Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Tue Aug 4 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 0600 UTC surface analysis and satellite imagery through 0730 UTC. ...TROPICAL WAVES... The axis of a tropical wave is near 94W, north of 02N, moving westward at 10 to 15 kt. Nearby convection is discussed in the ITCZ/Monsoon Trough section below. The axis of a tropical wave is near 116W, moving westward at around 10 to 15 kt. Nearby convection is discussed in the ITCZ/Monsoon Trough section below. The axis of a tropical wave is near 129W, from 02N to 19N, moving westward at 10 kt. Nearby convection is discussed in the ITCZ/Monsoon Trough section below. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 10N85W to 08N98W to 08N128W to 13N127W to 09N131W. The ITCZ continues from 09N131W to beyond 08N140W. Scattered moderate to isolated strong convection is noted from 03N to 07N between 80W and 90W, and from 03N to 10N between 90W and 130W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Moderate to fresh winds prevail over the Gulf of California, with slight seas. Moderate or weaker winds, and moderate seas, prevail over the open waters off Mexico. For the forecast, the pressure gradient between high pressure NW of the area and low pressure over the Colorado River Valley will support moderate to fresh winds over the northern Gulf of California through tonight. Elsewhere, a moderate pressure gradient will support mostly gentle to moderate winds across the offshore waters of Mexico. Fresh to strong gap winds and building seas are expected across the Gulf of Tehuantepec toward the end of the week. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to locally fresh winds and moderate seas prevail over and downstream the Gulf of Papagayo. Gentle to moderate winds are found between the Galapagos Islands and Ecuador. Light to gentle winds and moderate seas are noted elsewhere. For the forecast, moderate to fresh winds will pulse across the Papagayo region, with strong winds pulsing at night the second half of the week. Moderate or weaker winds and moderate seas in SW swell are expected across the remainder of the waters through the period. ...REMAINDER OF THE AREA... Northerly swell is bringing rough seas to the waters N of 28N between 120W and 132W. Elsewhere over the discussion waters, gentle to moderate winds and moderate seas prevail. For the forecast, the rough seas in northerly swell will subside today. Southerly swell will build northward to 03N and west of 105W starting tonight. Seas may build to 8 ft in the tradewind zone in the western waters late this week.