000
AGXX40 KNHC 121852
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EST SAT JAN 12 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...
WESTERN EXTENSION OF ATLC HIGH PRES RIDGE PROMPTS MODERATE TO 
FRESH SE BREEZE WITH SEAS 5-6 FT ACROSS ENTIRE BASIN.  W OF 95W 
...WINDS BACK S AND INCREASE SUN AS WEAK COLD FRONT APPROACHES 
TEXAS COAST.  FRONT ENTER NORTHWEST GULF LATE SUN WITH STRONG N 
WINDS AND SEAS BUILDING TO 8 FT BEHIND BOUNDARY...BUT QUICKLY 
STALLS FROM WESTERN FLORIDA PANHANDLE TO TAMPICO MEXICO LATE TUE 
WITH WIND AND SEAS SUBSIDING.  VIGOROUS HIGH PRES CENTER 1032 MB 
BUILDS OVER TEXAS LATE TUE STRENGTHENING N WINDS TO GALE FORCE 
BY WED.

SW N ATLC S OF 31N W OF 65W...
HIGH PRES CENTER 1024 MB AT 30N72W MAINTAINS STEADY GENTLE TO 
MODERATE ANTICYCLONIC BREEZE ACROSS MOST OF BASIN...EXCEPT A 
FRESH NE BREEZE S OF 22N.  WEAK SHEAR LINE ALONG 20N...REMNANTS 
OF OLD FRONTAL BOUNDARY...BRINGS A TOUCH OF MOISTURE TO GREATER 
ANTILLES TODAY THROUGH LATE SUN.  LARGE LONG PERIOD N SWELLS... 
UP TO 10 FT...SPREAD SW ACROSS BASIN E OF 72W SUN THEN SUBSIDE 
THROUGH WED.

CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W...HIGH PRES 
CENTER 1024 MB OVER SW N ATLC AND LOW PRES 1004 MB OVER COLOMBIA 
KEEP TIGHT GRADIENT TO PRODUCE FRESH TO STRONG E BREEZE ACROSS 
MOST OF CARIBBEAN.  HIGH PRES WEAKENS AND DRIFT NE SUN AND MON 
RELAXING GRADIENT AND DIMINISHING WINDS...BUT ONLY TO BE 
REINFORCED AGAIN TUE AND WED.  LARGE LONG PERIOD N SWELLS...UP 
TO 13 FT...SPREAD S ACROSS CENTRAL ATLC THROUGH LATE MON INTO 
TROPICAL N ATLC AND SEEP INTO CARIBBEAN THROUGH ATLC PASSAGES.  

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 WALLY BARNES