000
AGXX40 KNHC 291804
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED AUG 29 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...
HURRICANE ISAAC JUST INLAND ACROSS SE LOUISIANA NEAR 29.5N 90.7W 
AT 1500 UTC. MAXIMUM SUSTAINED WINDS 65 KT GUSTS TO 80 KT MOVING 
NW 5 KT WITH MINIMUM CENTRAL PRES OF 972 MB. ISAAC IS FORECAST 
TO CONTINUE MOVING INLAND AND WEAKEN. STRONG WINDS AND LARGE 
SEAS WILL CONTINUE THROUGH LATE THU THEN WINDS AND SEAS SUBSIDE 
FRI AND INTO THE WEEKEND AS WEAK HIGH PRES RIDGE BUILDS ACROSS 
THE AREA WITH LIGHT WINDS.
  
SOUTHWEST NORTH ATLC S OF 31N W OF 65W...
HIGH PRES RIDGE ALONG 27N WITH MOSTLY LIGHT WINDS ACROSS THE 
AREA EXCEPT FOR 15-20 KT WINDS AROUND THE SOUTHERN PERIPHERY OF 
THE RIDGE GENERALLY S OF 22N. THESE WINDS WILL DECREASE TO LESS 
THEN 20 KT FRI AND INTO THE WEEKEND AS THE RIDGE WEAKENS AND 
MOVES E AS WEAK COLD FRONT BRUSHES THE FAR NORTHERN PORTION OF 
THE AREA THEN MOVES RAPIDLY E. OTHERWISE WEAK PRES PATTERN 
THROUGH THE WEEKEND.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
HIGH RIDGE BUILDS ACROSS THE ATLC WITH ELY TRADES 20-25 KT WITH 
SEAS TO 11 FT ACROSS THE S CENTRAL CARIBBEAN. THE ATLC RIDGE 
WEAKENS BY THE END OF THE WEEK WITH MOSTLY 15-20 KT WINDS 
BETWEEN 70W AND 80W AND 10-15 KT WINDS ELSEWHERE. A LOW PRES MAY 
MOVE INTO THE TROPICAL ATLC ZONE SAT AND SUN. THE GFS IS THE 
MOST AGGRESSIVE BUT HAS SHIFTED TO THE E WITH THE LOW JUST 
CLIPPING THE NE PORTION OF THE ZONE WHILE THE EUROPEAN IS WEAKER 
WITH THIS SYSTEM AND KEEPING IT WELL NE OF THE AREA.

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

GULF OF MEXICO...
.TROPICAL STORM WARNING...GMZ013.

CARIBBEAN SEA...
.NONE.

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

$$
FORECASTER DGS