000
AGXX40 KNHC 250601 RRA
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT SUN SEP 25 2011

UPDATED WARNINGS AND THE CARIBBEAN AND TROPICAL N ATLC W OF 55W 
SECTIONS FOR TROPICAL STORM OPHELIA.

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 PRES PATTERN ACROSS THE GULF THROUGH THE FORECAST PERIOD 
WITH WINDS GENERALLY LESS THAN 15 KT AND SEAS LESS THAN 3 FT. A 
WEAK STATIONARY FRONT OVER THE CENTRAL GULF WILL DISSIPATE LATER 
THIS MORNING. TROUGH FROM 26N85W TO 23N91W WILL DISSIPATE 
TONIGHT WHILE HIGH PRES BUILDS OVER THE EASTERN GULF. 

SW N ATLC S OF 31N W OF 65W...
HIGH PRES JUST NE OF THE FORECAST AREA WITH SE TO S WINDS 15-20 
KT N OF 27N BETWEEN 72W AND 77W TODAY AND TONIGHT WILL DECREASE 
ON MON AS THE HIGH WEAKENS. WINDS AND SEAS ARE EXPECTED TO 
INCREASE TONIGHT OVER THE SE CORNER AS TROPICAL STORM OPHELIA 
MOVES CLOSER TO THE AREA. TROPICAL STORM FORCE WINDS ARE 
EXPECTED N OF 21 E OF 68W TUE THROUGH THU AS OPHELIA MOVES 
ACROSS THE EASTERN PORTION OF THE AREA.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL STORM OPHELIA IS NEAR 18.3N 58.4W AT 25/0300 UTC 
MOVING WNW AT 10 KT. MAXIMUM SUSTAINED WIND 40 GUSTS TO 50 KT. 
OPHELIA IS FORECAST TO CONTINUE TO MOVE THROUGH THE TROPICAL N 
ATLC ZONE THROUGH MON NIGHT. OPHELIA IS FORECAST TO REACH 19.8N 
61.3W THIS EVENING...20.6N 62.6W MON...21.3N 63.6W MON EVENING 
AND JUST NW OF THE AREA TUE. THE STRONG WINDS IN THE S CENTRAL 
CARIBBEAN ARE DECREASING AS THE ATLC HIGH WEAKENS AND MOVES NE 
AND OPHELIA MOVES N OF THE AREA.

WARNINGS...
GULF OF MEXICO...
.NONE.

CARIBBEAN SEA AND TROPICAL N ATLC...
.TROPICAL STORM WARNING N OF 16N...AMZ087. 

SW N ATLC...
TROPICAL STORM CONDITIONS EXPECTED N OF 21N E OF 68W TUE THROUGH 
THU...AMZ080.
          
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

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FORECASTER AL/GR