000
AGXX40 KNHC 211850 CCA
MIMATS

MARINE WEATHER DISCUSSION ...CORRECTED FOR TIME/WARNINGS
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
250 PM EDT FRI MAY 21 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 IS SUPPORTING SE 
WINDS 15-20 KT OVER THE SE GULF THROUGH SUN THEN DECREASE SOME 
AS THE RIDGE THEN WEAKENS. THE RIDGE WILL WEAKEN FURTHER ON TUE 
AS A WEAK TROUGH MOVES OVER THE N CENTRAL COASTAL PLAINS WITH 
LIGHT WINDS ACROSS THE NORTHERN GULF AND 10 TO 15 KT WINDS OVER 
THE SOUTHERN GULF.

ATLC LOW 1014 MB IS CURRENTLY NEAR 27N73W AND IS NEARLY 
STATIONARY. GRADIENT BETWEEN LOW AND RIDGE TO THE E PRODUCING 
STRONG WIND OVER THE E SEMICIRCLE OF THE LOW. THE LOW IS 
FORECAST TO STRENGTHEN SOME AND PRODUCE GALE FORCE BY EARLY SUN. 
THE MODEL GUIDANCE IS ALL OVER THE PLACE AS TO THE TRACK OF
THE LOW. THE LOW MAY START TO MOVE TO THE NNE ON MON AND COULD
BE N OF THE AREA TUE. CURRENT FORECAST PACKAGE CALLS FOR GALE 
CONDITIONS SUN AND MON...AS THE LOW MOVES N WIND WILL DECREASE
WITH MOSTLY LIGHT WINDS ACROSS THE ENTIRE AREA TUE AND WED.

ATLC RIDGE N OF AREA IS WEAKENING AS LOW PRES OVER THE CENTRAL 
BAHAMAS MOVES IS ALONG ROUGHLY 70W RESULTING LIGHTER THEN NORMAL
ELY TRADES ACROSS THE CARIBBEAN. TRADES ACROSS ENTIRE AREA 
SHOULD BE LESS THAN 20 KT ON SAT. WEAK LOW NEAR THE YUCATAN 
PENINSULA WILL REMAIN NEARLY STATIONARY THEN DISSIPATE ON SUN. 
AN AREA OF CONVECTION E OF THE LOW N OF 20N W OF 80W COULD 
LINGER A WHILE.

WARNINGS...CORRECTED 
ATLC...
.AMZ080...GALE CONDITIONS EXPECTED N OF 27N BETWEEN 70W AND 60W 
SUN-MON.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS/COBB