000 AXPZ20 KNHC 300939 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Tue Nov 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 0600 UTC surface analysis and satellite imagery through 0930 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: The pressure gradient between a surface high pressure over the Gulf of Mexico and lower pressure south of the Gulf of Tehuantepec associated with the monsoon trough continue to support N to NE gale-force winds across the Gulf of Tehuantepec region early this morning. Peak seas are estimated at 13 ft. Winds are forecast to diminish below gale-force later this morning then strong gap winds will remain through the weekend. Please see the latest NWS High Seas Forecast issued by the National Hurricane Center at website://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more information. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from NW Colombia near 09N74W to 08N84W to 06N95W to low pres 1012 mb near 08N108W to 08N113W. The ITCZ continues from 08N113W to 09N121W then resumes W of a surface trough near 08N122W to 08N132W to 09N140W. Numerous moderate convection is N of 04N E of 82W, and from 06N to 12N between 105W and 112W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO Please see the Special Features section above for details on an ongoing gale-force gap wind event in the Gulf of Tehuantepec. Gale-force N to NE winds are ongoing in the Gulf of Tehuantepec region and are forecast to continue through later this morning. Strong gap winds will then continue across this region today through the weekend, with winds becoming strongest at night. Moderate to locally fresh NW winds prevail across the southern Gulf of California to the offshore waters of Jalisco with seas 3 to 4 ft. Similar wind conditions are along the Baja California offshore waters with 5 ft seas in NW swell. Conditions will prevail through today for both regions. Moderate to locally fresh NW winds will resume at the entrance of the Gulf, and the southern half of the Gulf of California Wed night and along the Baja offshores on Thu, continuing through Sat night. Otherwise, light to gentle variable winds will dominate the remainder offshore waters through the forecast period. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR Fresh to strong NE winds in the Papagayo region will continue through Sat with seas building up to 8 ft today and Wed. Moderate to locally S to SW winds are expected S of the monsoon trough or roughly S of 06N through the weekend with seas to 5 ft in SW swell. Moderate N to NE winds are forecast for the Gulf of Panama through today. Otherwise, heavy showers and thunderstorms ongoing across the Colombia and Panama offshore waters are forecast to prevail through at least Wed. REMAINDER OF THE AREA... A 1025 mb center of high pressure N of the area extends a ridge southward to near 16N. The pressure gradient between the high pressure and lower pressure associated with the ITCZ is supporting moderate to fresh NE to E trades north of the ITCZ to near 24N and west of about 120W. Seas are 5-8 ft across this region. Gentle to moderate N to NE winds are N of 24N while mainly moderate SE winds are S of the ITCZ, except for fresh winds and seas to 8 ft W of 133W. NW swell to 8 ft is across the far NW forecast waters and will maintain seas near 8 ft across these NW waters through tonight. Moderate to fresh winds and seas to 8 ft will continue mainly from 13N to 23N and W of 130W through the middle of the week as the ridge remains nearly stationary. $$ Ramos