000
AGXX40 KNHC 041750
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED JUL 4 2012

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

GULF OF MEXICO...
STATIONARY HIGH PRES RIDGE ALONG 28N BRING LIGHT TO MODERATE E 
TO SE BREEZE AND SLIGHT SEAS ACROSS MOST OF BASIN.  ALTHOUGH A 
SWATH OF MOIST AIR MASS CROSSES NE QUARTER OF GULF...NO UPLIFT 
MECHANISM EXIST TO PRODUCE ANY MORE THAN ISOLATED CONVECTION.  
DRY STABLE CONDITIONS RUE ELSEWHERE.  MODEL GUIDANCE AGREE 
UNIVERSALLY IN MAINTAINING CONDITIONS UNCHANGED THROUGH SUN SO 
FORECAST CARRIES HIGH CONFIDENCE IN FOLLOWING IT.

SOUTHWEST NORTH ATLC S OF 31N W OF 65W...
CENTRAL ATLC STATIONARY HIGH PRES RIDGE ALONG 29N EXTENDS W 
ACROSS ENTIRE BASIN TO FLORIDA.  PREVAILING LIGHT TO MODERATE  
SE TO S BREEZE EXPECTED TO CONTINUE THROUGH ENTIRE BASIN THROUGH 
SUN.  NORTHERN TIP OF TROPICAL WAVE EMBEDDED IN ELY FLOW ALONG 
62W TIGHTENS PRES GRADIENT S OF 22N WITH FRESH NE TRADES AND 5-7 
FT SEAS WITHIN 120 NM W OF WAVE AXIS.  SCATTERED CONVECTION 
ASSOCIATED WITH TROPICAL WAVE S OF 23N MAINLY OVER PUERTO RICO 
TODAY AND TONIGHT THEN OVER HISPANIOLA THU THROUGH FRI.  WITH 
MODEL GUIDANCE IN GOOD CONSONANCE...FORECAST MAINTAINS HIGH 
CONFIDENCE. 

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
FRESH TO STRONG E-NE BREEZE ACROSS CENTRAL CARIBBEAN WITH SEAS 
8-11 FT EXPECTED THROUGH SUN AS WEAK LOW PRES CENTER 1008 MB 
DEVELOPS OVER NE COLOMBIA.  NUMEROUS TSTMS MAINLY S OF 16N W OF 
79W ASSOCIATED WITH TROPICAL WAVE ALONG 86W EXPECTED TO DIMINISH 
TONIGHT AND THU AS WAVE MOVES INLAND CENTRAL AMERICA.  SECOND 
TROPICAL WAVE...PRESENTLY ALONG 62W...BRINGS REINFORCING WINDS 
AND BUILDING SEAS IN ADDITION TO ANOTHER CLUSTER OF TSTMS WITHIN 
120 NM OF WAVE AXIS.  WELL ANCHORED RIDGE WITH LONG FETCH OF NE 
TO E TRADES PERSISTING SEVERAL MORE DAYS...MAINTAINING SEAS 6-7 
FT ACROSS TROPICAL ATLC WATERS.

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 WALLY BARNES