000
AGXX40 KNHC 301746
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON APR 30 2012

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

GULF OF MEXICO...
A RIDGE EXTENDS WSW FROM N FL TO THE SE TX COAST. SLY RETURN 
FLOW CONTINUES AT 15-20 KT ACROSS THE WESTERN GULF WHILE THE LOW 
LEVEL WINDS ARE NE OVER THE EASTERN GULF.THE RIDGE WEAKENS BY 
THE END OF THE WEEK AND THE PRES GRADIENT RELAXES WITH 
DECREASING WINDS FRI AND SAT.
     
SW N ATLC FROM 19N TO 31N W OF 65W...
WEAK COLD FRONT WILL CLIP THE FAR NE PORTION OF THE AREA TODAY 
WILL MOVE E OF THE AREA THIS EVENING. OTHERWISE E-W RIDGE ACROSS 
THE NORTHERN PORTION OF THE AREA. ELY WINDS ALONG THE SOUTHERN 
PERIPHERY OF THE RIDGE TO 20 KT S OF 27N. THE RIDGE WEAKENS THU 
AND THE ELY WINDS DECREASE WITH MOSTLY LIGHT WINDS ACROSS THE 
AREA THU THROUGH SAT.
   
CARIBBEAN SEA AND TROPICAL ATLC S OF 19N W OF 55W...
TROUGH OVER THE NW CARIBBEAN FROM EASTERN CUBA TO 17N83W. THE 
TROUGH AXIS WILL MOVE W OF THE AREA EARLY TUE. ELY TRADES WILL 
CONTINUE TO PULSE TO 15-20 KT ACROSS THE CENTRAL CARIBBEAN 
THROUGH FRI WITH 10-15 KT EXPECTED ELSEWHERE.

NOTE... EFFECTIVE APR 3, 2012 AT 1800 UTC THE OFFSHORE WATERS 
FORECAST ZONES CHANGED FOR THE CARIBBEAN AND SW N ATLANTIC AND 
THE GULF OF MEXICO. ISSUANCE TIME FOR THE GULF OF MEXICO OFFSHORE
WATERS FORECASTS IS REFERENCED TO THE EASTERN TIME ZONE. FOR 
DETAILS SEE WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF

GRIDDED MARINE OUTPUT IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE (LOWER CASE).

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

ATLANTIC...
.NONE.

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

$$
FORECASTER DGS