000
AGXX40 KNHC 230633
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 AM EDT TUE OCT 23 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...
HIGH ACROSS THE EASTERN U.S. COMBINED WITH TROPICAL STORM SANDY 
IN THE CARIBBEAN HAS TIGHTENED THE PRES GRADIENT ACROSS THE SE 
GULF WITH ELY WINDS 15-20 KT WITH SEAS TO 7 FT. AS SANDY MOVES 
N THE WINDS ACROSS THE SE GULF AND THE STRAITS OF FLORIDA 
WILL INCREASE TO 20-25 KT...WITH SEAS BUILDING TO 8 FT THROUGH 
THE STRAITS OF FLORIDA TONIGHT AND WED. SEAS BUILD 8-10 FT THU 
AND FRI. WINDS SHIFT TO THE NW FRI AND SAT AS SANDY MOVES TO THE 
NE. WINDS AND SEAS SLOWLY SUBSIDE SAT.

SW N ATLC S OF 31N W OF 65W...
HIGH PRES BUILDS ACROSS THE EASTERN U.S. COMBINED WITH TROPICAL 
SANDY IN THE CARIBBEAN HAS INCREASED THE ELY WINDS TO 15-20 KT 
ACROSS MUCH OF THE AREA TODAY AND WED. TROPICAL STORM SANDY WILL 
MOVE THROUGH EASTERN CUBA THROUGH THU AND INTO THE SOUTHERN 
BAHAMAS REACHING 22.7N 75.8W BY THU EVENING AND 25.7N 75.4N BY 
FRI EVENING AND 28.2N 73.6W BY SAT EVENING.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL STORM SANDY CENTERED NEAR 12.9N 78.7W AT 0600 UTC
REMAINS STATIONARY. MAXIMUM SUSTAINED WINDS 40 KT GUSTS TO 50 KT 
WITH MINIMUM CENTRAL PRES OF 998 MB. SANDY WILL MOVE TO 13.6N 
78.4W BY EARLY TUE...14.8N 77.9W BY TUE EVENING...THEN INTENSIFY 
TO A HURRICANE NEAR 18.5N 77.1W BY WED MORNING. SANDY WEAKEN TO 
A TROPICAL STORM INLAND OVER JAMAICA WED EVENING...THEN MOVE N 
OF AREA THROUGH EASTERN CUBA THU. WINDS AND SEAS SUBSIDE SAT.

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

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA AND TROPICAL N ATLC...
.HURRICANE WARNING ZONE AMZ021.
.TROPICAL STORM WARNING ZONES AMZ031.

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

$$
FORECASTER DGS