000 AXPZ20 KNHC 300859 RRA TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC SAT JAN 30 2021 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. ...SPECIAL FEATURES... GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE ACROSS THE GULF OF MEXICO AND THE NE PACIFIC MONSOON TROUGH IS SUPPORTING GALE FORCE NORTHERLY GAP WINDS TO 35 KT ACROSS THE GULF OF TEHUANTEPEC THIS EVENING. THESE MINIMAL GALE WINDS ARE EXPECTED TO CONTINUE THROUGH ABOUT MIDNIGHT BEFORE GRADUALLY DIMINISHING BELOW GALE FORCE, AND THEN DIMINISH TO BELOW 20 KT BY LATE SAT AFTERNOON. THIS PATTERN CONTINUES TO GENERATE LARGE SEAS, WITH SEAS TO 12 FT EXTENDING DOWNWIND TO 10.5N99W, AND SEAS 8 FT AND GREATER SPREADING AS FAR WEST AS 110W TONIGHT. LOOKING AHEAD, MORE GALES ARE LIKELY SUN NIGHT THROUGH EARLY NEXT WEEK. PLEASE SEE THE LATEST HIGH SEAS FORECAST AT HTTP://NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML FOR MORE DETAILS. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 11N73W TO 04N88W. THE ITCZ EXTENDS FROM 04N88W TO 03.5N104W TO 06N119W TO 03N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 04N TO 13N BETWEEN 116W AND 131W AND FROM 04N AND 15N BETWEEN 131W AND 140W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... PLEASE SEE THE SPECIAL FEATURES SECTION FOR DETAILS ON A GALE WARNING FOR THE GULF OF TEHUANTEPEC REGION. OUTSIDE OF THE GULF OF TEHUANTEPEC, MODERATE NW WINDS PREVAIL ACROSS THE OFFSHORE WATERS OF NORTHERN AND CENTRAL BAJA CALIFORNIA, WHERE SEAS ARE 6-11 FT IN NW SWELL. THIS IS OCCURRING BEHIND A WEAKENING COLD FRONT THAT HAS STALLED ACROSS THE NORTHERN GULF OF CALIFORNIA AND EXTENDS SW ACROSS CENTRAL BAJA TO BEYOND 22N125W. THE LARGE NW SWELL OFF BAJA CALIFORNIA NORTE WILL SPREAD SOUTHWARD ACROSS THE WATERS WEST OF THE BAJA CALIFORNIA PENINSULA INTO SAT, THEN SUBSIDE. NEW NW SWELL WILL REACH THE WATERS OFF BAJA CALIFORNIA NORTE BY MON NIGHT. FRESH TO STRONG SW WINDS CONTINUE IN THE NORTHERN GULF OF CALIFORNIA JUST AHEAD OF THE FRONT THIS EVENING. FRESH TO STRONG NW WINDS WILL BRIEFLY OCCUR BEHIND THE FRONT NORTH OF 31N DURING THE NEXT SEVERAL HOURS. LOCALLY STRONG WINDS ARE ALSO POSSIBLE THIS EVENING THROUGH SAT NIGHT ALONG THE COAST OF CABO CORRIENTES. FRESH TO STRONG SW WINDS ARE POSSIBLE IN THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA SAT NIGHT INTO SUN NIGHT AS HIGH PRESSURE BUILDS INTO THE REGION BEHIND THE DISSIPATING FRONT. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... STRONG OFFSHORE WINDS PREVAIL ACROSS THE GULF OF PAPAGAYO, WITH FRESH TO STRONG NORTHERLY WINDS IN THE GULF OF PANAMA. LIGHT TO GENTLE WINDS ARE NOTED ELSEWHERE. SEAS ARE IN THE 7-10 FT RANGE IN AND DOWNWIND OF THE GULF OF PAPAGAYO, 6-8 FT DOWNWIND OF THE GULF OF PANAMA, AND 3-6 FT ELSEWHERE. FRESH TO STRONG OFFSHORE WINDS WILL PREVAIL ACROSS THE PAPAGAYO REGION THROUGH SUN, THEN WILL PULSE THROUGH THE MIDDLE OF NEXT WEEK. LARGE SEAS GENERATED FROM THE PAPAGAYO WINDS WILL MERGE WITH NW SWELL MOVING AWAY FROM TEHUANTEPEC, AND ALSO MIX WITH W SWELL MOVING THROUGH THE REGION TO CREATE CONFUSED SEAS OF 7-10 FT ACROSS THE OFFSHORE WATERS OF EL SALVADOR AND GUATEMALA TONIGHT INTO SAT. FRESH TO STRONG NORTHERLY WINDS WILL PREVAIL IN THE GULF OF PANAMA THROUGH EARLY SUN, WITH SEAS REMAINING UP TO AROUND 8 FT. GENERALLY MODERATE WINDS ARE EXPECTED ELSEWHERE. REMAINDER OF THE AREA... A WEAKENING COLD FRONT EXTENDS ACROSS THE NORTHERN PART OF THE DISCUSSION AREA FROM CENTRAL BAJA CALIFORNIA TO 22N125W. GENTLE TO MODERATE ANTICYCLONIC WINDS PREVAIL ACROSS THE WATERS NORTH OF THE FRONT TO 30N, WITH SEAS AS HIGH AS 12 FT NORTH ALONG 30N125W. THE LARGE NW SWELL ASSOCIATED WITH THE FRONT WILL SPREAD SOUTH- SOUTHEASTWARD ACROSS THE FORECAST REGION THROUGH THE WEEKEND. THE PRESSURE GRADIENT BETWEEN BROAD AND WEAK HIGH PRESSURE BEHIND THE FRONT AND LOWER PRESSURES IN THE VICINITY OF THE ITCZ IS SUPPORTING FRESH NE TRADE WINDS NORTH OF THE ITCZ TO 18N, WEST OF 115W. SEAS IN THIS AREA ARE IN THE 8 TO 11 FT RANGE IN MIXED NW SWELL AND NE TRADEWIND SWELL. TRADE WINDS WILL INCREASE TONIGHT AS HIGH PRESSURE BUILDS NORTH OF THE AREA BEHIND THE COLD FRONT. NEW NW SWELL WILL PROPAGATE INTO THE NW WATERS SAT NIGHT. $$ STRIPLING