000 AGXX40 KNHC 021921 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 320 PM EDT THU SEP 02 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPDATED WARNINGS SECTION AND POSITION AND INTENSITIES OF HURRICANE EARLY AND TROPICAL STORM FIONA GULF OF MEXICO... HIGH PRES EXTENDING ACROSS SW FROM THE MID-ATLC COAST ACROSS THE FAR NORTHERN WATERS WILL WEAKEN THROUGH FRI AS HURRICANE EARL MOVES NNW ACROSS THE NORTHERN WATERS OF THE SW N ATLC. A WEAK COLD FRONT WILL BRUSH THE FAR N AND NE PORTIONS FRI THROUGH SAT...BUT SHOULD HAVE VERY MINIMAL IMPACTS ON WINDS AND SEAS WITH A BRIEF WIND SHIFT TO SW-W AHEAD OF THE FRONT IN THE FAR NORTHERN WATERS OF THE MIDDLE AND EASTERN SECTIONS. BY MON WINDS SHIFT TO E-SE IN THE NE PORTION AS ATLC HIGH PRES AGAIN BUILDS SW ACROSS THE NORTHERN SECTION OF THE AREA. OBSERVED SEASTATE VALUES CORRELATE VERY WELL WITH WAVEWATCH GUIDANCE FROM 1200 UTC TODAY. MODELS CONTINUE TO INDICATE A LOW PRES TROUGH WILL PERSIST OVER THE SRN BAY OF CAMPECHE THROUGH MON BEFORE WEAKENING...BUT WITH ONLY MINOR IMPACTS ON WINDS. SW N ATLC... ...HURRICANE EARL MOVING N OF N CENTRAL WATERS... AT 1500 UTC HURRICANE EARL WAS NEAR 30.9N 74.8W MOVING N AT 16 KT WITH MAXIMUM WINDS OF 120 KT WITH GUSTS TO 145 KT AND A PRESSURE OF 932 MB. SEAS OF 12 FT OR GREATER EXTEND OUTWARD AS FAR AS 420 NM IN THE NE AND 320 NM NW QUADRANTS...AND 300 NM IN THE S SEMICIRCLE. HIGH PRES FROM THE ATLC EASTERN SEABOARD THAT EARLIER EXTENDED SW ACROSS THE NW WATERS HAS BEEN NUDGED NW OVER THE SE U.S COAST AS EARL PUSHES NNW. AS EARL DEPARTS TO THE N TONIGHT INTO TOMORROW EXPECT A LARGE BATCH OF LINGERING SWELLS...WHICH ACCORDING WAVEWATCH GUIDANCE SHOULD GRADUALLY SUBSIDE THROUGH SAT MORNING. TROPICAL STORM FIONA HAS MOVED INTO THE FAR SE WATERS AND AS OF 1500 UTC WAS LOCATED NEAR 24.4N 65.8W. FIONA WILL MORE OR LESS MAINTAIN A STEADY STATE AS IT MOVES NW THEN N THROUGH THE WATERS BEFORE WEAKENING LATE SUN AS IT EXITS THE WATERS TO THE N. ANOTHER BATCH OF SE SWELLS IS PROPAGATING FROM THE NORTHERN TROPICAL N ATLC...AND INTO THE FAR SE WATERS OF THE AREA. THESE SWELLS...AS PER WAVEWATCH GUIDANCE...WILL SHIFT NW WITH FIONA AND MIX IN WITH THOSE LEFT BEHIND FROM EARL THROUGH AT LEAST EARLY SAT AT WHICH THE ENTIRE SWELL SHOULD HAVE MIGRATED TO THE FAR N AND NE PORTIONS WITH RESULTANT MAX SEAS DOWN TO 11 OR 12 FT...THEN FURTHER SUBSIDE THROUGH THE WEEKEND. CARIBBEAN SEA AND TROPICAL N ATLC... TROPICAL STORM FIONA IS EXITING THE FAR NW PORTION OF THE AREA WITH ITS IMPACTS GRADUALLY DECREASING THROUGH TONIGHT. LARGE LONG PERIOD SWELLS ASSOCIATED WITH TROPICAL STORM FIONA WILL CONTINUE SUBSIDING INTO TONIGHT. ELSEWHERE RELATIVELY LIGHT WINDS AND LOW SEAS UNDER A WEAK PRES GRADIENT CONTINUE. E WINDS OF 15-20 KT TO CONTINUE GULF OF HONDURAS AND VICINITY AND OVER THE FAR SOUTHERN WATERS OF THE EASTERN CARIBBEAN THROUGH MOST OF THE PERIOD. TROPICAL DEPRESSION GASTON E OF THE AREA NEAR 14.0N 38.9W AS OF 1500 UTC WAS MOVING W AT 6 KT. GASTON IS EXPECTED TO IMPACT THE FAR EASTERN SECTION OF THE TROPICAL N ATLC LATE WED AS A MINIMAL HURRICANE. WARNINGS... SUBJECT TO CHANGE BASED ON LATEST NHC ADVISORY SW N ATLC... .AMZ080...HURRICANE WARNING N OF 26N BETWEEN 72W AND 77W... .AMZ080...TROPICAL STORM WARNING N OF 22N E OF 68W... CARIBBEAN... .NONE. TROPICAL N ATLC... .AMZ087...TROPICAL STORM WARNING N OF 21N W OF 64W... .AMZ087...HURRICANE CONDITIONS EXPECTED FROM 14N TO 19N E OF 58W LATE MON... GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER HOLLEY