


Tropical Weather Discussion
Issued by NWS
Issued by NWS
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888 AXPZ20 KNHC 100202 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Thu Jul 10 2025 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 0200 UTC. ...TROPICAL WAVES... The axis of a tropical wave is near 81W north of 05N, moving west at 10 to 15 kt. Nearby convection is discussed in the ITCZ/monsoon trough section below. The axis of a tropical wave is near 101W north of 05N, moving westward at around 15 kt. Nearby convection is discussed in the ITCZ/monsoon trough section below. The axis of a tropical wave is near 113W north of 05N, moving westward 5 to 10 kt. Nearby convection is discussed in the ITCZ/monsoon trough section below. The axis of a tropical wave is near 125W from 06N to 21N, moving westward at 5 to 10 kt. Nearby convection is discussed in the ITCZ/monsoon trough section below. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 09N85W to 08N90W to 11N108W to 10N117W. The ITCZ continues from 10N117W to 09N123W, and from 08N126W to 08N140W. Scattered moderate convection is noted from 01N to 08N E of 92W. Scattered moderate and isolated strong convection is noted from 10N to 17N between 100W and 108W, and from 04N to 10N between 110W and 140W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Moderate to fresh winds are noted over the Gulf of Tehuantepec, with gentle to moderate winds elsewhere south of southern Mexico. Gentle to moderate winds are west of Baja California Norte, except for fresh NW winds funneling off Punta Eugenia. Gentle winds are elsewhere across the discussion waters. Seas are in the 4-6 ft range over the open waters off Mexico, and 1-3 ft in the Gulf of California. For the forecast, fresh to locally strong winds will pulse overnight in the Gulf of Tehuantepec. Winds are forecast to strengthen in the northern Gulf of California Thu through Fri night. Moderate to fresh winds will be offshore Baja California Norte through Thu night, locally strong tonight just S of Punta Baja. Mainly gentle to moderate winds will prevail elsewhere. Moderate seas will prevail across the open waters over the next several days. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate winds are over and downstream of the Gulf of Papagayo. Light to gentle winds are elsewhere N of 04N. S of 04N, gentle to moderate winds prevail. Seas are in the 4-6 ft range, reaching 7 ft between Ecuador and the Galapagos Islands. For the forecast, moderate to fresh winds will pulse across the Gulf of Papagayo through late Fri. Gentle to moderate winds will prevail between Ecuador and the Galapagos Islands. Elsewhere, light to gentle winds will prevail. Moderate seas in S to SW swell will prevail over the regional waters during the period, except building to rough S of the Galapagos Islands by the end of the week. Fresh to strong gap winds may return to the Gulf of Papagayo early next week. ...REMAINDER OF THE AREA... High pressure prevails over the waters north of 20N. Gentle to moderate winds prevail north of the ITCZ/monsoon trough. Moderate to fresh winds are south of the ITCZ/monsoon trough. Southerly swell of 7 to 8 ft is impacting the waters south of 05N and west of 110W. Elsewhere seas are in the 4 to 7 ft range. For the forecast, cross equatorial, rough southerly swell will cover the waters S of 06N and W of 100W through the end of the week, with a reinforcing set this weekend. Seas may build to near 8 ft in fresh N swell along 30N between 120W and 130W at the end of the week into the weekend. Winds will freshen S of the ITCZ today, persisting into the weekend. $$ AL