000 AXPZ20 KNHC 220224 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC SUN MAR 22 2015 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 0230 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE ITCZ EXTENDS FROM 03N107W TO 06N127W TO 05N140W. NO SIGNIFICANT CONVECTION WAS NOTED. ...DISCUSSION... WEAKENING HIGH PRESSURE OF 1023 MB CENTERED NEAR 29N128W EXTENDS A RIDGE SE TO NEAR 20N110W. THE PRESSURE GRADIENT BETWEEN THE AREA OF HIGH PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS PRODUCING MODERATE TO FRESH TRADEWINDS N OF THE ITCZ TO AROUND 20N AND W OF 120W. THIS AREA OF FRESH TRADES IS HELPING FOR SEAS TO 8 FT FROM 09N TO 14N W OF 132W. NW SWELL WILL PROPAGATE INTO THE NW WATERS SUN MORNING WITH SEAS REACHING NEAR 10 FT OVER THIS AREA. THE SWELL WILL SLOWLY SUBSIDE WHILE SPREADING S AND E THROUGH MON. THE AREA OF HIGH PRESSURE WILL WEAKEN OVER THE NEXT 24 HOURS WHILE A NEW AREA OF HIGH PRESSURE BUILDS N OF THE AREA. AS THE AREA OF HIGH PRESSURE BUILDS N OF THE AREA BY MON MORNING...THE PRESSURE GRADIENT WILL TIGHTEN OFF THE COAST OF BAJA CALIFORNIA WITH WINDS STRENGTHENING AND ASSOCIATED SEAS BUILDING TO 8 FT. E OF 120W...GENERALLY LIGHT TO MODERATE WINDS PERSIST WITH SEAS MOSTLY 3 TO 5 FT ACROSS THE REGION. LOOKING AHEAD...ANOTHER BUILDING RIDGE OVER THE GULF OF MEXICO WILL SUPPORT FRESH TO STRONG GAP WINDS THROUGH THE GULF OF TEHUANTEPEC LATE MONDAY AND EARLY TUESDAY. LOOKING FURTHER AHEAD...VARIOUS WAVE MODELS ARE INDICATING LONG PERIOD SW SWELL CROSSING THE EQUATOR W OF THE GALAPAGOS ISLANDS ON TUESDAY...WITH WAVE HEIGHTS TO AT LEAST 7 FT REACHING THE MEXICAN AND CENTRAL AMERICAN COASTS BY LATE WEDNESDAY OR EARLY THURSDAY. $$ AL