000
AGXX40 KNHC 250643
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
245 AM EDT TUE MAR 25 2008

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

CURRENTLY AN UPPER ANTICYCLONE IS AT 13N65W WITH ANTICYCLONIC 
FLOW DOMINATING THE AREA E OF 70W. A DEEP LAYERED TROUGH IS 
SWINGING ENE ACROSS THE E GULF OF MEXICO. A SURFACE A RIDGE 
EXTENDS SW FROM THE CENTRAL ATLC TO THE SE BAHAMAS. ANOTHER 
RIDGE EXTENDS S ACROSS THE CENTRAL GULF OF MEXICO. A STRONG COLD 
FRONT LIES ALONG 31N70W ACROSS W CUBA TO BELIZE.
 
GULF OF MEXICO...NE 20-25 KT WINDS ARE OBSERVED S OF 27N ATTM.
LATE TODAY THE GRADIENT RELAXES AND SE RETURN FLOW SETS UP OVER 
THE W PORTION AND SPREADING E TO ACROSS ALL WATERS WED NIGHT BUT 
GRADIENT WILL SUPPORT 15-20 KT ALONG THE S AND W PERIPHERY OF 
THE GULF WATERS THROUGH THU. SE 10-15 KT THROUGHOUT FRI INTO SAT.

SW N ATLC AND TROPICAL ATLC...NW TO N WINDS W OF FRONT AT 20-30 
KT. STILL EXPECT WINDS TO FURTHER INCREASE TO 30-35 KT OVER 
WATERS N OF 29N WITHIN 480 NM W OF THE FRONT FROM SUNRISE TO 
SUNSET (12 UTC TO 00 UTC) TODAY. NWW3 HAS ADJUSTED WITH SEAS NOW 
MAXING AT 16 FT NEAR 30N70W TONIGHT. SOUTHERLY FLOW AHEAD OF THE 
FRONT AT 15-20 KT N OF 26N E OF FRONT. WINDS WILL VEER QUICKLY 
TO E BEHIND FRONT WED WITH FRONTAL REMNANTS DISSIPATING OVER THE 
SE PORTION THU. N SWELLS TO 11 FT WILL PROPAGATE S TO THE SE 
BAHAMAS AND NE CARIBBEAN ISLANDS THU AND CONTINUE S TO THE COAST 
OF S AMERICA FRI NIGHT.

CARIBBEAN...NE TO E TRADES OVER THE E CARIBBEAN WILL CHANGE 
LITTLE. N-NE 20-25 KT OVER NW CARIBBEAN BEHIND INTO MIDDAY WED. 
MAX SEAS ABOUT 11 FT IN YUCATAN CHANNEL TODAY. BY THU MOSTLY 
E 15-20 KT WINDS THROUGHOUT EXCEPT 25-30 KT ALONG COLUMBIAN 
COAST. N SWELLS TO 8 SPREADING S INTO NE CARIBBEAN PASSAGES THU.

WARNINGS...
ATLC...
GALE WARNING TODAY N OF 29N E OF 75W BEHIND FRONT. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER NELSON