670 AXPZ20 KNHC 300333 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Wed Nov 30 2022 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 0000 UTC surface analysis and satellite imagery through 0240 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: Strong high pressure is forecast to build over the Gulf of Mexico behind a cold front Wed through Thu, and will support gale force winds over the Gulf of Tehuantepec by Thu morning. Strong northerly winds will begin across the Tehuantepec region Wed night, and increase to gale force from Thu morning through Fri morning. Seas will build to 8-12 ft during this time. Strong winds will persist Fri afternoon through the weekend as well as seas remaining 8-11 ft. Winds could pulse to near gale-force Fri night and Sat night. Please see the latest High Seas Forecast at http://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from near 10.5N75W to 08N83W to low pressure near 12N116W 1011 mb to 10N120W. The ITCZ extends from 10N120W to beyond 07N140W. Scattered moderate isolated strong convection is noted from 05.5N to 14.5N between 90W and 99W, and from 09N to 16.5N between 104W and 117W. Scattered moderate convection is noted from 08N to 10N W of 122W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Moderate NW winds prevail across the offshore waters of Baja California Norte tonight. Seas are 6 to 9 ft in fresh NW swell, highest across the NW waters. Moderate to locally fresh N winds in the northern Gulf of California earlier today have subsided in recent hours with seas currently remaining 2 to 3 ft. Elsewhere, mainly gentle NW winds prevail. Seas are 5 to 6 ft across the remaining waters of Baja California, 3 ft or less in the Gulf of California, and 3 to 5 ft between Tehuantepec and Acapulco offshore waters. For the forecast, NW to N swell dominating the Baja California waters will slowly subside through Wed night. A strong and significant gap wind event will develop in the Tehuantepec region Wed night, reaching gale force Thu morning through Fri morning. Winds will then remain strong and could pulse to near gale-force Fri night and Sat night. A strong cold front is expected to stall across the Baja Norte waters around midday Fri and weaken quickly. Accompanying large NW swell will reach Baja Norte waters Fri morning and build to 10-11 ft Fri night before beginning to slowly fade late Sat. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh NE winds are noted in the Gulf of Papagayo region tonight and extend offshore to near 10N88.5W. Light to gentle variable winds prevail elsewhere N of 09N, with seas of 4 to 6 ft. Moderate SW to W winds and 5 to 6 ft seas are to the S of the trough. Gentle to moderate winds prevail off the Ecuador offshore waters to the Galapagos Islands with seas 4 to 6 ft. Scattered showers and a few modest thunderstorms remain active across the coastal waters of Colombia, Panama and Costa Rica, and extend southward to 05N. For the forecast, moderate winds and seas will persist S of 09N into the weekend as a weak pressure pattern prevails. Fresh gap winds over the Papagayo region will persist into the upcoming weekend. Winds across the Papagayo region will pulse to strong each night through Sat, and extend beyond 92W Wed night through Fri, then retract to E of 90W on Sat. REMAINDER OF THE AREA... A 1020 mb high is center across the NE Pacific near 35.5N133W, and extends a ridge SE into the area waters, between 110W and 140W. Moderate to locally fresh NE to E winds and seas of 6 to 8 ft are dominating the area N of the monsoon trough/ITCZ to 20N and W of 123W. Gentle to moderate winds and seas of 6 to 7 ft are noted elsewhere north of the monsoon trough. Moderate to locally fresh S/SW winds are noted S of the ITCZ/monsoon trough W of 110W. Gentle to moderate SW winds are noted S of the monsoon trough E of 110W. For the forecast, little change in marine conditions is expected through early Wed. A strong cold front is expected to reach the far NW waters Thu morning, bringing fresh to locally strong SW winds ahead of it on Wed night. Behind the front, strong to near gale force NE winds are expected. The NW swell behind this advancing front will raise seas 15 to 17 ft across the far NW waters near 30N140W by late Thu. The front is expected to reach from 30N125W to 26N140W by Fri morning before weakening considerably by Sat morning. $$ Stripling