000 AXPZ20 KNHC 071558 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1605 UTC Mon Nov 7 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 1200 UTC surface analysis and satellite imagery through 1530 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends off the coast of Costa Rica/Nicaragua near 1N86W to 10N101W to 09N116W. The ITCZ extends from 09N116W to 09N130W to 08N140W. Scattered moderate to isolated strong convection is noted from 08N to 15N and E of 107W. Scattered moderate convection is noted from 08N to 12N between 119W and 140W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Weak surface ridging extends across the Baja California peninsula. Gentle to moderate northwest to north winds are over the offshore waters of Baja California Norte with seas of 5-7 ft in NW swell. Moderate S winds are noted in the northern Gulf of California with light to gentle S winds over the rest of the Baja California offshore waters. Seas range 2 to 4 ft. In the Gulf of Tehuantepec, winds are fresh to locally strong with seas to 6 ft.Moderate winds are off the Cabo Corrientes/Jalisco coast with light to gentle winds elsewhere over the Mexican offshore waters. Seas range 4-6 ft within S to SW swell. For the forecast, a new set of NW swell associated with a cold front will move across the Baja California Norte offshore waters this evening, and reach the Cabo San Lucas offshore waters by Wed night into Thu. A cold front will move across Baja California on Tue night into Wed, with seas building to near 12 ft N of Punta Eugenia. Strong SW winds are also expected in the northern Gulf of California ahead of the front Tue night into Wed. The front will move southward over Baja California through Wed night and dissipate by Thu. Winds behind the front will increase to fresh to strong over nearly the entire Gulf by Thu night. Seas will build over the Gulf on Thu. Strong N winds will begin in the Gulf of Tehuantepec today and reach near gale force Tue evening through Wed night. Winds will gradually diminish on Thu. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to locally fresh S-SW winds remain south of the monsoon trough. Seas are up to 6 ft in the western portions of Costa Rica and Nicaragua offshore waters. Light to gentle winds are north of the monsoon trough with seas to 6 ft. Otherwise, gentle S winds with seas to 5 ft are noted across the Ecuador and Galapagos Islands offshore waters. Scattered showers and thunderstorms are over the Central American offshore waters. For the forecast, moderate to locally fresh SW winds will prevail south of the monsoon trough through Thu night, with light to gentle variable winds persisting elsewhere. Slight to moderate seas can also be expected through Thu. Scattered showers and thunderstorms will continue through mid-week mainly over the offshore waters S of the monsoon trough. REMAINDER OF THE AREA... High pressure remains across the waters north of the ITCZ/monsoon trough and W of about 120W. Moderate to locally fresh NE-E trades prevail from 10N to 27N and W of 120W. Seas in this area 7 ft in mixed swell. Moderate N to NE winds are elsewhere N of 27N with seas to 7 ft. Moderate to locally fresh SE winds and seas to 7 ft are south of the ITCZ west of 120W. Moderate to fresh SW winds are south of the monsoon trough from 00N to 08N and E of 115W. For the forecast, the pressure gradient between the ridge W of Baja California and the monsoon/ITCZ continues to relax over the region. Winds will diminish to gentle to moderate tonight through Wed night. A cold front will move south of 30N today, ushering in large N swell and fresh to locally strong winds into Wed. Seas over 12 ft will propagate to S of 30N by tonight between 124W-140W. Peak seas reaching about 15 ft can be expected Tue night and into Wed. Winds and seas associated with this front will subside toward the end of the week. $$ AReinhart