Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Sat Jun 13 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... The monsoon trough extends from 11.5N97W to a 1009 mb low pressure near 08N123W to 08N140W. Scattered to numerous moderate and isolated strong convection is noted from 04N to 11N between 120W and 140W. Scattered moderate convection is depicted from 04.5N to 12N between 94W and 116W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weak pressure gradient prevails across the area. With the weak pressure gradient, light to gentle winds prevail over the discussion waters, except gentle to locally moderate winds off Cabo San Lucas. Seas are in the 5-6 ft range over the open waters off Mexico, and 3 ft or less in the Gulf of California. The interaction between a trough over Mexico and the Monsoon Trough is supporting scattered moderate convection over the Gulf of Tehuantepec. For the forecast, light to gentle winds will prevail across the waters of Baja California through Sat night, increasing slightly thereafter. Gentle to occasionally moderate S to SW winds are expected inside the Gulf of California and near the tip of Baja California Sur. Light to gentle winds will dominate the waters between Cabo Corrientes and Tehunatepec. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to locally fresh NW to N winds prevail in the Gulf of Papagayo. Southeast to south gentle to moderate winds prevail between the Galapagos Islands and Colombia. Light to gentle winds are found elsewhere. Seas are in the 5-7 ft range between the Galapagos Islands and Colombia, and 4-6 ft elsewhere. The southern end of a tropical wave over the western Caribbean is supporting scattered moderate convection over the offshore waters of Colombia. For the forecast, gentle to moderate winds and moderate seas will prevail across the offshore waters into the weekend. Winds may pulse to moderate to locally fresh in diurnal offshore flow in the immediate Gulf of Papagayo and near the Gulf of Guayaquil during the upcoming weekend into early next week. ...REMAINDER OF THE AREA... Broad troughing prevails across the waters N of 18N. The pressure gradient between this trough, and high pressure NW of the area is supporting moderate NE winds over the NW waters. Gentle to moderate winds are elsewhere N of the monsoon trough and west of 130W. Light to gentle winds prevail elsewhere N of the monsoon trough. Moderate to fresh winds are S of the monsoon trough and W of 126W, with gentle to moderate winds elsewhere. Northerly swell is bringing rough seas over the waters N of 28.5N between 131W and 138W. Mainly moderate seas are found elsewhere, except locally rough to 8 ft south of the equator. For the forecast, moderate or weaker winds are expected across the much of the open waters, except at least moderate to fresh winds near transient embedded low pressure areas along western portion of the monsoon trough through early next week. Northerly swells mixed with the longer period southerly swells with seas of 7-8 ft will linger across the N-central waters through this morning before decaying. Moderate seas will dominate the open waters. Locally rough seas will prevail over the S-central waters through today.