Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Fri Jun 12 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. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 09N84W to 10N94W to 10N112W to 06N122W to 10N140W. Scattered moderate and isolated strong convection is noted from 06N to 15N between 91W and 100W, and from 01N to 10N between 110W and 140W. ...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. 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 SW to S 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... Gentle to moderate winds prevail in the Gulf of Papagayo as well as between the Galapagos Islands and Colombia. Light to gentle winds are found elsewhere. Seas are in the 6-7 ft range between the Galapagos Islands and Colombia, and 4-6 ft elsewhere. 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 20N. The pressure gradient between this trough, and high pressure NW of the area is supporting moderate to locally fresh winds over the NW waters. Gentle to moderate winds are elsewhere N of the monsoon trough and 30W. Light to gentle winds prevail elsewhere N of the monsoon trough. Moderate to fresh winds are S of the monsoon trough and W of 135W, with gentle to moderate winds elsewhere. Northerly swell is bringing rough seas over the waters N of 28N between 129W and 135W. Mainly moderate seas are found elsewhere, except locally rough south of the equator. For the forecast, moderate or weaker are expected across the much of the open waters, except at least moderate to fresh 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 7-9 ft will linger across the N-central waters through tonight before decaying. Otherwise, moderate seas will dominate the open waters, locally rough in the S-central waters through Sat, as well as near any of the embedded lows within the monsoon trough.