000
AGXX40 KNHC 010650
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
300 AM EDT SUN APR 01 2012

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA 
AND TROPICAL N ATLC S OF 19N W OF 55W...AND SOUTHWEST NORTH ATLC 
FROM 19N TO 31N W OF 55W.

GULF OF MEXICO...
A CLUSTER OF SHOWERS AND TSTMS HAS DEVELOPED OVER THE BAY OF 
CAMPECHE. A DIFFLUENT PATTERN ALOFT IS HELPING TO INDUCE THIS 
CONVECTIVE ACTIVITY. 

WEAK HIGH PRES CENTERED OVER THE EASTERN GULF DOMINATES THE 
REGION WITH MAINLY MODERATE TO FRESH RETURN SE WINDS ACROSS THE 
W GULF AND LIGHT TO MODERATE WINDS ACROSS THE E GULF. WINDS WILL 
BE NE 20 KT NEAR THE YUCATAN COAST DURING THE EVENINGS. LITTLE 
CHANGE IS EXPECTED DURING THE FORECAST PERIOD. EXPECT THE 
STRONGEST WINDS ACROSS THE WESTERN GULF MON THROUGH TUE WITH 
BUILDING SEAS TO 7 FT.

CARIBBEAN SEA AND TROPICAL ATLC S OF 19N W OF 55W...
MODERATE TO FRESH TRADES WILL CONTINUE TO BLOW ACROSS THE BASIN 
THROUGH THE FORECAST PERIOD. WINDS WILL BE 20-25 KT NEAR THE 
COAST OF COLOMBIA THROUGH EARLY SUN. SCATTEROMETER DATA 
CONFIRMED THE PRESENCE OF THESE WIND SPEEDS WITH 20 KT WINDS 
ACROSS THE EASTERN CARIBBEAN AND IN THE GULF OF HONDURAS. A 
FRONTAL TROUGH WILL MOVE THROUGH THE NORTHERN PORTION OF THE 
TROPICAL N ATLC WATERS TUE AND WED. LARGE NW SWELL TO 12 FT WILL 
ARRIVE BEHIND IT SLOWLY PROPAGATING TO THE S OF THE ZONE THROUGH 
THE WEEK.

SOUTHWEST N ATLC FROM 19N TO 31N W OF 55W...
A RIDGE EXTENDS ALONG 26N/27N FROM 1023 MB HIGH PRES LOCATED E 
OF AREA. THIS RIDGE WILL WEAKEN AS A SERIES OF FRONTS/TROUGHS 
MOVE THROUGH THE NORTHERN PORTION OF THE SW N ATLC WATERS DURING 
THE NEXT SEVERAL DAYS. THE STRONGEST FRONT WILL IMPACT THE NE 
PORTION OF THE AREA MON AND TUE WITH WINDS INCREASING TO 20-30 
KT AND SEAS BUILDING TO 18 FT. THE OPERATIONAL GFS INDICATES THE 
POTENTIAL FOR MINIMAL GALE FORCE WINDS E OF THE OFFSHORE WATERS 
ZONE AS A DEEP AREA OF LOW PRES MOVES INTO THE CENTRAL ATLANTIC 
OCEAN LATE MON INTO TUE. THE EFS GALE PROBABILITY ALSO SUGGESTS 
GALE FORCE WINDS PARTICULARLY N OF 30N BETWEEN 60W AND 65W MON 
EVENING THROUGH TUE MORNING. A GALE WARNING WILL LIKELY BE IN 
EFFECT E OF 65W IN 48 HOURS. 
 
WARNINGS...

GULF OF MEXICO...
.NONE.

.CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE.

.SW N ATLC...
.NONE.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER GR