000 AXPZ20 KNHC 240917 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Wed Mar 24 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 0600 UTC surface analysis and satellite imagery through 0900 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 09N79W to 08N90W. The ITCZ continues from 08N90W to 05N100W to 03N130W to 02N133W to 03N140W. No significant convection is noted in association with the ITCZ. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A broad ridge associated with strong high pressure near 40N140W dominates the offshore waters west of Baja California, producing mainly moderate to locally fresh NW winds, and fresh to locally strong north of 28N. A scatterometer pass at 0400 UTC showed strong westerly gap winds in the Gulf of California between 27.5N and 29.5N. Seas of 8 to 11 ft in NW swell will prevail across the waters west of Baja California today, subsiding to 6-7 ft by Thu night. Strong westerly winds are possible for a couple more hours this morning across the north-central part of the Gulf of California as a frontal trough moves across the area, then diminish by the afternoon. A surface trough will approach the northern Gulf of California Thu afternoon, with strong W to SW winds ahead of the boundary Thu through Fri morning. Farther south, no gap wind events are expected in the Gulf of Tehuantepec through Sun. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Scatterometer data shows mostly gentle to moderate winds in the forecast waters. Seas are estimated to be in the 3 to 5 ft range. Fresh to strong winds are expected in the Gulf of Papagayo region Fri night through Sun night. Mainly light to gentle winds are expected elsewhere. Moderate long-period SW swell will prevail across the region the next several days. REMAINDER OF THE AREA... Strong high pressure system centered north of the forecast area near 40N140W is supporting fresh to locally strong trade winds north of the ITCZ and west of around 120W. The extent of these winds will retract today as the high pressure shifts northward. Long period northerly swell dominates most of the forecast waters west of 110W, while long period cross-equatorial SW swell continues to propagate into the area east of 110W, reaching the coastal waters of Mexico, Central America, Colombia and Ecuador. Additional pulses of SW swell will continue across the region through the weekend. $$ Mundell