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

Pacific N of 30n and S of 67n E of a line from Bering Strait to 50n 160e

Synopsis valid 0600 UTC may 17. 24 hour forecast valid 0600 UTC may 18. 48 hour forecast valid 0600 UTC may 19.

.Warnings.

...Gale Warning... .Low 35n154w 1011 mb moving NE 15 kt. Within 300 nm se semicircle winds 20 to 30 kt. Seas 8 to 12 ft. .24 hour forecast low 40n149w 1009 mb. Front extends from low center to 34n152w. Within 300 nm NE and E quadrants and elsewhere within 120 nm E of the front winds 20 to 30 kt. Seas 8 to 11 ft. .48 hour forecast low 45n139w 1004 mb. Within 360 nm S and 240 nm N semicircles winds 25 to 35 kt. Seas 9 to 13 ft.

...Gale Warning... .24 hour forecast low 33n171e 1003 mb. From 30n to 36n and W of 180w winds 25 to 40 kt. Seas 8 to 15 ft. .48 hour forecast low 38n166w 1002 mb. Front extends from low center to 31n177e. Within 360 nm se and S quadrants and elsewhere over forecast waters within 240 nm se of the front winds 25 to 40 kt. Seas 9 to 16 ft.

.Synopsis and forecast.

.low 57n140w 1008 mb moving NE 20 kt. Within 240 nm of low center winds to 25 kt. Seas 8 to 12 ft. .24 hour forecast low inland 62n133w 1004 mb. Within 480 nm SW quadrant winds to 25 kt. Seas to 10 ft. .48 hour forecast conditions diminished.

.low 51n169w 1002 mb moving N 05 kt. Within 240 nm N and E of a line from 53n167e to 50n155w to 43n150w winds to 25 kt. Seas 8 to 11 ft. .24 hour forecast low 54n169w 1005 mb. Within 240 nm NW and N quadrants winds to 25 kt. Seas less than 8 ft. .48 hour forecast low 55n168w 1008 mb. Within 240 nm NE and E quadrants winds to 25 kt. Seas less than 8 ft.

.Low 35n173w 1003 mb moving E 25 kt. Over forecast waters within 540 nm S and SW quadrants winds to 25 kt. Seas to 10 ft. .24 hour forecast low 36n160w 1011 mb. Within 360 nm S and SW quadrants winds to 25 kt. Seas to 10 ft. .48 hour forecast low dissipated.

.low 40n176e 1001 mb moving E 20 kt. Within 420 nm SW semicircle winds 20 to 30 kt. Seas 8 to 14 ft. .24 hour forecast low 42n173w 1006 mb. Within 240 nm E and se quadrants winds 20 to 30 kt. Seas to 10 ft. .48 hour forecast low 46n165w 1005 mb. Within 300 nm E semicircle winds 20 to 30 kt. Seas to 10 ft.

.24 hour forecast from 32n to 36n between 118w and 123w winds to 25 kt. Seas to 10 ft. .48 hour forecast from 32n to 40n between 118w and 125w winds to 25 kt. Seas to 10 ft.

.High 37n146w 1020 mb moving NE 20 kt. .24 hour forecast high 47n140w 1025 mb. .48 hour forecast high 55n142w 1022 mb.

.high 47n144w 1020 mb moving E 05 kt. .24 hour forecast high merged with high 47n140w.

.24 hour forecast high 32n138w 1025 mb. .48 hour forecast little change.

.forecaster achorn. Ocean prediction center.

Tropical Prediction Center Miami FL E Pacific from the Equator to 30n E of 140w

Synopsis valid 0600 UTC Sat may 17. 24 hour forecast valid 0600 UTC sun may 18. 48 hour forecast valid 0600 UTC Mon may 19.

.Warnings.

.none.

.Synopsis and forecast.

.S of 05n between 98w and 128w winds less than 20 kt. Seas to 8 ft in S swell. .24 hour forecast S of 07n between 95w and 135w winds less than 20 kt. Seas to 9 ft primarily in S swell. .48 hour forecast S of 08n W of 105w winds less than 20 kt. Seas to 8 ft primarily in S swell.

.From 06n to 12n W of 135w NE winds to 20 kt. Seas less than 8 ft. .24 hour forecast from 05n to 12n W of 135w NE winds to 20 kt. Seas to 8 ft. .48 hour forecast from 08n to 18n W of 125w NE winds to 20 kt. Seas to 8 ft.

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

.Convection valid 0900 UTC Sat may 17. Intertropical convergence zone axis 08n78w to 08n87w to 06n100w 09n112w to 04n131w to 05n140w. Scattered moderate isolated strong from 09n to 12n between 94w and 130w.

$$ .Forecaster Nelson. Tropical Prediction Center.