Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Wed Apr 29 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 0800 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough axis extends from 07N78W to 09N88W to 06N99W. An ITCZ extends from 06N99W to 09N128W to beyond 06N140W. Numerous moderate to scattered strong convection is seen near the ITCZ from 08N to 14N between 114W and 134W. Scattered moderate convection is occurring near and south of the trough from 02N to 06N between 86W and 95W...and from 02N to 08N between 112W and 129W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Ridging off Baja California combined with troughing over northwest Mexico supports moderate to fresh NW to N winds and seas of 4 to 6 ft off the peninsula. Moderate NW winds with 3 to 4 ft seas are seen across the central and southern Gulf of California, light to gentle winds and seas at 1 to 2 ft dominate the rest of the Gulf. Light to gentle winds with 4 to 5 ft seas in mixed moderate swells prevail for the offshore waters of central and southern Mexico. For the forecast, a broad surface ridge building southeastward from a high west of the U.S. west coast will cause moderate to fresh NW to N winds west of Baja California today through Thu night. In response, W to NW fresh to strong winds are expected in the Gulf of California Thu and Thu night. In the long term, strong to near-gale force gap winds along with rough seas will impact the Gulf of Tehuantepec Sun through Mon. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to locally strong NE to E gap winds and seas of 4 to 6 ft are present at the Papagayo region. Moderate to fresh N winds with 3 to 4 ft seas are noted at the Gulf of Panama. Gentle to moderate SE to SW winds and 4 to 7 ft seas in moderate S swell persist in waters near the Galapagos Islands and off Ecuador. Light to gentle winds with 2 to 4 ft seas prevail for the remainder offshore waters in Central America, and off Colombia. For the forecast, fresh with locally strong NE to E winds during nighttime are anticipated to continue in the Papagayo region through Thu night. Northerly winds at the Gulf of Panama will pulse to fresh again tonight. Long-period S swell is going to maintain moderate seas near the Galapagos Islands and off Ecuador through this weekend. ...REMAINDER OF THE AREA... Tightened gradient between a surface trough near 29N130W and a broad surface ridge to the northwest is keeping moderate to fresh NE to E winds and seas of 6 to 7 ft north of 22N and west of 125W. Scattered showers are noted near this feature. Gentle to moderate with locally fresh NE to E winds and 5 to 7 ft seas are found north of the ITCZ to near 22N and west of 115W. Gentle with locally moderate E to SE winds are noted south of the ITCZ. Seas are 6 to 7 ft in mixed SE and NW swell south of the Equator, and 4 to 7 ft elsewhere south of the ITCZ. For the forecast, winds south of the ITCZ will become light to gentle by Fri. Moderate to fresh NE winds and moderate seas will prevail north of the ITCZ.