000
AGXX40 KNHC 181823
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT FRI MAR 18 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 1026 MB OVER SE U.S. PROMPTS LIGHT BREEZE 
ACROSS NE GULF AND MODERATE WINDS ELSEWHERE.  ONLY EXCEPTION ARE 
STRONG WINDS FROM SW N ATLC SPILLING INTO SE GULF ACROSS STRAITS 
OF FLORIDA WITH 20 KT EXPECTED MON AND TUE.  NO SIGNIFICANT 
CHANGE ELSEWHERE THROUGH FORECAST PERIOD. 

SW N ATLC W OF 55W...
HIGH PRES CENTER 1025 MB N OF AREA RIDGES INTO NORTHERN WATERS 
BEHIND COLD FRONT FROM 31N69W TO NRN BAHAMAS.  FRONT MOVES E OF 
65W AND DISSIPATES LATER TONIGHT.  SECOND COLD FRONT CROSSES S 
OF 31N BUT REMAINS N OF 27N SUN WITH STRONG NE BREEZE N OF 
BOUNDARY.  HIGH PRES BEHIND FRONT WEAKENS TUE WITH WINDS 
BECOMING A FRESH BREEZE ACROSS MUCH OF AREA. 

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
FRESH TO STRONG NE TRADES FORCED BY TIGHT PRES GRADIENT BETWEEN 
HIGH PRES N OF AREA 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 TODAY AS NE FETCH AND DURATION LENGTHEN.  MEANWHILE 
FRESH NE-E TRADES WITH 5-7 FT SEAS RULE ACROSS TROPICAL N ATLC 
THROUGH PERIOD.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER WALLY BARNES