000
AGXX40 KNHC 061723
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
125 PM EDT THU SEP 6 2007

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

UPPER LEVELS...
MODERATE TROUGH WITH CYCLONIC CIRCULATION CENTER OVER THE 
WESTERN ATLANTIC NORTH OF 25N WEST OF 65W WILL WILL MOVE WEST 
THROUGH FRIDAY THEN WEAKEN SOME AND MOVE NORTH AS RIDGE BUILDS 
OVER THE AREA SATURDAY AND SUNDAY. OTHERWISE WEAK RIDGE WILL 
PREVAIL OVER THE AREA. TUESDAY STRONG MIDDLE LATITUDE TROUGH 
WILL APPROACH THE NORTHWEST GULF COAST...LOOKS LIKE A WINTERTIME 
SYSTEM.

SURFACE...
LOW NEAR 29N70W WITH A TROUGH TO EAST CUBA WILL MOVE LITTLE 
TONIGHT WITH THE LOW POSSIBLY DEVELOPING INTO A TROPICAL 
CYCLONE. THE LOW WILL MOVE WNW BEGINNING FRIDAY AND PASS NORTH 
OF 31N NEAR 75W FRIDAY NIGHT AND SATURDAY. WINDS ARE FORECAST TO 
BE AROUND 20 KT BUT THIS WILL DEPEND ON POSSIBLE TROPICAL 
CYCLONE DEVELOPMENT. RIDGE ALONG 24N EAST OF THE TROUGH WILL 
BUILD NORTH AND WEST AS THE FLOW AROUND THE LOW BECOMES MORE 
CIRCULAR AND THE LOW MOVES NORTH AFTER FRIDAY. THE RIDGE WILL BE 
ALONG 27N.28N SUNDAY AND MONDAY AND ALONG 30N E OF FLORIDA 
TUESDAY. 

COLD FRONT ASSOCIATED WITH THE MIDDLE LATITUDE TROUGH WILL MOVE 
OFF NORTH TEXAS COAST TUESDAY. GFS FORECAST 30 KNOT NORTHERLY  
WINDS BEHIND THE FRONT...VERY UNUSUAL FOR THIS TIME OF YEAR.

OTHERWISE THE WINDS ARE LESS THAN NORMAL WITH A CLIMATOLOGICAL 
FLOW PATTERN.
  
WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO... 
NONE.

FORECASTER LL