Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Thu Jun 11 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 1930 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 11N86W to 13N92W to 08N104W to 09N140W. Scattered moderate convection is noted from 03N to 08N between 83W and 92W. Scattered moderate and isolated strong convection is noted from 10N to 16N between 89W and 96W, from 03N to 09N between 95W and 124W, and from 05N to 11N between 129W 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 open waters off Mexico. Gentle to moderate winds are in the Gulf of California as well as off Cabo San Lucas. Seas are in the 5-7 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. Gentle to moderate, locally fresh, SW to S winds are expected inside the Gulf of California and near the tip of Baja California Sur. Gentle to locally moderate NW to W winds will dominate the waters between Cabo Corrientes and Tehunatepec through Fri, then weaken into the weekend. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... 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, reaching 8 ft south of the Galapagos Islands. Elsewhere, seas are in the 4-6 ft range in decaying S-SW swell. For the forecast, gentle to moderate winds and moderate seas will prevail across the offshore waters into the weekend, except locally rough seas in new southerly swell near the Galapagos Islands tonight. 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... A ridge of high pressure enters the NW waters near 30N140W and extends SE to near 20N122W. Broad troughing prevails east of 122W. The pressure gradient between the area of high pressure, and broad troughing is supporting moderate to fresh winds N of 22N and W of 125W. The pressure gradient between the ridge and lower pressure withing the monsoon trough is supporting gentle to moderate winds N of the monsoon trough to 22N and west of 130W. Light to gentle winds are found elsewhere N of the monsoon trough. S of the monsoon trough, gentle to moderate winds prevail, reaching locally fresh speeds E of 110W. Northerly swell is bringing rough seas over the waters N of 28N between 122W and 131W. Mainly moderate seas are found elsewhere N of the equator. S of the equator, seas are in the 7-8 ft range in SW swell. For the forecast, the pressure gradient will loosen W of the elongated troughing, with winds diminishing there slightly through Fri. Winds will then be moderate or weaker across the entire open waters, except at least moderate to fresh near transient embedded low pressure areas along western portion of the monsoon trough. Northerly swells mixed with the longer period southerly swells with seas of 7-9 ft will linger across the N-central waters through Fri night before decaying. Otherwise, moderate seas will dominate the open waters, locally rough in the S-central waters through the end of the week, as well as near any of the embedded lows within the monsoon trough.