Superseded by next issuance in 6 hours
Seas given as significant wave height...which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
E Pacific from the Equator to 30n E of 140w and 03.4s to the Equator E of 120w
Synopsis valid 1200 UTC Wed Jul 23. 24 hour forecast valid 1200 UTC Thu Jul 24. 48 hour forecast valid 1200 UTC Fri Jul 25.
.Synopsis and forecast.
.low pres 11n125w 1008 mb. Within 180 nm NE semicircle winds 20 to 25 kt. Seas 8 to 10 ft. Elsewhere from 11n to 17n W of 122w winds 20 or less. Seas to 9 ft in NE swell. .24 hour forecast low pres...Possible tropical cyclone...12n130w 1007 mb. Within 300 nm N semicircle winds 20 to 30 kt. Seas 8 to 11 ft. Elsewhere from 10n to 19n W of 125w winds 20 kt or less. Seas 8 to 9 ft in NE to E swell. .48 hour low pres...Possible tropical cyclone...13n133w 1006 mb. Within 250 nm N semicircle winds 20 to 30 kt. Seas 8 to 12 ft. Elsewhere from 11n to 18n W of 129w winds 20 kt or less. Seas 8 to 10 ft in E swell.
.From 10n to 12n E of 89w...Including Gulf of papagayo...NE to E winds 20 to 25 kt. Seas building 8 to 9 ft. .24 hour forecast from 10n to 12n E of 91w...Including Gulf of papagayo...NE to E winds 20 to 25 kt. Seas 8 to 9 ft. .48 hour forecast from 10n to 12n E of 88w NE to E winds 20 to 25 kt. Seas to 8 ft.
.Within 30 nm of line from 16n95w to 14.5n95w...including Gulf of Tehuantepec N winds 20 to 25 kt. Seas 8 ft. .24 hour forecast little change. .36 hour forecast winds 20 kt or less. Seas less than 8 ft.
.Remainder of area winds 20 kt or less. Seas less than 8 ft.
Convection valid 1500 UTC Wed Jul 23...
Low pres near 11n125w 1008 mb...numerous strong within 150 nm of low over NE quadrant.
.Intertropical convergence zone/monsoon trough... Monsoon trough from 08n78w to 08n95w. ITCZ from 08n95w to 1008 mb low 11n125w. Monsoon trough from 11n125w to 1009 mb low09n138w. Scattered moderate to strong within 120 nm S of axis from 80w to 82w and from 05n to 14n between 93w and 110w and within 180 nm S of axis from 110w to 120w and from 07n to 14n between 120w and 140w.
$$ .Forecaster dgs. National Hurricane Center.