000
AGXX40 KNHC 241834
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT SAT OCT 24 2009

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

SLOW MOVING COLD FRONT CURRENTLY FROM TAMPA BAY TO THE BAY OF 
CAMPCHE. THE FRONT WILL STALL FROM SW FLORIDA TO THE YUCATAN 
PENINSULA TONIGHT AND SUN. QUIKSCAT AND BOUY CONTINUES TO 
INDICATE 20 KT NE WINDS S OF 23N W THE FRONT. THE WINDS WILL 
GRADUALLY DECREASE TO 10-15 KT TONIGHT. SCATTERED SHOWERS AND 
ISOLATED TSTMS ARE WITHIN 60 NM E OF THE FRONT. HIGH PRES BUILDS 
W OF THE FRONT THROUGH SUN. ANOTHER COLD FRONT APPROACHES THE 
TEXAS COAST MON. THE GFS IS NOW BEING MUCH MORE AGGRESSIVE WITH 
THE FRONT BRINGING NLY WINDS BEHIND THE FRONT TO 25 KT TUE. THE 
FRONT THEN MOVES RAPIDLY NE AS A RIDGE OF HIGH PRES EXTENDS OVER 
THE NORTHERN GULF. SLY WINDS INCREASE TO 15-20 KT OVER THE 
NORTHERN GULF WED AND THU AHEAD OF ANOTHER APPROACHING COLD 
FRONT. THE FRONT WILL MOVE OFF THE TEXAS COAST EARLY THU AND 
EXTEND FROM THE SW LOUISIANA COAST TO BROWNSVILLE TEXAS. COULD 
SEE SOME STRONG NLY WINDS W OF THE FRONT.

SURFACE TROUGH OVER THE WESTERN ALTC EXTENDS FROM THE NW BAHAMAS 
TO CENTRAL CUBA. THE TROUGH WILL MOVE WNW AND MERGE WITH AN 
APPROACHING COLD FRONT CURRENTLY OVER THE E GULF AS THE FRONT 
MOVES OVER CENTRAL FLORIDA LATE TONIGHT OR EARLY SUN. THE FRONT
WILL EXTEND FROM 31N78W TO CENTRAL FLORIDA TONIGHT WHERE IT WILL 
STALL THROUGH SUN THEN DISSIPATE LATE MON AS A HIGH PRES RIDGE 
ALONG 30N STRENGTHENS. ANOTHER COLD FRONT APPROACHES THE NW 
PORTION OF THE AREA TUE EXTENDING FROM 31N77W TO 29N80W THEN
DISSIPATES ON WED. HIGH PRES RIDGE BULIDS ALONG 30N THU...WITH 
ELY WINDS INCREASING TO 20 KT OVER THE SE PORTION OF THE AREA 
WITH SEAS TO 7 FT. OTHERWISE WINDS WILL BE LIGHT.

CARIBBEAN TRADES IN THE 15-20 KT RANGE CONTINUE S OF 16N E OF 
71W WILL EXPAND ACROSS THE CARIBBEAN S OF 18N E OF 75W SUN INTO 
EARLY NEXT WEEK AS THE ATLC RIDGE MOVES EWD TIGHTENING THE PRES 
GRADIENT. COLD FRONT WILL APPROACH THE YUCATAN CHANNEL THIS 
EVENING AND BECOME NEARLY STATIONARY ON SUN. THE FRONT WILL MOVE 
BACK TO THE N AND WILL DISSIPATE MON. WINDS DECREASE TO BELOW
20 KT WED AND THU ACROSS THE ENTIRE CARIBBEAN. TROPICAL WAVE IN 
THE ATLC WILL APPROACH 55W LATE MON NIGHT AND WILL WEAKEN ON TUE 
AS IT APPROACHES THE NE S AMERICA COAST AND LEEWARD ISLANDS. 
 
WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER DGS