000
AGXX40 KNHC 230657
MIMATS

MARINE WEATHER DISCUSSION   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
255 AM EDT SUN MAY 23 2010

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

GULF OF MEXICO...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 DIPS S OVER THE 
INTERIOR N CENTRAL COASTAL PLAINS. THE TROUGH SHIFTS SE ACROSS 
THE NE AND E CENTRAL WATERS TUE-WED AS THE RIDGE BECOMES 
ORIENTATED FROM THE FL STRAITS TO NE TX. COMPLEX LOW PRES WELL E 
OF THE AREA IS MAINTAINING NE AT 15-20 KT OVER THE WATERS S OF 
25N E OF 90W. EXPECT THE EVENING ENHANCEMENT OF NE-E WINDS ALONG 
THE NW COAST OF THE YUCATAN PENINSULA.

ATLC...SURFACE LOW PRES NEAR 25N70W 1008 MB IS EXPECTED TO MOVE 
NNW TO NEAR 31N70W BY LATE TUE...THEN MOVE E ALONG 31N WED WITH 
REMNANTS PASSING BY BERMUDA THU. A SURFACE TROUGH WILL TRAIL S 
ALONG ROUGHLY 70W INTO WED. A WARM FRONT MAY DEVELOP E OF THE 
LOW MON PASSING N OF 31N EARLY TUE. BY THEN A TROUGH...OR WEAK 
COLD FRONT...WILL DEVELOP W OF THE LOW AND SWEEP SE ACROSS THE 
NW WATERS...AND ACROSS FL MERGING WITH THE GULF OF MEXICO 
TROUGH. GUIDANCE SHOWS THE ASSOCIATED WIND SHIFT PASSING THROUGH 
THE NW BAHAMAS WED NIGHT AND THE CENTRAL BAHAMAS THU. 

TROPICAL ATLC AND CARIBBEAN...THE BROAD LOW PRES N OF THE AREA 
IS RESULTING IN LIGHTER THAN NORMAL TRADES ACROSS THE TROPICS. 
LATEST GUIDANCE IS NOT AS AGGRESSIVE WITH BROAD LOW PRES NEAR 
THE YUCATAN PENINSULA...THUS DROPPED FROM GRAPHICS. A TROPICAL 
WAVE SETTING OFF CONVECTION S OF 08N ALONG 53W SHOULD MOVE 
INLAND S AMERICA EARLY MON NIGHT. A WAVE S OF 10N ALONG 40W 
TODAY IS ONLY MOVING W AT 10 KT...AND SHOULD REACH ALONG 55W 
AROUND SUNSET THU.      

WARNINGS...
ATLC...
.AMZ080...GALE WARNING N OF 27N BETWEEN 71W AND 58W.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER NELSON