Superseded by next issuance in 6 hours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 1800 UTC Mon Sep 22. 24 hour forecast valid 1800 UTC Tue Sep 23. 48 hour forecast valid 1800 UTC Wed Sep 24.
.Synopsis and forecast...
.low pres...remnants of Polo...near 22n115w 1008 mb. Within 90 nm NE and 60 nm SW semicircles winds 20 to 25 kt. Seas 8 to 9 ft. .24 hour low pres...Remnants of Polo...near 22n116w 1010 mb. Winds 20 kt or less. Seas less than 8 ft.
.48 hour forecast N of 28n W of 135w winds 20 kt or less. Seas 8 to 9 ft in NW swell.
.Remainder of area winds 20 kt or less. Seas less than 8 ft.
Convection valid 2015 UTC Mon Sep 22...
.Low pres near 12n98w 1008 mb. Scattered moderate to isolated strong from 10n to 15n between 96w and 103w.
.Intertropical convergence zone/monsoon trough... Monsoon trough from 10n84w to 14n94w to low pres near 12n98w 1008 mb to 09n106w to 06n120w then resumes near 17n115w to 12n122w. ITCZ from 12n122w to 10n140w. Scattered moderate to isolated strong within 75 nm along coast of Costa Rica between 83w and 86w...and within 120 nm S and 90 nm N of monsoon trough between 103w and 107w.
$$ .Forecaster paw. National Hurricane Center.