000
AGXX40 KNHC 201759
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED APR 20 2011

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

GULF OF MEXICO...
HIGH PRES RIDGE TO THE E COMBINED WITH LOWER PRES OVER MEXICO IS 
PRODUCING A STRONG ENOUGH PRES GRADIENT FOR SE WINDS 20-25 KT 
ACROSS THE SW GULF. THIS PATTERN CONTINUES THROUGH SAT THEN HIGH 
PRES OVER THE ATLC STRENGTHENS SUN WITH WITH SE WINDS 20 KT 
ACROSS MUCH OF THE GULF AT THAT TIME. THE WINDS DECREASE SOME ON 
MON.

SOUTHWEST N ATLC W OF 55W...
LOW PRES E OF THE AREA COMBINED WITH A RIDGE ACROSS THE N 
PORTION OF THE AREA IS PRODUCING NE 20 WINDS OVER THE EASTERN 
PORTION OF THE ZONE. THE LOW IS CURRENTLY PRODUCING GALE FORCE 
WINDS BUT IS FORECAST TO WEAKEN TO BELOW GALE FORCE THU 
AFTERNOON AND REMAIN E OF THE AREA. NE SWELLS BUILD 8-10 FT
S OF 27N E OF 70W THU THEN ACROSS THE AREA E OF 72W SAT AND SUN 
THE SLOWLY SUBSIDE ON MON. GENERALLY E TO SE WINDS 10-15 KT 
ACROSS THE REMAINDER OF THE AREA THROUGH EARLY NEXT WEEK.

CARIBBEAN SEA AND TROPICAL ATLC W OF 55W...
RATHER TRANQUIL CONDITIONS ACROSS THE CARIBBEAN THE ONLY 
EXCEPTIONS BEING THE GULF OF HONDURAS AND THE WINDWARD PASSAGE. 
ELY WINDS 20 KT WITH SEAS TO 8 FT IN THE GULF OF HONDURAS. THESE 
CONDITIONS ARE EXPECTED TO CONTINUE THROUGH FRI NIGHT THEN 
DECREASE TO BELOW 20 KT OVER THE WEEKEND INTO EARLY NEXT WEEK.
NE WINDS 20 KT THROUGH THE WINDWARD PASSAGE WILL CONTINUE 
THROUGH THE WEEKEND THEN DECREASE TO LESS THEN 20 KT ON MON. 
OTHERWISE ELY WINDS 10-15 ACROSS THE REMAINDER OF THE CARIBBEAN.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS