000
AGXX40 KNHC 071638
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1230 PM EDT MON SEP 07 2009

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

GULF OF MEXICO...
A WEAK E-W TROUGH OVER THE NW COASTAL PLAINS WILL DISSIPATE 
TONIGHT. A WEAK RIDGE EXTENDS NNE TO SSW ACROSS THE CENTRAL 
WATERS. THE RESULT IS LIGHT WINDS ACROSS ALL ZONES. A WEAK 
INVERTED TROUGH OVER THE WESTERN BAHAMAS IS EXPECTED TO DRIFT W 
THROUGH THE FLORIDA STRAITS TONIGHT THROUGH WED NIGHT...THEN 
CONTINUE NW REACHING THE CENTRAL GULF WATERS FRI. EXPECT THE 
LATE AFTERNOON INTO EARLY EVENING INCREASE IN WINDS ALONG THE NW 
YUCATAN COAST. INTENSE CONVECTION ENHANCED OVER THE SW GULF HAS 
INDUCED A WEAK INVERTED TROUGH AND ITS EXPECTED TO CONTINUE FOR 
A FEW DAYS WITH THE POSSIBILITY OF A WEAK LOW PRES DEVELOPING 
ALONG THE TROUGH.

CARIBBEAN AND TROPICAL N ATLC...
ELY TRADES IN THE 20-25 KT RANGE OVER THE S CENTRAL CARIBBEAN 
AND ELY 10-15 KT. WEAKENING LOW PRES AT 17N51W IS STILL EXPECTED 
TO WEAKEN INTO A OPEN TROPICAL WAVE TONIGHT WITH THE WAVE 
ENTERING THE E CARIBBEAN LATE TUE NIGHT AND MOVE THROUGH CENTRAL 
CARIBBEAN WED THROUGH FRI. ANOTHER LOW PRES IN THE FAR E ATLC IS 
EXPECTED TO RECURVE NW ALONG 34W-35W WED AND THU.  

SW N ATLC...
A FEW WEAK TROUGHS ARE ANALYZED ACROSS THE AREA. ONE TROUGH 
EXTENDING N-S ALONG 79W IS EXPECTED TO DRIFT E TO ALONG 77W WED 
AND THU AND DISSIPATE BY FRI. AN INVERTED TROUGH OVER THE 
CENTRAL BAHAMAS IS EXPECTED TO DRIFT SLOWLY W THROUGH THE 
FLORIDA STRAITS TONIGHT THROUGH WED. AS THE TROUGHS MOVE W OF 
AREA THE RIDGE WILL SHIFT TO PSN FROM BERMUDA TO CENTRAL FL WITH 
SE-S 10-15 KT FLOW N OF 25N AND E-SE 10-15 KT WINDS S OF 25N.
   
WARNINGS
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE

$$
FORECASTER NELSON