Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Wed Apr 1 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 0600 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 08N77W to 06.5N90W. The ITCZ extends from 06.5N90W to 04N105W to 06N124W to beyond 06N140W. A second ITCZ extends from 02.5S88W to 02S102W to beyond 03.4S120W. Widely scattered moderate isolated strong convection is noted from 03N to 08.5N between 81W and 98W. Scattered moderate convection is noted from 04N to 07N between 124W and 129W, and from 03N to 08N between 136W and 140W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Fresh to strong S to SW winds are in the northernmost Gulf of California, flowing into low pressure over southern California per a recent ASCAT scatterometer pass. Moderate to fresh NW winds are near Cabo San Lucas per the same ASCAT data. Elsewhere, mainly gentle winds dominate. Moderate seas prevail, except for slight seas in the Gulf of California away from the fresh to strong winds. For the forecast, fresh to strong S to SW winds in the northern Gulf of California will diminish by sunrise. Moderate to fresh winds will continue pulsing near Cabo Corrientes and Cabo San Lucas into tonight. Fresh to locally strong NW winds will dominate offshore Baja California Thu and Fri as high pressure builds W of the peninsula, and then again fresh Sun night. NW swell will bring locally rough seas off Baja California Norte Fri through Sat night. Looking ahead, fresh to strong N gap winds may develop in the Gulf of Tehuantepec by Sun night. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to locally strong NE-E winds prevail over the Papagayo region, with seas to around 7 ft. Moderate N-NE winds are in the Gulf of Panama. Winds are light to gentle elsewhere. Slight seas are offshore Colombia, with moderate seas elsewhere. For the forecast, fresh NE-E winds will pulse to strong across and downwind of the Papagayo region to near 90W through this morning, with winds pulsing to moderate to fresh thereafter. Large S-SW swell will spread into the waters from offshore Ecuador to the Galapagos Islands later today, and reach the remaining area waters and Central American coasts Thu. This swell will build seas to rough from offshore Ecuador to the Galapagos Islands through Thu night. ...REMAINDER OF THE AREA... Frontal remnants continue to dissipate over the NW waters. Weak high pressure is centered near the Revillagigedo Islands. An overall modest pressure gradient between these two features and the ITCZ to the south is leading to widespread light to gentle winds across the waters N of 20N. Similar winds are found S of 05N and E of 105W under a weak pressure pattern. Gentle to moderate winds are elsewhere. Seas are moderate across the open waters. For the forecast, gentle to moderate winds will dominate the open waters into tonight as weak high pressure across much of the area slowly builds into the Baja California waters. A series of weak frontal boundaries or troughs will move into the NW waters and weaken W of 130W throughout the remainder of the week. Moderate seas generally will continue into late week. Large southerly swell will move into the waters S of the Equator later today, reach 10N Thu, then gradually subside. The pressure gradient may tighten N of 05N and W of 110W by the end of the week increasing trades to moderate to locally fresh, with seas building locally to rough as a result. Northerly swell may build seas to rough just S of 30N by late Thu night into the weekend. Meanwhile, a trough extending from low pressure just W of 140W may lift across the NW waters during the end of the week, with fresh winds N of it to 30N and building seas to rough. NW swell may push SE of 30N into the N-central waters by the end of the week into the weekend with locally rough seas.