000
AGXX40 KNHC 161816
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
215 PM EDT SAT MAR 16 2013

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...                                             
HIGH PRES RIDGE ALONG 27N WILL CONTINUE TO SHIFT EASTWARD AND 
ALLOW SOUTHERLY ANTICYCLONIC RETURN FLOW TO DOMINATE THE REGION 
THE NEXT 2-3 DAYS...AHEAD OF A COLD FRONT EXPECTED TO REACH THE 
TEXAS COAST MON NIGHT. THE FRONT WILL PUSH SE INTO THE NORTH- 
CENTRAL GULF TUE AND EXTEND FROM THE FLORIDA PANHANDLE TO 
TAMPICO MEXICO TUE THEN WEAKEN AND STALL FROM CENTRAL FLORIDA TO 
TAMPICO TUE NIGHT AND WED. LOW PRES DEVELOPING OVER OKLAHOMA AND 
NORTHERN TEXAS WILL LIFT THE STATIONARY FRONT NORTHWARD AS A 
WARM FRONT THU. FRESH TO STRONG NE WINDS INITIALLY BEHIND THE 
FRONT WILL QUICKLY TAPER OFF TUE AS THE FRONT LOSES ITS PUNCH. 
                                           
CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W...           
A SHEAR LINE EXTENDING FROM SOUTHERN HAITI TO THE EAST COAST OF 
NICARAGUA WILL BECOME DIFFUSE TONIGHT. HIGH PRES RIDGE N OF THE 
AREA ALONG 27N WILL SHIFT SLOWLY EASTWARD THROUGH TUE WHILE WEAK 
LOW PRES PERSISTS OVER NORTHERN COLOMBIA. FRESH TO STRONG E-NE 
TRADE WINDS WILL PREVAIL OVER THE CENTRAL CARIBBEAN THROUGH MON 
THEN WEAKEN TUE AND WED AS THE PRES GRADIENT RELAXES. MAX WINDS 
IN THE GULF OF HONDURAS WILL PULSE AT 20-25 KT SUN NIGHT AND MON 
NIGHT THEN DIMINISH TUE...WITH SEAS BUILDING TO 6-7 FT. MODERATE 
TO FRESH TRADE WINDS WILL PREVAIL ELSEWHERE ACROSS THE CARIBBEAN 
THROUGH THU. THE TAIL OF AN ATLC COLD FRONT WILL TRANSITION INTO 
A SHEAR LINE ACROSS NORTHERN PORTIONS OF THE TROPICAL N ATLC SUN 
WITH FRESH NE WINDS N OF THE BOUNDARY AND MODERATE E WINDS S OF 
IT. THE SHEAR LINE WILL REACH ROUGHLY ALONG 19N THROUGH MON THEN 
DISSIPATE TUE.

SW N ATLC S OF 31N W OF 55W...                                  
HIGH PRES RIDGE ALONG 27N WILL SHIFT SLOWLY EASTWARD THROUGH MON 
THEN MIGRATE N ALONG 30N TUE AS A COLD FRONT APPROACHES NORTHERN 
FL. S TO SW WINDS WILL INCREASE OVER NW WATERS MON NIGHT AND TUE 
AHEAD THE FRONT...EXTENDING FROM 31N75W TO CENTRAL FLORIDA TUE 
NIGHT...FROM BERMUDA TO SOUTHERN FLORIDA WED...AND STATIONARY 
FROM 31N62W TO 26N71W TO SOUTHERN FLORIDA THU. MODERATE TO FRESH 
WINDS ARE EXPECTED BEHIND THE FRONT WITH HIGHEST WINDS N OF 30N.

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

WARNINGS...

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE.

SW N ATLC...
.NONE.

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

$$
FORECASTER MUNDELL