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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 0000 UTC Aug 21. 24 hour forecast valid 0000 UTC Aug 22. 48 hour forecast valid 0000 UTC Aug 23.

.Warnings.

...Gale Warning... .Low 50n160w 1002 mb moving NE 30 kt. Within 660 nm S quadrant winds 20 to 30 kt. Seas 9 to 13 ft. .24 hour forecast low 52n150w 1000 mb. Within 660 nm S quadrant winds 25 to 35 kt. Seas 10 to 15 ft. .48 hour forecast low 54n140w 997 mb. Within 480 nm S and 360 nm E quadrants winds 20 to 30 kt. Seas 9 to 12 ft.

.Synopsis and forecast.

.low 51n131w 992 mb will move E 20 kt. Within 420 nm SW quadrant winds 20 to 30 kt. Seas 12 to 18 ft. .24 hour forecast low dissipated with conditions merged with forecast low 52n150w above.

.Low 42n178w 1009 mb moving E 15 kt. Within 360 nm S quadrant winds to 25 kt. Seas 9 to 13 ft. .24 hour forecast low and conditions to merge with forecast low 52n150w mentioned above in warning section.

.Low 41n155e 1002 mb just W of area moving E 15 kt. Within 300 nm E quadrant winds 20 to 30 kt. Seas 10 to 13 ft. .24 hour forecast low 44n178w 1002 mb. Within 360 nm S quadrant winds 20 to 30 kt. Seas 11 to 15 ft. .48 hour forecast low 42n165w 1002 mb. Within 360 nm S quadrant winds 20 to 30 kt. Seas 12 to 16 ft.

.48 hour forecast low 42n160e 1004 mb. Within 480 nm se semicircle winds 20 to 30 kt. Seas 10 to 14 ft.

.48 hour forecast from 37n to 41n and E of 126w area of N winds to 25 kt. Seas to 11 ft.

.From 51n to 54n between 174w to 176e areas of dense fog occasionally reducing visibility below 1 nm. .24 hour forecast from 52n to 55n between 175w and 179w areas of dense fog occasionally reducing visibility below 1 nm. .36 hour forecast conditions improved.

.between lines from 50n166w to 42n149w and 43n172w to 50n166w areas of dense fog occasionally reducing visibility below 1 nm. .24 hour forecast from 41n to 48n between 142w and 157w areas of dense fog occasionally reducing visibility below 1 nm. .48 hour forecast conditions improved.

.48 hour forecast from 41n to 47n between 172e and 162e areas of dense fog occasionally reducing visibility below 1 nm.

.High 45n174e 1014 mb moving E 25 kt. .24 hour forecast high 45n169w 1020 mb. .48 hour forecast high 46n179w 1023 mb.

.high 34n161w 1026 mb nearly stationary. .24 hour forecast high 34n166w 1027 mb. .48 hour forecast high 33n170w 1027 mb.

.48 hour forecast high 54n174e 1022 mb.

.forecaster mcrandal. Ocean prediction center.

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

Synopsis valid 0000 UTC Thu Aug 21. 24 hour forecast valid 0000 UTC Fri Aug 22. 48 hour forecast valid 0000 UTC Sat Aug 23.

.Warnings.

.none.

.Synopsis and forecast.

.low pres 15n122w 1011 mb. Within 240 nm NW semicircle NE winds to 20 kt. Seas to 8 ft. .24 hour forecast low 13n121.5w 1011 mb. Within 240 nm NW semicircle NE winds to 20 kt. Seas to 8 ft. .48 hour forecast low 13n124w 1011 mb. Within 240 nm NW quadrant winds to 20 kt. Seas to 8 ft.

.S of 11n between 80w and 120w S winds to 20 kt. Seas to 9 ft in S swell. .24 hour forecast S of 11n between 90w and 125w S winds to 20 kt. Seas to 9 ft in S swell. .48 hour forecast S of 11n between 92w and 122w S winds to 20 kt. Seas to 8 ft in S swell.

.Within 150 nm W of Baja Peninsula NW winds to 20 kt. Seas less than 8 ft. .24 hour forecast little change. .48 hour forecast winds less than 20 kt. Seas less than 8 ft.

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

.Convection valid 0300 UTC Thu Aug 21.

.intertropical convergence zone...09n78w to 11n93w to 09n110w to 010n120w to 07n140w. Scattered moderate isolated strong within 30 nm of 07n78w and within 90 nm either side of line 06n86w to 09n112w.

$$ .Forecaster Nelson. Tropical Prediction Center.