000
AGXX40 KNHC 010559
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT FRI OCT 01 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.

BUILDING HIGH PRES OVER CENTRAL PLAINS ENTER NW GULF GULF OF 
MEXICO SAT WITH INCREASING N-NE WINDS ACROSS MOST OF GULF.  THE 
RIDGE COMBINED WITH DEVELOPING LOW PRES OVER NW CARIBBEAN WILL 
TIGHTEN THE PRES GRADIENT AND INCREASE THE WINDS FURTHER...15 
TO 20 KT LATE SUN THROUGH TUE. THE LOW MOVES NE ACROSS CUBA AND 
TROUGH THE BAHAMAS MON.

ATLC GALE WARNING WILL EXPIRE AROUND 0600 UTC AND MODELS 
INDICATE WINDS BELOW GALE FORCE SO WILL REMOVE GALE FROM THE 
FORECAST. MOST MODEL GUIDANCE AGREE ON DEVELOPING LOW PRES OVER 
WESTERN CARIBBEAN AND CROSSING CENTRAL CUBA INTO THE BAHAMAS SUN 
OR MON THEN N OF THE AREA TUE. TROUGH EXTENDS FROM 31N74W TO 
CENTRAL CUBA TUE. NLY WINDS INCREASE TO 20 KT BEHIND THE TROUGH 
WITH SLY WINDS TO 20 KT E OF THE LOW. THE 20 KT WINDS WILL BE 
CONFINED TO N OF AROUND 27N BOTH E AND W OF THE TROUGH TUE.

TROUGH ACROSS WESTERN CARIBBEAN FROM CENTRAL CUBA TO THE GULF OF 
HONDURAS. LOW PRES CENTER EXPECTED TO DEVELOP BETWEEN JAMAICA 
AND THE CAYMAN ISLAND TODAY. THE LOW MOVES INTO CUBA SAT EVENING 
AND INTO THE BAHAMAS SUN. OTHERWISE MOSTLY LIGHT WINDS ACROSS 
THE REMAINDER OF THE CARIBBEAN THROUGH TUE. MODERATE TO FRESH 
TRADES PREVAIL OVER THE N PORTION OF THE TROPICAL ATLC ZONE 
THROUGH TUE.  WEAK TROUGH ALONG THE WINDWARD ISLANDS WILL DRIFT 
E.

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