Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Thu Jan 22 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 1800 UTC surface analysis and satellite imagery through 1930 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N78W to 09N85W to 05N100W. The ITCZ continues from 05N100W to 07N127W to 06N140W. Scattered moderate convection is noted E of 80W, from 03N to 07N between 97W and 118W, and from 06N to 12N between 118W and 130W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Fresh to strong gap winds persist across the Gulf of Tehuantepec with seas in the 6 to 8 ft range. Outside of the Tehuantepec area, gentle to moderate winds and moderate seas persist across the Mexican offshore waters. For the forecast, fresh to strong gap winds and occasionally rough seas will prevail in the Gulf of Tehuantepec through tonight. Elsewhere, gentle to moderate winds will prevail through the weekend. Another gap wind event in the Gulf of Tehuantepec will start Sun night. Gale force winds are possible Mon through Tue night, with strong gales possible Mon night, accompanied by rough to very rough seas. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to strong gap winds, and seas of 6 to 8 ft, prevail across the Gulf of Papagayo, extending southwest to 90W. Elsewhere, winds are moderate or weaker with seas in the 3 to 5 ft range. For the forecast, the pressure gradient between high pressure north of the area and the eastern north Pacific monsoon trough will support fresh to strong NE to E winds and rough seas in the Papagayo region through at least Fri. Elsewhere, winds will be moderate or weaker over the forecast waters through early next the week. A possible gale force gap wind event over Tehuantepec will bring a set of large NW to N swell over the waters well offshore Guatemala early next week. ...REMAINDER OF THE AREA... Gentle to moderate breezes and moderate combined seas, primarily in NW swell, dominate the discussion waters. For the forecast, winds should remain moderate or weaker, with seas less than 8 ft, for the next several days. Fresh to strong SW winds, along with long-period NW swell, will move into the waters north of 25N and west of 135W Mon ahead of a cold front expected to move southwest of 30N140W by Mon night.