000
AGXX40 KNHC 101714
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
115 PM SUN SEP 10 2006

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

UPPER LEVELS...
MIDDLE LEVEL TROUGH ASSOCIATED WITH FLORENCE WILL MOSTLY MOVE 
NORTHEAST WITH THE TROPICAL CYCLONE HOWEVER A WEAK TROUGH WILL 
BE LEFT BEHIND AND LINGER OVER THE EASTERN PART OF THE ATLANTIC 
AREA THROUGH FRIDAY. THIS WILL KEEP CONVECTION RISK ELEVATED 
OVER EASTERN ATLANTIC AREA.  OTHERWISE WEAK RIDGE OVER THE 
AREA.  A MIDDLE LATITUDE SHORTWAVE TROUGH WILL APPROACH THE 
NORTHWEST GULF OF MEXICO COAST TUESDAY AND BE OVER THE SOUTHEAST 
U.S. WEDNESDAY NORTH OF THE CENTRAL GULF.  THE TROUGH IS FAIRLY 
STRONG FOR THIS TIME OF YEAR.  THE TROUGH WILL MOVE TO NORTH OF 
THE EAST GULF FRIDAY.

SURFACE...
FLORENCE WILL IMPACT THE NORTHEAST PART OF THE ATLANTIC AREA AND 
WILL MOVE NORTH OF 31N DURING TONIGHT BUT THE CIRCULATION WILL 
CONTINUE TO AFFECT THE AREA THROUGH TUESDAY. ASSOCIATED SWELL 
WILL DROP TO LESS THAN 10 FT THU AND 7 FT FRI.

A WEAK FRONT WILL ACCOMPANY THE ABOVE MENTIONED TROUGH SHIFTING 
THE WIND OVER THE NORTH GULF TO LIGHT NORTHERLY BEHIND THE 
FRONT.  ALSO THE WIND OVER THE NORTH GULF AND THE NORTHWEST PART 
OF THE ATLANTIC AREA WILL SHIFT TO SOUTHWEST AHEAD OF THE 
FRONT.  WINDS ASSOCIATED WITH THIS SYSTEM WILL ONLY APPROACH 20 
KT NORTH OF THE ATLANTIC AREA BUT BE LESS THAN 20 KT SOUTH OF 
31N.

TRADES WILL BE LESS THAN NORMAL WITH 20 KT IN THE SOUTH 
CARIBBEAN BEGINNING MONDAY AS THE TROUGH ASSOCIATED WITH 
FLORENCE WEAKENS AND A RIDGE BUILDS HOWEVER THE TRADES WILL BE 
LESS THAN NORMAL.  TRADE WINDS INCREASE OVER THE TROPICAL 
ATLANTIC AREA FRIDAY AS A RIDGE BUILDS NORTH OF THE AREA IN THE 
WAKE OF FLORENCE. 

WARNINGS...

ATLANTIC...
HURRICANE WARNING N OF 28N E OF 68W...AMZ080

CARIBBEAN...
NONE. 

GULF OF MEXICO...
NONE.

FORECASTER LL