000 AGXX40 KNHC 200549 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT THU AUG 20 2009 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. THE TROPICAL WAVE THAT WAS THE REMNANTS OF TROPICAL STORM ANA HAS WEAKENED CONSIDERABLY AND IS S OF THE AREA...HOWEVER IT MAY BRUSH THE FAR SOUTHERN PORTION OF THE BAY OF CAMPECHE LATER TODAY BUT THE EFFECTS WILL BE MINIMAL. OTHERWISE...MOSTLY LIGHT WINDS AND SEAS BELOW 4 FT ACROSS THE GULF. HIGH PRES RIDGE BUILDS ACROSS THE NORTHERN GULF THU AND FRI AND SHIFTS S TO AROUND 26N ON SUN. WEAK FRONTAL TROUGH IS ALSO EXPECTED TO AFFECT THE N GULF WATERS DURING THE WEEKEND. WINDS WILL BE LIGHT TO MODERATE OVER THE N PORTION OF THE ATLC ZONE WITH WINDS INCREASING OVER THE E PORTION OF THE AREA AS HURRICANE BILL APPROACHES THE AREA. HURRICANE BILL IS FORECAST MOVE INTO THE AREA NEAR 26.6N 65.6W EARLY FRI WITH WINDS 120 KT AND GUST TO 145 KT. BILL WILL TRACK ACROSS THE EASTERN PORTION OVER THE AREA THROUGH SAT THEN N OF THE AREA SAT NIGHT. HURRICANE FORCE CONDITIONS ARE EXPECTED E OF 70W. LARGE AND LONG PERIOD SWELLS GENERATED BY BILL SHOULD ALSO BEGIN TO AFFECT BERMUDA AND PORTIONS OF THE EASTERN COAST OF THE UNITED STATES FRI AND SAT. WINDS AND SEAS DIMINISHING SUN. A TROPICAL WAVE MOVES INTO THE EASTERN PORTION OF THE ZONE MON AND WINDS ARE EXPECTED TO INCREASE E OF THE WAVE. MAJOR HURRICANE BILL IS MOVING ACROSS THE TROPICAL N ATLC ZONE NEAR 20.7N 58.9W AT 03Z. WITH WINDS 115 KT GUST TO 140 KT MINIMUM PRES IS 945 MB MOVING NW 15 KT. BILL WILL BE NW OF THE AREA LATER TODAY...HOWEVER TROPICAL STORM FORCE WINDS WILL LINGER THROUGH EARLY TONIGHT OVER THE FAR NW PORTION OF THE AREA. TROPICAL WAVE MOVES INTO THE TROPICAL ATLC ZONE SUN AND SE WINDS INCREASE E OF THE WAVE N OF AROUND 17N SUN AND MON. OTHERWISE MODERATE TO STRONG TRADES OVER THE SOUTH-CENTRAL CARIBBEAN...WITH THE STRONGEST WINDS NEAR THE COAST OF COLOMBIA. THE TRADES WILL DECREASE FRI AND INTO THE WEEKEND AS THE ATLC HIGH WEAKENS WITH HURRICANE BILL MOVING N OF THE AREA. WARNINGS ATLC... HURRICANE WARNING N OF 18N...AMZ087. TROPICAL STORM WARNING S OF E OF 67W...AMZ080. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE $$ FORECASTER GR