000 AXPZ20 KNHC 160236 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC SAT APR 16 2016 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0200 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... NORTHERN ITCZ EXTENDS FROM 04N86W TO 03N118W. A SURFACE TROUGH BREAKS THE ITCZ EXTENDING FROM 07N116W TO 04N120W. ITCZ RESUMES W OF THE TROUGH FROM 03N123W TO 01N140W. SOUTHERN ITCZ IS FROM 00S99W TO 03.4S120W. SCATTERED MODERATE CONVECTION PREVAILS ALONG THE SURFACE TROUGH WHILE ISOLATED MODERATE CONVECTION IS OBSERVED WITHIN 50 NM S OF THE SECONDARY ITCZ BETWEEN 106W AND 118W. ...DISCUSSION... A 1030 MB HIGH CENTERED NEAR 37N132W EXTENDS ITS RIDGE TO NEAR 12N95W. THIS FEATURE COMBINED WITH A LOW PRESSURE CENTERED OVER THE SW CONUS ARE SUPPORTING GALE FORCE WINDS N OF THE AREA NEAR THE COAST OF SOUTHERN CALIFORNIA. LATEST SCATTEROMETER DATA DEPICTS 30-35 KT WINDS NEAR 32N121W. THE SWELL GENERATED BY THESE WINDS IS PRODUCING LARGE SEAS TO 16 FT OVER NE WATERS NEAR THE COAST OF BAJA CALIFORNIA MAINLY N OF 28N BETWEEN 116W AND 124W. S OF THIS AREA...THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURES ASSOCIATED WITH THE ITCZ CONTINUES TO SUPPORT MODERATE TO FRESH TRADES FROM 02N TO 15.5N AND W OF 121W WITH SEAS TO 10 FT IN MIXED SWELL. LOOKING AHEAD...THE SURFACE HIGH WILL CONTINUE MOVING NE WHILE WEAKENING AND AHEAD OF A COLD FRONT THAT WILL REACH NW WATERS WITHIN THE NEXT 36 HOURS. 8-9 FT NW SWELL ASSOCIATED WITH THE FRONT WILL REACH 30N140W BY LATE SAT/EARLY SUN AND EXTEND ACROSS THE NW WATERS THROUGH EARLY NEXT WEEK. THE AREA OF SWELLS CURRENTLY ACROSS THE NE WATERS WILL SUBSIDE AND DIMINISH IN AREAL COVERAGE WHILE MOVING S EXTENDING FROM 09N TO 14N BETWEEN 109W AND 118W IN 48 HOURS. SEAS TO 9 FT ARE EXPECTED ACROSS THIS AREA. $$ ERA