000 AXPZ20 KNHC 060306 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC WED JAN 06 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 0300 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A SURFACE TROUGH EXTENDS FROM 07N84W TO 05N92W. THE ITCZ EXTENDS FROM 05N92W TO 05N118W THEN RESUMES FROM 05N122W TO 05N140W. SCATTERED MODERATE CONVECTION WAS NOTED WITHIN 120 NM N OF ITCZ AXIS W OF 130W. ...DISCUSSION... A COLD FRONT EXTENDS FROM 30N118W TO 23N125W TO 21N135W WITH HIGH PRESSURE BUILDING IN THE WAKE OF THE FRONT. THE PRESSURE GRADIENT BETWEEN THE BUILDING HIGH PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS MAINTAINING FRESH TO STRONG TRADEWINDS FROM 05N TO 15N W OF 125W. THE COLD FRONT HAS HELPED USHER IN A SET OF LONG PERIOD...21 SECOND...SWELL. COMBINED SEAS ARE REACHING NEAR 20 FT OVER THE FAR NORTHERN WATERS ASSOCIATED TO THIS SWELL. THE LEADING EDGE OF THIS SWELL TRAIN WILL REACH BAJA CALIFORNIA NORTE LATER TONIGHT AND SPREAD ACROSS THE ENTIRE LENGTH OF THE BAJA CALIFORNIA PENINSULA WED. THIS WILL BRING DANGEROUS NEAR SHORE CONDITIONS TO THESE AREAS. PREVIOUS NW SWELL PROPAGATING INTO THE AREA IS MAINTAINING SEAS GREATER THAN 8 FT OVER MUCH OF THE WESTERN WATERS W OF 110W. HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA WHICH WILL HELP MAINTAIN THE AREA OF FRESH TO STRONG TRADEWINDS N OF THE ITCZ. THE NW SWELL WILL CONTINUE TO PROPAGATE SE ACROSS THE FORECAST WATERS WITH COMBINED SEAS 8 FT OR GREATER COVERING THE WATERS W OF 100W BY THU AFTERNOON. A SECOND COLD FRONT NW OF THE AREA WILL MOVE INTO THE FAR NORTHERN WATERS WED. THIS COLD FRONT WILL USHER IN ANOTHER SET OF LONG PERIOD NW SWELLS INTO THE FORECAST AREA RESULTING IN PERSISTENT LARGE AND LONG PERIOD NW SWELL WHICH WILL PRESENT POTENTIAL HAZARDOUS SURF CONDITIONS TO THE BAJA CALIFORNIA COAST. GAP WINDS... GULF OF TEHUANTEPEC...WINDS OVER THE GULF OF MEXICO HAVE VEERED TODAY WHICH HAS DIMINISHED WINDS OVER THE GULF OF TEHUANTEPEC BELOW GALE FORCE THIS AFTERNOON. WINDS AND SEAS WILL CONTINUE TO DECREASE OVER THE NEXT 24 HOURS AND ARE EXPECTED TO FALL BELOW ADVISORY CRITERIA BY WED AFTERNOON. GULF OF PAPAGAYO...WINDS WILL PULSE OVER THE GULF OF PAPAGAYO OVER THE NEXT COUPLE OF NIGHTS. WINDS WILL REACH 25 KT DURING THE LATE NIGHT AND EARLY MORNING HOURS AND DIMINISH TO 20 KT DURING THE AFTERNOON AND EARLY EVENING HOURS. GULF OF CALIFORNIA...THE COLD FRONT MOVING ACROSS THE NORTHERN WATERS HAS HELPED FOR WINDS TO REACH 25 KT OVER THE FAR NORTHERN PART OF THE GULF OF CALIFORNIA. WINDS WILL DIMINISH AS THE FRONT MOVES FURTHER SOUTHWARD AND STARTS TO WEAKEN. A SECOND COLD FRONT WILL ONCE AGAIN STRENGTHEN WINDS OVER THE FAR NORTHERN GULF OF CALIFORNIA THURSDAY. $$ AL