Marine Weather Discussion

000
AGXX40 KNHC 031829
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT FRI JUL 03 2009

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

UPPER LEVELS...
BROAD DEEP LAYER RIDGE OVER CENTRAL ATLC BRINGS VERY DRY STABLE 
AIR MASS INTO EASTERN HALF OF SW N ATLC AND NE CARIBBEAN.  DEEP 
LAYER TROUGHS ON BOTH SIDES OF RIDGE. EASTERNMOST TROUGH SUPPORT 
LOW PRES 1013 MB NEAR 31N43W WITH FRESH TO STRONG BREEZE WITHIN 
300 NM SE QUADRANT OF CENTER.  WESTERNMOST TROUGH SUPPORTS WEAK 
COLD FRONT ACROSS ACROSS N GULF COASTAL STATES MOVING E INTO 
ATLC WATERS WITHIN NEXT 48 HRS. 

SURFACE...
SW N ATLC
HIGH PRES CENTER 1024 MB AT 27N62W HAS HEALTHY RIDGE EXTEND TO 
STRAITS OF FLORIDA.  DRY STABLE AIR MASS OVER EASTERN HALF OF 
BASIN WHILE VERY WEAK COLD FRONT SCRAPE BY N FLORIDA BORDER ON 
ITS WAY E.  RIDGE FORCED S BY COLD FRONT SQUEEZES GRADIENT ALONG 
SOUTHERN PERIPHERY INCREASING WINDS WITH LONG FETCH ACROSS 
TROPICAL ATLC BRINGING MODERATE E SWELLS INTO PICTURE.

CARIBBEAN
STRONG E WINDS OVER EASTERN CARIBBEAN TURN TEMPORARILY INTO NEAR 
GALE FURTHER W AS THEY INTERACT WITH REINFORCING STRONG WINDS 
ASSOCIATED WITH TROPICAL WAVE.  WINDS EXPECTED TO DIMINISH SAT 
THROUGH SUN AS WAVE PULLS AWAY FROM AREA.  

GULF OF MEXICO
ATLC RIDGE EXTENSION INTO GULF OF MEXICO IS WEAKENED BY COLD 
FRONT OVER N FLORIDA AND FLATTENED PRES PATTERN TO ITS SW. LIGHT 
TO GENTLE BREEZE FLOW ACROSS GULF THRU MOST OF PERIOD WITH MINOR 
RETURN FLOW ALONG SE TEXAS COAST AS ONLY FLY IN THE OINTMENT.  
WINDS INCREASE SLIGHTLY AND TEMPORARILY AS TROPICAL WAVE SKIRTS 
THE SOUTHERN FRINGES OF BASIN MON THRU WED. 

WARNINGS

ATLC...
.NONE. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.