000
AGXX40 KNHC 101808
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED OCT 10 2012

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

GULF OF MEXICO...
WEAK HIGH PRES RIDGE BUILDS ACROSS THE NORTHERN GULF STATES WITH 
MOSTLY LIGHT WINDS ACROSS THE AREA THROUGH LATE THU. LOW PRES 
OFF E COAST OF FLORIDA COMBINED WITH STRENGTHENING HIGH PRES 
OVER THE EASTERN U.S. TIGHTENS PRES GRADIENT ACROSS EASTERN GULF 
WITH INCREASING NE WINDS E OF 87W. THE HIGH MOVES E AND THE 
WINDS BECOME E 15-20 KT S OF 27N E OF 87W SUN. THE PRES GRADIENT 
WEAKENS MON AND WINDS DECREASE.

SW N ATLC S OF 31N W OF 65W...
SURFACE TROUGH FROM 31N73W TO 1013 MB LOW PRES NEAR 28N73W THE 
TROUGH CONTINUES TO 24N72W. THE TROUGH WILL MOVE E THROUGH SAT 
THEN DISSIPATE SUN. HIGH PRES STRENGTHENS OVER THE EASTERN U.S. 
TIGHTENING THE PRES GRADIENT N OF 23N W OF THE TROUGH WITH NE
WINDS 15-20 KT.  HIGH PRES MOVES E AND WINDS BECOME E 15-20 KT 
ACROSS ENTIRE AREA SUN. WINDS DECREASE ON MON...EXCEPT OVER THE 
FAR SE PORTION THE AREA NE WINDS 20 KT AS A LOW PASSES SE OF THE 
AREA.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
WEAK PRES PATTERN ACROSS THE CARIBBEAN WITH MOSTLY WINDS ACROSS 
THE ENTIRE AREA. HIGH PRES STRENGTHENS ACROSS THE EASTERN U.S. 
COMBINED WITH TROUGH NEAR THE BAHAMAS TIGHTENS THE PRES GRADIENT 
OVER THE NW CARIBBEAN AND NE WINDS INCREASE TO 15-20 KT THU 
NIGHT THROUGH SAT. WINDS DECREASE SUN AND MON. LOW PRES ENTER 
TROPICAL N ATLC ACROSS 55W EARLY THU BRINGING STRONG WINDS N OF 
12N THROUGH SUN AS IT MOVES NE ACROSS ZONE. WINDS DECREASE FROM 
SE TO NW AS THE LOW MOVES NW. 


NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE.

SW N ATLANTIC...
.NONE.
  
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS