HS 003

Superseded by next issuance in 6 hours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.

Securite

E Pacific from the Equator to 30n E of 140w

Synopsis valid 1800 UTC Fri Mar 19. 24 hour forecast valid 1800 UTC Sat Mar 20. 48 hour forecast valid 1800 UTC sun Mar 21.

.Warnings.

...Gale Warning... .24 hour forecast within 60 nm either side of a line from 16n95w to 13n96w including the Gulf of Tehuantepec N to NE winds 30 to 35 kt. Seas 8 to 10 ft. .48 hour forecast within 60 nm either side of line from 16n95w to 12n96w including the Gulf of Tehuantepec N to NE winds 30 to 35 kt. Seas 10 to 14 ft.

.Synopsis and forecast.

.18 hour forecast N of 14n between 94w and 96w including the Gulf of Tehuantepec N winds 20 to 25 kt. Seas less than 8 ft. .24 hour forecast...Except as noted in warnings section...within 120 nm either side of line from 16n95w to 13n96w to 12n96.5w including the Gulf of Tehuantepec N to NE winds 20 to 25 kt. Seas to 8 ft. .48 hour forecast...Except as noted in warnings section...within 120 nm either side of line from 16n95w to 12n96w to 11n99w including the Gulf of Tehuantepec N to NE winds 20 to 25 kt. Seas 8 to 10 ft. Elsewhere from 09n to 15n between 92w and 100w winds less than 20 kt. Seas 8 to 10 ft in N and SW swell.

.Stationary front from 30n136w to 27n140w. W of front N to NE winds 20 kt. Seas 10 to 12 ft in NW swell. Se of front to a line from 30n130w to 20n135w winds less than 20 kt. Seas 8 to 11 ft in W and NW swell. .24 hour forecast dissipating stationary front from 30n135w to 26n140w. W of front NE winds 20 kt. Seas 9 to 11 ft in NW swell. Elsewhere N of 20n W of 125w winds less than 20 kt. Seas 8 to 11 ft in NW swell. .48 hour forecast stationary front dissipated. W of a line from 30n120w to 20n128w NE winds 20 kt. Seas 9 to 10 ft in SW and NW swell. Elsewhere N of 20n W of 120w winds less than 20 kt. Seas to 9 ft in NW swell.

.From 05n to 15n W of 120w NE winds 20 kt. Seas 8 to 11 ft in mainly NW swell. Elsewhere S of 18n W of 105w winds less than 20 kt. Seas 8 to 10 ft in mixed NW and SW swell. .24 hour forecast from 04n to 15n W of 125w NE winds 20 to 25 kt. Seas 8 to 11 ft. From 15n to 20n W of 128w winds less than 20 kt. Seas 8 to 10 ft in NW swell. Elsewhere S of 12n W of 98w winds less than 20 kt. Seas 8 to 11 ft in mixed SW and NW swell. .48 hour forecast from 05n to 20n W of 128w NE winds 20 to 25 kt. Seas 9 to 11 ft in mixed NW and NE swell. Elsewhere S of 20n W of 120w winds less than 20 kt. Seas to 9 ft in mixed SW and NW swell. S of 15n between 100w and 120w winds less than 20 kt. Seas 8 to 11 ft in SW swell. S of 09n between 91w and 100w winds less than 20 kt. Seas 8 to 10 ft in SW swell.

.From 09n to 12n E of 90w including the Gulf of papagayo NE to E winds 20 to 25 kt. Seas to 8 ft. .12 hour forecast winds less than 20 kt. Seas less than 8 ft. .42 hour forecast from 08n to 12n E of 90w NE winds 20 kt. Seas less than 8 ft. .48 hour forecast little change

.12 hour forecast N of 24n including the Gulf of California NW winds 20 to 25 kt. Seas less than 8 ft. .24 hour forecast N of 24n including Gulf of California NW to N winds 20 kt. Seas less than 8 ft. .48 hour forecast winds less than 20 kt. Seas less than 8 ft.

.Remainder area winds less than 20 kt. Seas less than 8 ft.

.Convection valid 2030 UTC Sat Mar 20...

.intertropical convergence zone...04n77w to 06n95w to 03n110w to 04n130w to 02n140w. Scattered moderate isolated strong from 01.5n to 04n between 96w and 100w and within a 90 nm radius of 06n107w.

$$ .Forecaster cab. Tropical Prediction Center.