000 AGXX40 KNHC 141720 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 PM EDT FRI APR 14 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... DEEP LAYER TROUGH ACROSS REGION FROM 31N72W TO YUCATAN MAINTAINS AREA PRETTY DRY ALOFT WITH ONLY SUBTROPICAL JET STREAM CURVING NE FROM S AMERICA ACROSS GREATER ANTILLES INTO SW N ATLC. JET CORE OF 110 KT CARRIES LITTLE MOISTURE WITH NO SIGNIFICANT CONVECTION NOTICED IN ANY OF FORECAST BASINS. AT THE SURFACE... HIGH PRES RIDGE OVER SRN STATES MAINTAINS LIGHT BUT STEADY NE TO E WINDS ACROSS ENTIRE GULF OF MEXICO. RETURN FLOW SHOULD BEGIN INCREASING S WINDS W OF 95W AS RIDGE WEAKENS AND DRIFTS E BY SUN. ATLC...WEAK COLD FRONT 31N49W TO LOW PRES 1010 MB 22N67W WITH TROUGH EXTENDING SW ACROSS MONA PASSAGE. LOW PRES FOLLOWS ALONG FRONT AXIS OUT OF SW N ATLC TONIGHT...BUT SOME BRISK WINDS AND POSSIBLE SWELLS LINGER E OF 68W THROUGH SUN. WEAK COLD FRONT JUST SCRAPING NRN BORDER OF SW N ATLC BRING STRONG WESTERLIES N OF 27N SUN AND N OF 25N BY LATE MON. TROUGH/LOW PRES KEEPING STRONG NE OVER SE HALF OF FORECAST AREA DECREASING BY LATE TONIGHT AND MON AS LOW PRES MOVES NE. NWW3 LEAVES MODERATE LINGERING SWELLS E OF 72W. MOST WIND AND WAVES SUBSIDE LATE IN PERIOD AS WEATHER SYSTEMS MOVES E AWAY FROM AREA. CARIBBEAN SEA...BRISK NE WINDS SPILLING INTO EXTREME NW CARIBBEAN FROM ACROSS STRAIGHTS OF FLORIDA BUT OTHERWISE PRES GRADIENT VERY SLACK DUE TO LOW PRES JUST NE OF MONA PASSAGE. VERY LIGHT ...AND UNUSUAL...NW WINDS OVER WRN CARIBBEAN EXCEPT THAT NW CORNER OF BASIN. CENTRAL AND ERN CARIBBEAN HAVE LIGHT SLY WINDS UNDER LITTLE CLOUDINESS. TROPICAL ATLC IS UNDER SIMILAR WEATHER EXCEPT MODERATE E SWELLS PRODUCED BY LARGE ERN ATLC RIDGE. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER WALLY BARNES