000
AGXX40 KNHC 171749
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT THU MAR 17 2011

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...
BROAD HIGH PRES CENTER 1027 MB OVER SE STATES PROVIDE SOURCE OF 
STEADY LIGHT TO MODERATE BREEZE OVER NE QUARTER OF GULF AND 
FRESH E TO SE FLOW TO REMAINDER OF BASIN THROUGH ENTIRE FORECAST 
PERIOD.  ONLY EXCEPTION IS SLIGHTLY STRONGER E WINDS ALONG 
STRAITS OF FLORIDA WHICH GET SPILLOVER OF STRONG WINDS FROM SW N 
ATLC S OF 23N W OF 70W.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
FRESH TO STRONG NE TRADES FORCED BY TIGHT PRES GRADIENT BETWEEN 
1027 MB HIGH PRES N OF BASIN AND DEEPENING LOW PRES OVER 
NORTHERN COLOMBIA CONTINUE THROUGH MON.  STRONGEST WINDS ALONG 
COAST OF COLOMBIA WHERE NEAR GALE WINDS HAVE BEEN NOTED AND IN 
VICINITY OF ATLC PASSAGES.  SEAS BUILD UP TO 13 FT ALONG COAST 
OF COLOMBIA TONIGHT AND FRI AS NE FETCH AND DURATION LENGTHEN.  
MEANWHILE FRESH NE-E TRADES WITH 5-7 FT SEAS RULE ACROSS 
TROPICAL N ATLC THROUGH PERIOD.

SW N ATLC W OF 55W...
HIGH PRES CENTER 1027 MB N OF AREA RIDGES INTO NORTHERN WATERS 
THROUGH 31N68W BEHIND COLD FRONT FROM 31N72W TO NRN BAHAMAS THIS 
AFTERNOON.  COLD FRONT MOVES E OF 65W AND DISSIPATES FRI. LINE 
OF SCATTERED TSTMS ALONG BOUNDARY N OF 29N DIMINISHING QUICKLY 
AS AIR MASS LOSES IDENTITY.  HIGH PRES WEAKENS LATE SUN AS WEAK 
COLD FRONT MOVING S SNEAKS BARELY S OF 31N AND STALL OVER NE 
PORTION MON AS HIGH PRES REBUILDS ALONG 29N LATE MON.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER WALLY BARNES