000
AGXX40 KNHC 101750
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT TUE JUL 10 2012

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

GULF OF MEXICO...
RIDGE EXTENDS E-W ACROSS THE NORTHERN GULF WITH A SURFACE HIGH 
PRESSURE CENTER OF ABOUT 1017 MB OVER THE NE GULF. A N-S TROUGH 
IS SETTING UP IN THE BAY OF CAMPECHE WHERE INTERMITTENT TSTMS 
ARE FLARING. A TROPICAL WAVE WILL MOVE INTO THE FL STRAITS LATE 
WED...REACH ALONG 83W LATE THU...THEN WEAKEN OVER THE THE 
S-CENTRAL WATERS ON FRI AND SAT.  GFS GUIDANCE HAS BACKED OFF ON 
STRENGTH OF THE SLY RETURN FLOW OVER THE W GULF AHEAD OF A WEAK 
COLD FRONT THAT WILL STALL OVER THE NW WATERS THU AND MOVE BACK 
N OF THE AREA ON FRI. WEAK RIDGING ACROSS THE AREA OVER THE 
WEEKEND.

SW N ATLC S OF 31N W OF 65W...
RIDGE EXTENDING E TO W FROM 31N65W TO CENTRAL FL WILL CHANGE 
LITTLE TONIGHT...THEN LIFT N TO ALONG 30N ON WED... AND SHIFT N 
OF AREA THU...THEN REMAIN N OF AREA FRI-SAT. SW WINDS N OF THE 
RIDGE WILL CONTINUE AT 10-15 KT...WHILE ELY WINDS S OF 22N W OF 
68W WILL CONTINUE IN THE 15-20 KT RANGE THROUGH WED...THEN 
DIMINISH BELOW 20 KT. A TROPICAL WAVE CURRENTLY S OF 25N ALONG 
71W WILL REACH THE SE BAHAMAS LATER TODAY...AND MOVE THROUGH THE 
FL STRAITS WED NIGHT. THE WAVE IS ACCOMPANIED BY ONLY A 10-15 KT 
NE-E-SE WIND SHIFT AND SCATTERED SHOWERS. A SECOND TROPICAL WAVE 
IS LOCATED S OF 23N IN THE E ATLC AND WILL MOVE W TO ALONG 55W 
ON FRI AND ALONG 61W ON SAT.
 
CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL WAVE LOCATED TO THE N OF 17N ALONG 71W WILL PASS 
THROUGH THE HISPANIOLA AREA TODAY...AND PASS THROUGH THE NW 
CARIBBEAN WED-THU NIGHT. ELY TRADES HAVE DIMINISHED TO 25 KT 
ACROSS THE CENTRAL CARIBBEAN BETWEEN 68W AND 77W...WITH ELY 20 
KT WINDS OBSERVED ELSEWHERE S OF 17N BETWEEN 67W AND 81W. 
SURFACE WINDS WILL INCREASE TO 25-30 KT BRIEFLY AGAIN ALONG THE 
NW COAST OF COLOMBIA LATE TONIGHT THROUGH WED NIGHT...THEN 
DIMINISH TO 20-25 KT THU-SAT AS THE EASTERLIES DIMINISH TO 
MOSTLY 15 KT OVER THE WATERS W OF 82W AND ACROSS THE WATERS E OF 
65W. THE EASTERLIES WILL INCREASE TO 20 KT AGAIN OVER THE 
TROPICAL ATLC LATE THU NIGHT AS THE NEXT TROPICAL WAVE REACHES 
ALONG 55W ON FRI AND ENTERS THE E CARIBBEAN SAT.

NOTE...GRIDDED MARINE OUTPUT 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