000
AGXX40 KNHC 170559
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT SAT APR 17 2010

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

E WINDS 15-20 KT OVER THE SE GULF OF MEXICO WILL DECREASE TO
BELOW 20 KT THIS AFTERNOON. OTHERWISE MOSTLY LIGHT WINDS ACROSS 
THE GULF AS THE HIGH TO THE N HAS WEAKENED AND MOVED E. A WEAK
TROUGH HAS DEVELOPED OVER THE SW GULF WILL MOVE INTO THE SE GULF 
SUN AND EXTEND FROM SW FLORIDA TO THE YUCATAN CHANNEL SUN 
AFTERNOON THEN DRIFT E MON AND MOVE E OF THE AREA ON TUE. A WEAK 
FRONT WILL BRUSH THE NORTHERN GULF MON...THEN HIGH PRES BUILDS 
ACROSS THE AREA TUE AND WED WITH LIGHT WINDS ACROSS THE ENTIRE 
AREA.

HIGH PRES RIDGE IN THE ATLC ALONG 29N WITH 15-20 KT NE-E WINDS
OVER THE S PORTION OF THE AREA S OF 22N/23N. THE HIGH WILL MOVE 
E-SE TONIGHT AND SUN AS A WEAK COLD FRONT APPROACHES THE FAR NW 
PORTION OF THE AREA SUN AFTERNOON. A TROUGH WILL MOVE FROM THE 
FLORIDA STRAITS TO THE NORTHERN BAHAMAS MON...AND MERGE WITH THE 
FRONT ON TUE. NE WINDS INCREASE TO 15-20 KT N OF THE 
FRONT/TROUGH.

NE WINDS OVER THE NE CARIBBEAN WILL CONTINUE THROUGH SUN THEN 
DECREASE MON AS THE HIGH N OF THE AREA MOVES E...WITH WINDS 
DECREASING TO 10 KT OR LESS BY THE MIDDLE OF THE WEEK. A TROUGH 
IN THE TROPICAL ATLC ZONE EXTENDS FROM 17N55W TO THE FAR SE 
CARIBBEAN. THE TROUGH WILL DRIFT S THROUGH TODAY AND THEN MOVE E 
OF THE AREA SUN. A TROUGH WILL MOVE INTO THE YUCATAN CHANNEL SUN 
AND INTO THE FAR NW CARIBBEAN SUN NIGHT AND MON THEN PULL NE OF 
THE AREA TUE. WINDS WILL SHIFT TO THE NW BEHIND THE FRONT BUT
WILL BE LIGHT...AROUND 10 KT.

WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS