000
AGXX40 KNHC 210604
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST FRI NOV 21 2008

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...
CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

RADIOFAX SCHEDULE FOR GRAPHICAL WIND WAVE...SURFACE FORECAST AND 
PEAK WAVE PERIOD CHARTS HAS CHANGED. FOR THE ATLANTIC BASIN THIS 
INCLUDES 24...36...48 AND 72 HOUR WIND WAVE..24...48..72 HOUR 
SURFACE FORECAST AND 48 AND 72 HOUR PEAK WAVE PERIOD CHARTS. FOR 
ADDITIONAL INFORMATION PLEASE REFER TO THE FAX SCHEDULE ON THE 
NHC WEB SITE AT HTTP://WWW.NHC.NOAA.GOV/RADIOFAX.SHTML

UPPER LEVELS...
LONGWAVE TROUGH IS OVER THE AREA WITH MODERATE WESTERLIES NORTH 
OF THE GREATER ANTILLES AND THE GULF OF MEXICO NORTH OF 23N. 
THROUGH THE PERIOD A RIDGE WILL SLOWLY BUILD OVER SOUTHERN 
MEXICO AND THE NORTHERN PART OF CENTRAL AMERICA. ONE SHORTWAVE 
WILL SWING THROUGH THE ATLANTIC PORTION OF THE LONGWAVE TROUGH. 
THE SHORTWAVE WILL MOVE OFF THE U.S. COAST EARLY SUNDAY AND BE 
JUST EAST OF 65W EARLY MONDAY AND CONTINUE TO MOVE EAST.

SURFACE...
COLD FRONT ALONG THE NORTH GULF OF MEXICO WILL RAPIDLY MOVE EAST 
WITH LARGE HIGH PRESSURE OVER THE EASTERN UNITED STATES 
DOMINATING THE FLOW OVER THE ENTIRE AREA BEHIND THE FRONT. THE 
FRONT WILL BE EAST OF THE AREA BY LATE FRIDAY. THE HIGH WILL 
CONTINUE THROUGH SUNDAY DRIFTING EAST OVER THE ATLANTIC THEN 
WEAKEN MONDAY. NEXT WEAK COLD FRONT MOVE OFF THE NORTHWEST GULF 
OF MEXICO COAST MONDAY. LOW OVER THE NORTHEAST U.S. COAST WILL 
INCREASE THE WINDS OVER THE NORTHERN PART OF THE ATLANTIC AREA 
BEGINNING LATE MONDAY AND CONTINUING THROUGH TUESDAY. HIGH WEST 
OF THE WEAK FRONT WILL REMAIN OVER THE CENTRAL MISSISSIPPI 
VALLEY THROUGH TUESDAY.

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL. TROPICAL PREDICTION CENTER.