170 AXPZ20 KNHC 302137 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Fri Apr 30 2021 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 1800 UTC surface analysis and satellite imagery through 2100 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 1012 mb low pressure over northern Colombia near 09N73W to 09N90W to 11N110W to 06N124W. The ITCZ continues from 06N124W to 03N140W. Scattered moderate and isolated strong convection is noted from 03N to 09N between 77W and 98W, from 11N to 14N between 103W and 112W, and from 04N to 10N between 110W and 119W. Isolated to scattered moderate convection is noted within 60-120 nm south of the ITCZ between 120W and 140W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A broad ridge associated with high pressure centered near 34N130W is west of the Baja California peninsula. The gradient between the ridge and low pressures over Mexico is supporting moderate winds near the Baja California peninsula. Gentle to moderate winds prevail elsewhere over the waters off Mexico. Seas are in the 4-7 ft range in a mix of northwest and south swell over the open waters off Mexico. For the forecast, moderate to fresh NW to N winds will prevail west of Baja California tonight through Sat night, becoming fresh to occasionally strong on Sun. Fresh to strong winds will filter through Baja California passages across the northern and central Gulf of California Sun night. Large NW swell will build west of Baja California Sun and Mon. More tranquil marine conditions are expected across the region Tue and Wed. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Light to gentle winds prevail across the region, except moderate offshore of Ecuador. Seas are in the 4-7 ft range in lingering southerly swell. For the forecast, light to gentle winds will continue across the region through Sun night, with southerly winds increasing south of the monsoon trough axis early next week. Moderate southerly swell will gradually decay through early next week. REMAINDER OF THE AREA... A broad ridge associated with high pressure centered near 34N130W dominates the forecast waters. The gradient between the high and lower pressure in the vicinity of the ITCZ is supporting moderate to locally fresh winds north of the ITCZ, and seas in the 5-8 ft range. Gentle to moderate winds and seas in the 5-7 ft range prevail elsewhere. High pressure will continue north of the area through the weekend. Large northwest swell and fresh to strong northerly winds will spread south of 30N between 120W and 130W Sun and Mon. Marine conditions will improve on Tue and Wed. $$ Lewitsky