTAL BOUNDARY EXTENDS FROM CENTRAL FLORIDA TO THE BAY OF CAMPECHE. RECENT SCATTEROMETER...SHIP...AND BUOY OBSERVATIONS DEPICT GENTLE TO MODERATE WINDS WITH SEAS GENERALLY 3 FT OR LESS PREVAILS ACROSS THE GULF WATERS. THE FRONTAL BOUNDARY WILL DISSIPATE BY FRI. EASTERLY FLOW TO NEAR 15 KT IS FORECAST TO RETURN...MAINLY N OF 24N...BY LATE SUN EARLY MON AS HIGH PRES BUILDS ACROSS THE NORTHERN GULF AND EASTERN U.S. SOUTHWEST NORTH ATLC S OF 31N W OF 55W... A STALLED COLD FRONT PREVAILS OVER THE FAR NW PART OF THE AREA. LATEST SCATTEROMETER...SHIP...AND BUOY DATA DEPICT LIGHT TO GENTLE WINDS PREVAIL ACROSS THE FORECAST AREA. SEAS ARE 2 TO 4 FT E OF THE BAHAMAS...AND 2 FT OR LESS W OF THE BAHAMAS. THE STALLED FRONT WILL DISSIPATE BY FRI. HIGH PRESSURE WILL THEN BUILD ACROSS THE AREA SAT THROUGH MON. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... GENTLE TO MODERATE TRADE WINDS PREVAIL ACROSS THE CARIBBEAN WATERS AND THE TROPICAL N ATLC WATERS...EXCEPT FOR MODERATE TO FRESH WINDS ACROSS THE SOUTHERN CENTRAL CARIBBEAN WATERS. THE TRADE WINDS ARE EXPECTED TO INCREASE AT THE END OF THE FORECAST PERIOD AS THE ATLC HIGH PRES STRENGTHENS N OF THE FORECAST AREA. A TROPICAL WAVE IN THE CENTRAL CARIBBEAN WILL MOVE INTO THE W CARIBBEAN LATE TONIGHT...REACHING THE YUCATAN BY SAT. A SECOND TROPICAL WAVE WILL MOVE INTO THE TROPICAL N ATLC WATERS TODAY...REACHING THE E CARIBBEAN FRI...THE CENTRAL CARIBBEAN SAT...AND THE WESTERN CARIBBEAN MON. A THIRD TROPICAL WAVE WILL REACH THE TROPICAL N ATLC WATERS MON. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLANTIC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL