000
AGXX40 KNHC 081747
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON AUG 08 2011

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...
SURFACE RIDGE ALONG 25N WITH MOSTLY LIGHT WINDS SW TO W WINDS N 
OF THE RIDGE AND SE-S WINDS S OF THE RIDGE. LOWER PRES DEVELOPS 
ACROSS THE SOUTHERN PLAINS COMBINED WITH THE RIDGE WILL INCREASE 
THE SLY RETURN FLOW OVER THE FAR NW GULF TUE EVENING. THESE 
WINDS THEN DECREASE TOWARD THE END OF THE WEEK. OTHERWISE LIGHT 
WINDS AND FLAT SEAS THROUGH THE FORECAST PERIOD.


SW N ATLC...
WEAK TROUGH OVER THE FAR NW PORTION OF THE AREA FROM 31N79W TO N 
FLORIDA WILL DISSIPATE LATER TODAY. OTHERWISE RIDGE WITH AXIS 
ALONG 25N COMBINED WITH LOWER PRES TO THE N OF THE AREA IS 
PRODUCING A TIGHT ENOUGH OF A PRES GRADIENT FOR 20 KT SW WINDS N 
OF 29N E OF 78W. THE GRADIENT WEAKENS ON WED AND THE WINDS 
DECREASE. A BROAD TROUGH APPROACHES THE NW PORTION OF THE AREA 
LATE WED AND THE RIDGE SHIFTS TO THE E. THE TROUGH DISSIPATES 
THU AND THE RIDGE RE-BUILDS ALONG 25N. OTHERWISE MOSTLY LIGHT 
WINDS ACROSS THE AREA THROUGH THE END OF THE WEEK.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL WAVE ALONG 69/70W WILL MOVE THROUGH THE CENTRAL 
CARIBBEAN THROUGH THIS EVENING THEN INTO THE WESTERN CARIBBEAN 
TUE INTO WED THEN W OF THE AREA THU. ATLC HIGH PRES RIDGE N OF 
THE AREA WILL SHIFT SLIGHTLY SE AND WEAKEN THROUGH TUE ALLOWING 
FOR FRESH TRADES IN THE CENTRAL CARIBBEAN TO WEAKEN. NEXT 
TROPICAL WAVE IS EXPECTED TO REACH THE TROPICAL N ATLC WATERS 
EARLY TUE AND MOVE INTO E CARIBBEAN WED AND THU AND INTO EASTERN 
CARIBBEAN FRI AND SAT.

WARNINGS...

GULF OF MEXICO...
.NONE.
 
SW NORTH ATLC...
.NONE.

CARIBBEAN AND TROPICAL N ATLC...
.NONE.

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

$$
FORECASTER DGS