000
AGXX40 KNHC 231811
MIMATS

MARINE WEATHER DISCUSSION...UPDATED   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT SUN MAY 23 2010

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

AN E-W RIDGE ACROSS THE NORTHERN GULF OF MEXICO WILL SUPPORT 
SE RETURN FLOW AT 15-20 KT OVER NW PORTION THROUGH TONIGHT. THE 
RIDGE WEAKENS MON NIGHT AS A TROUGH MOVES S OVER THE INTERIOR N 
CENTRAL COASTAL PLAINS. THE TROUGH WILL MOVE INTO THE FAR NW 
PORTION OF THE GULF TUE-WED. LOW PRES WELL E OF THE AREA IN THE 
ATLC WILL BRING NLY WINDS ACROSS THE EASTERN GULF.

ATLC 1008 MB SURFACE LOW PRES NEAR 26N69W S EXPECTED TO MOVE NNW 
TO NEAR 31N72W BY LATE TUE THEN MEANDER ALONG 31N WED THEN MOVE 
NE TO NEAR BERMUDA THU AND WELL NE OF THE AREA THU EVENING. A 
SURFACE TROUGH WILL TRAIL THE LOW FROM 31N68W TO NORTHERN 
BAHAMAS AND OVER THE FAR EASTERN PORTION OF THE AREA FRI. 
GALE FORCE WINDS WITH THE TIGHT PRES GRADIENT BETWEEN THE LOW 
AND A RIDGE TO THE E OF THE AREA...N OF 27N E OF 70W. GALE FORCE 
WINDS WILL CONTINUE THROUGH MON EVENING DECREASE TO BELOW GALE
FORCE AS THE LOW MOVE N AND THE TIGHTEST GRADIENT WILL BE N
OF 31N...HOWEVER 20-25 KT WINDS WILL CONTINUE OVER THE N PORTION 
OF THE AREA THROUGH THU...THEN DECREASE FRI.

LIGHTER THEN NORMAL TRADES ACROSS THE CARIBBEAN DO TO THE BROAD 
LOW PRES N OF THE AREA IN THE ATLC. AS THE LOW MOVES TO THE NNW
AND A WEAK RIDGE MOVES W THE GRADIENT MAY TIGHTEN SOME WITH 
TRADES INCREASING TO 15-20 KT OVER THE SE CARIBBEAN TUE NIGHT
THROUGH THU THEN ONCE AGAIN DECREASE FRI.

WARNINGS...
ATLC...
.AMZ080...GALE WARNING N OF 27N E OF 70W.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS