000
AGXX40 KNHC 211717
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
130 PM EDT SAT JUL 21 2012

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

GULF OF MEXICO...
WESTERN EXTENSION OF ATLC SUBTROPICAL RIDGE ALONG 27-28N WILL 
CONTINUE AS A NEARLY STATIONARY FEATURE THROUGH SUN. THE RIDGE 
DRIFTS TO THE N EARLY NEXT WEEK...HOWEVER THE WEAK PRES PATTERN 
WILL PERSIST ACROSS MOST OF THE GULF THROUGH THE FORECAST PERIOD.
SEAS WILL BE 3 FT OR LESS EXCEPT FOR AREA OF 4-5 FT SEAS IN 
EXTREME SE GULF AND THE SW GULF. TROPICAL WAVE MOVING THROUGH 
THE YUCATAN PENINSULA WILL WEAKEN AS IT MOVES INTO THE BAY OF 
CAMPECHE.

SW N ATLC S OF 31N W OF 65W...
HIGH PRES RIDGE ALONG 28N REMAINS NEARLY STATIONARY THEN DRIFTS 
S TO 26N/27N BY WED AND THU AS A FRONT MOVES N OF THE AREA. ELY 
WINDS TO 20 KT WILL CONTINUE ALONG THE THE SOUTHERN PERIPHERY OF 
THE RIDGE S OF AROUND 24-25N THROUGH THROUGH EARLY NEXT WEEK 
THEN DECREASE TO 10-15 KT WED AND THU. GENERALLY LIGHT WINDS 
WILL PREVAIL ACROSS REMAINDER OF THE AREA AS THE RIDGE REMAINS 
IN PLACE. SW-W WINDS ARE FORECAST TO INCREASE TO 15-20 KT N OF 
AROUND 29N AS THE PRES GRADIENT TIGHTENS BETWEEN THE RIGDE AND 
THE FRONT TO THE N WED AND THU.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
HIGH PRES RIDGE N OF THE AREA WILL CONTINUE TO PRODUCE FRESH TO 
STRONG E-NE WINDS ACROSS MOST OF THE AREA BETWEEN 70-82W THROUGH 
WED. TROPICAL WAVE IN WESTERN CARIBBEAN WILL MOVE W OF THE AREA 
INTO CENTRAL AMERICA SUN. TROPICAL WAVE IN THE THE TROPICAL N 
ATLC ALONG 58W WILL MOVE INTO THE EASTERN CARIBBEAN SUN THROUGH 
MON...THEN CONTINUE TO MOVE W THROUGH THE CARIBBEAN THROUGH THU.

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

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

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

$$
FORECASTER DGS