000 AXPZ20 KNHC 231611 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1605 UTC Tue Feb 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 1200 UTC surface analysis and satellite imagery through 1540 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: High pressure centered over eastern Mexico continues to provide a tight pressure gradient across the area, and is producing persistent gale-force northerly winds across the Gulf of Tehuantepec region. Gale force winds are expected to continue through late Tue night. Peak seas of around 13 ft are expected this morning. Swell generated from the gale force winds will spread well downwind from the region, with seas 8 ft or greater reaching as far west as 112W by Wed night. Please read the latest NWS high seas forecast issued at the National Hurricane Center at website: https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from a 1011 mb low near 10N75W to 06N82W to 07N87W to 04N99W. The ITCZ continues from 04N99W to 03N123W to 05N135W to beyond 04.5N140W. Scattered moderate isolated strong convection is noted from 02.5N to 06N E of 79W, along and N of the ITCZ from 04N to 07.5N between 93W and 114W. Scattered moderate convection is noted from 03.5N to 06.5N between 129W to 137W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see above for more information on the Gulf of Tehuantepec gale event. Outside of the Gulf of Tehuantepec, gentle to moderate northerly winds prevail off the coast of Baja California, with seas in the 5-7 ft range. Fresh NNW winds, and seas of 3-6 ft are noted inside the Gulf of California. Gentle to moderate winds are seen elsewhere. Gale force winds across the Gulf of Tehuantepec will prevail through Tue night. Fresh to strong northwest winds will continue over the Gulf of California through tonight. Strong northwest winds are also expected over this region on Thu. New northerly swell will propagate into the waters off Baja California Norte midweek. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Overnight ASCAT data showed fresh to strong winds downwind of the Gulf of Papagayo, moderate to fresh winds downwind of the Gulf of Panama, and light to gentle winds elsewhere. Seas are in the 8-9 ft range downwind of the Gulf of Papagayo, 6-8 ft downwind of the Gulf of Panama, and 5-6 ft elsewhere. Winds will pulse to fresh to strong in the Gulf of Papagayo each night through the week. Fresh to strong northerly winds will pulse across the Gulf of Panama each night through Thu night. Light to gentle winds will prevail elsewhere. REMAINDER OF THE AREA... High pressure of 1037 mb is centered near 37N142W. The pressure gradient between this area of high pressure and lower pressure in the vicinity of the ITCZ is supporting fresh to locally strong trades north of the ITCZ to 30N and west of 130W. Gentle to moderate winds prevail elsewhere north of the ITCZ to 22N. NW swell, with seas in the 8-11 ft range, prevail west of 120W to neat 05N140W. Seas will slowly subside the next couple of days. New northerly swell will begin to move through the far northern waters Tue night through Fri. $$ Stripling