000 AXPZ20 KNHC 230142 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Fri Apr 23 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. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N78W to 08N105W. The ITCZ continues from 08N105W to 06N113W to 06N140W. Scattered moderate isolated strong convection is noted from 02N to 08N between 84W and 100W, from 06N to 14N between 103W and 111W, and from 04N to 10N between 111W and 126W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A ridge dominates the offshore waters west of Baja California, producing gentle to moderate NW to N winds. Light to gentle winds prevail elsewhere over the open waters off Mexico. Seas are in the 5 to 7 ft range across much of the area in southerly swell. Gulf of California: Mainly gentle to moderate southerly winds will prevail across the Gulf the rest of the week. Winds are forecast to veer to the W and NW early next week. Gulf of Tehunatepec: Seas generated from the recent gap wind event will prevail far offshore the Tehuantepec area, with seas in the 6-8 ft range. Seas will subside below 8 ft Fri night. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... High pressure building over the NW Caribbean will support fresh to strong NE to E winds across the Papagayo area through Fri morning, with associated seas building to 8-9 ft. Light to gentle winds will prevail elsewhere through Sun. Large, long period cross- equatorial southerly swell will support seas to 8 ft across the waters between Ecuador and Galapagos Islands tonight. REMAINDER OF THE AREA... The pressure gradient between high pressure located north of the forecast area and lower pressure in the vicinity of the ITCZ supports a large area of moderate to locally fresh trade winds from 08N to 20N west of 120W. Seas are 6 to 8 ft across this region. High pressure will continue to gradually weaken as a cold front approaches from the northwest. High pressure will build in the wake of the front, and will dominate the forecast waters during the upcoming weekend. Northerly swell across the waters north of 29N between 120W and 128W will subside to less than 8 ft tonight. $$ AL