000 AGXX40 KNHC 011849 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 150 PM EST WED NOV 1 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... ANTICYCLONE CENTERED NEAR 23N65W WITH A RIDGE ACROSS THE AREA ALONG 22N. A LONGWAVE MIDDLE LATITUDE TROUGH IS PASSING NORTH OF THE GULF OF MEXICO AND EXTENDS SOUTH TO NEAR 25N. BY FRIDAY A BROAD TROUGH WILL BE OVER THE AREA NORTH OF 25N WITH AN AXIS OVER THE EAST GULF OF MEXICO AND FLORIDA. THE TROUGH WILL THEN FLATTEN WITH NEAR ZONAL WESTERLIES NORTH OF 25N SATURDAY AND SUNDAY. ON MONDAY A STRONG SHORTWAVE WILL BE OVER WESTERN TEXAS AND AN ASSOCIATED RIDGE WILL DEVELOP OVER THE GULF OF MEXICO IN ADVANCE OF THE SHORTWAVE. HOWEVER NO STRONG SHORTWAVES WILL MOVE THROUGH THE LONGWAVE TROUGH OVER THE FORECAST AREA DURING THE FORECAST PERIOD. SURFACE... HIGH PRESSURE NORTH OF THE ATLANTIC AREA WILL MOVE EAST AND STRENGTHEN MAINTAINING THE EASTERLY WINDS NORTH OF AN OLD COLD FRONT THROUGH TONIGHT. WEAK COLD FRONT WILL MOVE OFF TEXAS COAST EARLY TONIGHT. THE FRONT WILL MOVE OFF THE SOUTHEAST U.S. COAST THURSDAY AND STRENGTHEN AS A STRONG HIGH PRESSURE BUILDS NORTH OF THE AREA OVER THE EASTERN U.S. BY EARLY FRIDAY THE FRONT WILL EXTEND FROM 31N70W TO THE YUCATAN CHANNEL WITH NORTHEAST 20 TO 25 KT WINDS OVER THE GULF OF MEXICO AND 20 TO OCCASIONALLY 30 KT OVER THE ATLANTIC AREA. BY EARLY SUNDAY THE FRONT WILL EXTEND FROM 31N62W TO NORTHEAST YUCATAN PENINSULA. WINDS IN THE GULF WILL DECREASE W OF 90W AND DECREASE E OF 90W N OF 28N BUT SOUTH OF 28N E OF 90W REMAIN EASTERLY 20 TO 25 KNOTS. THE ATLANTIC AREA NORTH OF THE FRONT WILL EXPERIENCE 20 TO OCCASIONALLY 30 KT NORTHEAST WINDS WITH THE STRONGEST WINDS OVER THE NORTH HALF OF THE BAHAMAS. THESE CONDITIONS WILL CONTINUE SUNDAY. THE HIGH NORTH OF THE AREA WILL BE SLOWLY MOVING EAST AND WITHOUT MUCH SOUTH PUSH THE FRONT WILL ONLY MAKE IT THROUGH THE CARIBBEAN AREA NORTH OF 20N. MONDAY THE WINDS WILL BE CONFINED TO NORTH OF 22N IN THE ATLANTIC AND GULF WITH EASTERLY 20 TO OCCASIONALLY 30 KT E OF 90W. SOUTH OF 22N WINDS WILL BE LESS THAN NORMAL. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL