000
AGXX40 KNHC 050601
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE OCT 05 2010

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

NE WINDS 15-20 KT ACROSS MUCH OF THE EASTERN GULF OF MEXICO WITH 
10-15 KT WINDS OVER THE WESTERN GULF. LOW PRES EXPECTED TO 
DEVELOP ALONG TROUGH IN EASTERN CARIBBEAN LATER TODAY WHICH WILL 
TIGHTEN PRES GRADIENT AND INCREASE THE NLY WINDS TO 25 KT ACROSS 
STRAITS OF FLORIDA THEN DECREASE LATE THU. HIGH PRES MOVE INTO 
NW GULF FRI WITH MOSTLY LIGHT WINDS OVER ALL BUT THE FAR SE 
PORTION OF GULF...WITH LIGHT WINDS ACROSS THE ENTIRE AREA SAT.

ATLC STATIONARY FRONT EXTENDS FROM 31N73W TO CENTRAL CUBA. NLY 
WINDS HAVE INCREASED TO 15-20 KT W OF FRONT. AS HIGH PRES 
STRENGTHENS OVER THE CENTRAL AND EASTERN U.S. AND THE PRES 
GRADIENT TIGHTENS BEHIND THE FRONT AND WINDS FURTHER INCREASE TO 
20-25 KT TONIGHT. THE FRONT AND HIGH WEAKENS THU AND WINDS 
DECREASE OVER THE NW PORTION OF THE AREA...HOWEVER LOW PRES IN 
THE CARIBBEAN S OF PUERTO RICO IS FORECAST TO MOVE INTO THE SE 
PORTION OF THE AREA TONIGHT. AS THE LOW MOVES TO THE N THE 
GRADIENT BETWEEN THE LOW AND THE RIDGE TO THE N WILL KEEP 20-25 
KT WINDS ACROSS THE EASTERN PORTION OF THE AREA THROUGH THU. THE 
LOW MOVES E OF THE AREA LATE FRI AND SAT WITH DECREASING WINDS.

A 1007 MB LOW PRES IN THE EASTERN CARIBBEAN JUST S OF PUERTO 
RICO...WITH SLY WINDS 15-20 KT E OF 65W. THE LOW WILL MOVE N OF 
THE CARIBBEAN TONIGHT HOWEVER MODERATE TO STRONG WINDS WILL 
CONTINUE THROUGH THU THEN DECREASE FRI AND SAT. NLY WINDS 
INCREASE TO 20-25 KT OVER THE NW CARIBBEAN TONIGHT AND ACROSS 
MUCH OF THE AREA W OF 80W BY THU. WINDS DECREASE SOME LATE FRI 
AND SAT.

WARNINGS...

SW N ATLC...
.NONE

CARIBBEAN...
.NONE.

TROPICAL N ATLC...
.NONE.
  
GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS