000
AGXX40 KNHC 020610
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
215 AM EDT SUN MAY 02 2010

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

GULF OF MEXICO...
FRESH TO STRONG SLY RETURN FLOW CONTINUES ACROSS THE GULF WATERS 
WITH SURFACE DATA AND MARINE PLATFORMS STILL SHOWING WINDS IN 
THE 20 TO 30 KT RANGE MAINLY ACROSS THE N-CENTRAL PORTION OF THE 
REGION. THIS WEATHER PATTERN IS ASSOCIATED WITH A TIGHT PRES 
GRADIENT BETWEEN A HIGH PRES CENTERED OVER THE SW ATLC AND LOWER 
PRES ACROSS EASTERN TEXAS AND MEXICO. THESE STRONG WINDS WITH 
BUILDING SEAS TO AROUND 12 FT WILL PERSIST THROUGH SUN BUT ARE 
EXPECTED TO DIMINISH SOME W OF 95W AS A COLD FRONT ENTERS GULF 
WATERS OFF THE COAST OF TEXAS SUN...FOLLOWED BY N TO NE WINDS TO 
20 KT...THEN STRETCH FROM SE LOUISIANA TO THE FAR WESTERN 
PORTION OF BAY OF CAMPECHE EARLY MON BECOMING STATIONARY...THEN 
WEAKEN LATE TUE AND DISSIPATING WED. 

SW N ATLANTIC S OF 31N W OF 55W...
HIGH PRES CENTERED NEAR 28N64W...ANALYZED AS A 1022 MB ON THE 
0000 UTC MAP...EXTENDS A RIDGE OVER THE ENTIRE AREA EWD TO 
BEYOND 55W. THIS SYSTEM WILL REMAIN NEAR THE NE PORTION OF THE 
SW ATLC THROUGH THE FORECAST PERIOD. EXPECT MODERATE TO FRESH 
BREEZE ON THE SOUTHERN PERIPHERY OF THIS HIGH...PARTICULARLY S 
OF 24N. SLY RETURN FLOW HAS ALREADY BEEN ESTABLISHED OVER THE 
FAR WESTERN PORTION OF THE AREA AND IS EXPECTED TO INCREASE TO 
20 KT LATE TONIGHT THROUGH TUE. A WEAK COLD FRONT IS EXPECTED TO 
CLIP THE FAR NW WATERS LATE TUE INTO WED.

CARIBBEAN SEA AND TROPICAL N ATLC...
TIGHT PRES GRADIENT BETWEEN HIGH PRES OVER THE SW ATLC AND LOWER 
PRES OVER THE GULF OF MEXICO IS PRODUCING FRESH TO STRONG SE 
WINDS...IN THE 20 TO 30 KT RANGE...ACROSS THE NW CARIBBEAN 
MAINLY W OF 83W INCLUDING THE YUCATAN CHANNEL. WINDS ARE 
EXPECTED TO DIMINISH TO 15 TO 20 KT BY MON LATE WITH SEAS 
SUBSIDING TO AROUND 5 FT ON TUE. WEAKENING FRONTAL BOUNDARY OVER 
THE N PORTION OF THE SW TROPICAL ATLC WILL BECOME STATIONARY 
BEFORE DISSIPATING BY LATE SUN. FRESH TO STRONG TRADES OF 20 TO 
25 KT WILL PERSIST OVER THE CENTRAL CARIBBEAN THROUGH TUE THEN 
SUBSIDE BY WED.  

WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER PAW