Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Fri Mar 27 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 0000 UTC surface analysis and satellite imagery through 0100 UTC. ...SPECIAL FEATURES... Fresh to near gale force N to NE gap winds in the Gulf of Tehuantepec will pulse through Mon night, except for gale-force northerly winds forecast to develop Sat through Sun morning. Seas will become rough to very rough during the period of gale- force winds, peaking around 15 ft by early Sun. Please read the latest HIGH SEAS FORECAST issued by the National Hurricane Center at website - https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 07.5N77.5W to 05N88W. The ITCZ extends from 05N88W to 03.5N100W to 06N120W to beyond 05N140W. Scattered moderate convection is noted from 02N to 06N between 87W and 101W, from 05N to 07N between 110W and 115.5W, and from 04N to 07N between 128W and 136W. Similar convection is noted from 10.5N to 12N between 110W and 113W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Fresh to near-gale force winds, and seas of 4-7 ft prevail in the Gulf of Tehuantepec. Moderate to locally fresh NW-N winds and seas of 4-7 ft are over the waters off Baja California Norte. Elsewhere, light to gentle winds and slight to moderate seas are noted. For the forecast aside from the Gulf of Tehuantepec, light to gentle winds will prevail over much of the offshore waters through Tue night, pulsing to moderate to fresh near Baja California Norte through Sat, and near Cabo San Lucas Sat night. Northwest swell will bring rough seas north of Punta Eugenia through Fri before subsiding. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh NE-E winds prevail over the Papagayo region, extending westward to near 88W. In the Gulf of Panama, moderate to locally fresh N winds are noted. Elsewhere, light to gentle winds and slight to moderate seas prevail. For the forecast, fresh to strong NE winds will develop in the Gulf of Papagayo region late tonight then will pulse through Tue night reaching to 92W at times, with moderate to locally rough seas. Moderate to fresh winds will pulse in the Gulf of Panama with moderate seas through Tue night. Rough seas will build well offshore western Guatemala by early Sun through Sun night due to a developing Gulf of Tehuantepec gale-force gap wind event. Gentle breezes and slight to moderate seas will prevail elsewhere through the forecast period. ...REMAINDER OF THE AREA... A 1004 mb gale-force low pressure area is W of the area near 26N145.5W. Outer associated fresh to strong E-SE winds are near the waters at 30N140W. Related seas of 7-9 ft are W of a line from near 30N120W to 26N140W. Moderate convection is N of 24N from 140W westward. Gentle to moderate winds and moderate seas are found over the remainder of the discussion waters. For the forecast, fresh to locally strong mainly SE winds will prevail near 30N140W into Fri evening until the gale-force low W-NW of the area lifts and weakens. Associated rough swells over the far NW and N-central waters will linger through Fri night before subsiding. Elsewhere, gentle to moderate winds will prevail over the open waters. Moderate seas will prevail otherwise into early Sun across the open waters. Rough seas from a developing gale-force gap wind event in the Gulf of Tehuantepec will spread SW and impact the waters roughly N of 07N and E of 105W Sun through Mon. Looking ahead, rough seas in southerly swell may impact the waters S of the Equator mid-week.