Eastern Pacific Tropical Weather Discussion
142 AXPZ20 KNHC 020405 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Mon Nov 2 2026 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 0350 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 09N84W to 07N110W to 10N140W. Scattered moderate isolated strong convection is noted from 01S to 12N E of 100W, and from 03S to 14N between 103W and 135W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weakening and leading cold front extends from central Arizona SW to Punta Eugenia where it starts to dissipate. A trailing cold front has entered Baja California Norte and extends from Tijuana SW to 30N126W. Fresh to stron SW winds are ahead of the leading front N of 29N with moderate seas to 6 ft. North of front fresh NW winds and seas to 4 ft are present. Aside from the northern Gulf of California, moderate NNW winds and moderate seas to 7 ft, are affecting the Baja California offshores N of Punta Eugenia. Fresh to near gale force N to NE gap winds, and rough seas to 9 ft are over the the Gulf of Tehuantepec. Elsewhere, light to gentle winds and moderate seas to 6 ft prevail, except slight seas over the central and southern Gulf of California. For the forecast, fresh to strong N gap winds, and rough seas to 8 ft, over the Gulf of Tehuantepec will decrease Mon morning. A cold front over the Baja California Norte offshore waters will move across the Gulf of California and east of the area by Mon morning. Fresh to strong winds, and moderate seas to 6 ft, over the northern Gulf of California ahead and following the front will decrease through Mon morning. High pressure will build in the wake of the front. The pressure gradient between this area of high pressure and low pressure over Mexico will support moderate to fresh northerly winds in the Gulf of California as well as offshore the Baja California peninsula through midweek. Long period NW swell will build seas to 8 to 9 ft N of Cabo San Lazaro Tue night into Thu. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to strong NE winds and seas of 8 ft are over and downstream the Gulf of Papagayo to near 90W. Moderate or weaker winds and moderate seas in SW swell are elsewhere. Otherwise, scattered heavy showers and tstms are across the offshore waters between Colombia and Costa Rica. For the forecast, fresh to strong NE to E gap winds over the Gulf of Papagayo region will diminish to moderate or weaker speeds by Mon evening. Low pressure may develop SW of Costa Rica late Tue and is forecast to bring an increase in winds and seas over the waters off Costa Rica and Panama into early Fri morning. ...REMAINDER OF THE AREA... A weakening and leading cold front extends from central Arizona SW to Punta Eugenia where it starts to dissipate to 22N122W. A trailing cold front has entered Baja California Norte and extends from Tijuana SW to 30N126W. Moderate NNE winds, and seas of 7-8 ft are from 20N to 27N extending to 135W. From the ITZC to 20N and W of 106W, winds are moderate from the ENE and seas are moderate. Elsewhere, winds are ligh to gentle with slight to moderate seas. For the forecast, the front will shift east of the discussion area tonight, with winds and seas decreasing. A new cold front is forecast to enter the NW waters on Mon, which will be followed by fresh to strong winds and long period NW swell resulting in very rough seas to 13 ft over the far NW waters. The front will move eastward and dissipate Tue night west of the Baja California offshore waters. NW swell generated from the frontal system will spread SE, bringing rough seas over much of the waters N of 10N and W of 120W by midweek.