Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 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 1800 UTC surface analysis and satellite imagery through 2000 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, then again possibly Sun night. 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 08N78W to 04N86W. The ITCZ extends from 04N86W to 05N108W to 02N124W to beyond 05N140W. Scattered moderate convection is noted from 04N to 08N between 135W and 140W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see SPECIAL FEATURES above for more on an upcoming Gulf of Tehuantepec gale force gap wind event. Fresh to strong winds prevail in the Gulf of Tehuantepec, along with 5-7 ft seas. 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 Wed night, pulsing to moderate to fresh near Baja California Norte through Sat, and near Cabo San Lucas at times. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to fresh NE-E winds prevail over the Papagayo region, extending westward to near 92W. In the Gulf of Panama, moderate N winds are noted. Elsewhere, light to gentle winds and slight to moderate seas prevail. For the forecast, fresh to strong NE winds will pulse through Tue night, 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 1006 mb low pressure area is WNW of the area. Outer associated fresh to locally strong E-SE winds are near the NW waters N of 28N and W of 138W. Related seas of 7-10 ft are W of a line from near 30N120W to 27N140W. 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 this evening until the low WNW of the area lifts N while weakening. Associated rough swells over the far NW and N-central waters will linger through early Sat before subsiding. 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. Fresh to strong winds will pulse across these waters as well extending downwind from the Tehuantepec event. 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 in southerly swell may impact the waters S of the Equator mid-week.