000
AGXX40 KNHC 311801
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
100 PM EST TUE OCT 31 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 21N69W WITH A RIDGE ACROSS THE AREA 
ALONG 20N. A LONGWAVE MIDDLE LATITUDE TROUGH WILL PASS NORTH OF 
THE AREA BUT EXTEND 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.  NO 
STRONG SHORTWAVES WILL MOVE THROUGH THE LONGWAVE TROUGH DURING 
THE FORECAST PERIOD.

SURFACE...
HIGH PRESSURE NORTH OF THE ATLANTIC AREA WILL MOVE EAST AND 
STRENGTHEN INCREASING THE EASTERLY WINDS NORTH OF AN OLD COLD 
FRONT TONIGHT THROUGH WEDNESDAY NIGHT.  WEAK COLD FRONT WILL 
MOVE OFF TEXAS COAT WEDNESDAY.  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 31N63W TO NORTHERN BELIZE. WINDS IN 
THE GULF WILL DECREASE SOME TO ABOUT 20 KT EXCEPT FOR THE 
SOUTHEAST GULF WHERE 20 TO OCCASIONALLY 30 KT WILL PREVAIL.  THE 
ATLANTIC AREA NORTH OF THE FRONT WILL ALSO EXPERIENCE 20 TO 
OCCASIONALLY 30 KT NORTHEAST WINDS. 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.

WARNINGS...

ATLC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL