000 AGXX40 KNHC 191826 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EDT SUN SEP 19 2010 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... A TROUGH WILL LINGER IN THE FAR W GULF WHILE RIDGING REMAINS JUST N OF THE WATERS THROUGH THE PERIOD. MODERATE TO FRESH TRADES AND SEAS OF 3 TO 6 FT WILL PREVAIL ACROSS THE FORECAST AREA THROUGH THE PERIOD. SW N ATLC... HURRICANE IGOR WAS LOCATED NEAR 30.8N 65.7W OR ABOUT 115 MI S OF BERMUDA AT 200 PM AST WITH MAXIMUM WINDS OF 85 KT GUSTS 95 KT. THE CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA THIS EVENING OR TONIGHT. LARGE AND DANGEROUS SWELLS RESULTING FROM IGOR WILL CONTINUE TO EFFECT THE SE U.S. COAST AND THE BAHAMAS WITH A HIGH RISK OF RIP CURRENTS THROUGH EARLY NEXT WEEK...EVEN AFTER IGOR MOVES WELL N-NE OF THE AREA MON THROUGH WED. ATLC RIDGING WILL DEVELOP IN THE WAKE OF IGOR JUST N OF THE AREA WITH FRESH TO STRONG TRADES ACROSS THE WATERS WED AND THU. LARGE NORTHERLY SWELLS GENERATED ON THE WEST SIDE OF IGOR WILL CONTINUE TO PROPAGATE SOUTHWARD ACROSS THE AREA THROUGH THE WEEK. TROPICAL N ATLC AND CARIBBEAN SEA... A SURFACE RIDGE HAS BUILT IN ACROSS THE NORTHERN HALF OF THE TROPICAL N ATLC IN THE WAKE OF IGOR AND JULIA. A WIND SURGE ALONG THE LEADING EDGE OF THE SURFACE RIDGE HAS HELPED INDUCE SURFACE TROUGHING FROM 12N50W TO 07N54W ON ITS CYCLONIC SHEAR SIDE. THIS TROUGH WILL MOVE WESTWARD ACROSS THE TROPICAL N ATLC WATERS MON AND TUE...BEFORE MOVING INTO THE CARIBBEAN WATERS WED. A LOCALLY TIGHT PRESSURE GRADIENT BETWEEN THIS TROUGH AND THE RIDGE TO THE NORTH WILL RESULT IN FRESH TRADE WIND FLOW N OF THE TROUGH. IN THE CARIBBEAN SEA...WITH THE TROUGH MENTIONED IN THE PREVIOUS PARAGRAPH MOVING WESTWARD ACROSS THE CARIBBEAN...AND RIDGING BUILDING BACK IN ACROSS THE SW N ATLC IN THE WAKE OF IGOR...THE PRESSURE GRADIENT OVER THE CARIBBEAN WATERS WILL TIGHTEN. AS A RESULT...FRESH TO STRONG WINDS WILL SPREAD EAST TO WEST FOLLOWING THE TROUGH ACROSS THE CARIBBEAN. THE FRESH TO STRONG WINDS WILL REMAIN MAINLY N OF 13N...STARTING OVER THE FAR EASTERN CARIBBEAN TUE NIGHT...AND EXPECTED TO REACH THE WESTERN CARIBBEAN THU NIGHT. WARNINGS... SW N ATLC... .HURRICANE WARNING N OF 28N E OF 69W. CARIBBEAN... .NONE. TROPICAL N ATLC... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL