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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 50n160e

Synopsis valid 1200 UTC Dec 04. 24 hour forecast valid 1200 UTC Dec 05. 48 hour forecast valid 1200 UTC Dec 06.

.Warnings.

...Storm Warning... .Complex low with first center near 49n170w 972 mb moving NE 15 kt and second center near 58n167w 975 mb moving W 05 kt. Front extends from 58n147w to 56n142w to 52n142w to 33n153w. Between 240 nm and 600 nm SW quadrant first low and between 180 nm and 420 nm NW quadrant second low winds 40 to 50 kt. Seas 18 to 27 ft. Elsewhere N of 30n between 154w and 169e...and between an area E of front and W of a line from 55n134w to 33n152w...winds 25 to 40 kt. Seas 12 to 21 ft. .24 hour forecast complex low with first center near 51n164w 982 mb and second center near 58n171w 983 mb. N of 55n between 173w and 179w winds 40 to 50 kt. Seas 18 to 27 ft. Elsewhere within 780 nm se quadrant first low and N of 38n between 168w and 170e winds 25 to 40 kt. Seas 12 to 21 ft. .48 hour forecast complex low with first center near 55n160w 992 mb and second low near 51n172w 999 mb. Within 300 W quadrant second low winds 40 to 50 kt. Seas 18 to 33 ft. Elsewhere within 600 nm se and 360 nm SW quadrants first low and within 780 nm SW and 600 nm NW quadrants second low winds 25 to 40 kt. Seas 12 to 21 ft.

...Storm Warning... .Over forecast waters W of a line from 36n163e to 30n168e area of E to se winds 30 to 45 kt. Seas 14 to 22 ft. .12 hour forecast low 31n162e 993 mb. From 32n to 35n W of 165e area of NE to E winds 45 to 60 kt. Seas 18 to 30 ft. .24 hour forecast low S of area 29n165e 992 mb. Over forecast waters within 240 nm NW semicircle winds 45 to 60 kt. Seas 21 to 34 ft. Elsewhere over forecast waters within 540 nm NE and 480 nm NW quadrants winds 30 to 45 kt. Seas 13 to 21 ft. .48 hour forecast low S of area. Over forecast waters S of a line from 36n160e to 36n179e to 33n169w winds 30 to 45 kt. Seas 14 to 27 ft.

...Gale Warning... .24 hour forecast within 300 nm se of a line from 55n132w to 49n141w area of S to SW winds 25 to 35 kt. Seas 9 to 16 ft. .48 hour forecast conditions diminished.

...Gale Warning... .48 hour forecast W of a line from 52n165e to 41n161e area of se to S winds 25 to 35 kt. Seas 9 to 15 ft.

...Heavy freezing spray warning... .N of a line from 60n168w to 61n173w areas of moderate to heavy freezing spray. .24 hour forecast N of a line from 60n168w to 61n177w areas of light to moderate freezing spray. .48 hour forecast N of a line from 61n170w to 61n173w to 62n175w areas of moderate to heavy freezing spray.

.Synopsis and forecast.

.from 34n to 43n between 125w and 127w area of N winds to 25 kt. Seas to 12 ft. .24 hour forecast from 38n to 42n between 125w and 128w area of N winds to 25 kt. Seas to 12 ft. .48 hour forecast conditions diminished.

.from 38n to 58n between 140w and 160w dense fog occasionally reducing vsby below 1 nm. .24 hour forecast from 44n to 57n between 132w and 158w dense fog occasionally reducing vsby below 1 nm. .48 hour forecast from 45n to 56n between 128w and 141w dense fog occasionally reducing vsby below 1 nm.

.High 47n129w 1030 mb moving SW 15 kt. .24 hour forecast high 41n133w 1025 mb. .48 hour forecast high 41n132w 1025 mb.

.high 34n139w 1027 mb moving NE 20 kt. .24 hour forecast high merged with high 41n133w 1025 mb described above.

.24 hour forecast high 46n164e 1033 mb. .48 hour forecast high 45n170e 1036 mb.

.48 hour forecast new high 41n143w 1024 mb.

.forecaster nolt. Ocean prediction center.

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

Synopsis valid 1200 UTC Thu Dec 04. 24 hour forecast valid 1200 UTC Fri Dec 05. 48 hour forecast valid 1200 UTC Sat Dec 06.

.Warnings.

...Gale Warning... .18 hour forecast within 45 nm of line from 16n95w to 14n95w... Including Gulf of Tehuantepec...N wind to 35 kt. Seas 10 ft. .24 hour forecast little change. .30 hour forecast wind less than gale force.

.Synopsis and forecast.

.from 10n to 12n between 86w and 89w...including Gulf of papagayo...NE wind 20 kt. Seas to 8 ft. .24 hour forecast from 09n to 12n between 86w and 90w... Including Gulf of papagayo...NE wind 20 to 30 kt. Seas to 9 ft. .48 hour forecast from 09n to 12n between 86w and 91w... Including Gulf of papagayo...NE wind 20 to 25 kt. Seas to 9 ft.

.N of 06n W of 120w wind less than 20 kt. Seas to 11 ft in NW swell...highest NW part. .24 hour forecast W of line from 30n118w to 00n135w wind less than 20 kt. Seas to 10 ft in NW swell. S of 08n from 93w to 126w wind less than 20 kt. Seas 8 ft in NW swell. .48 hour forecast W of line from 30n130w to 15n140w wind less than 20 kt. Seas to 11 ft in NW swell...highest seas NW part. S of 10n from 97w to 132w wind less than 20 kt. Seas 8 ft in NW swell.

.12 hour forecast Gulf of Tehuantepec within 60 nm of coast N wind 20 kt. Seas less than 8 ft. .18 hour forecast...Except as noted in warning...within 60 nm of line from 16n95w to 13n96w N to NE wind 20 to 30 kt. Seas 9 ft. .24 hour forecast little change. .30 hour forecast within 60 nm of line from 16n95w to 14n95w to 11n100w N to NE wind 20 to 30 kt. Seas 10 ft. .48 hour forecast within 60 nm of line from 16n95w to 14n95w to 13n97w N to NE wind 20 to 25 kt. Seas 9 ft.

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

.Convection valid 1315 UTC Thu Dec 04. Intertropical convergence zone...07n78w to 06n100w to 09n116w to 09n130w to 07n140w. Scattered moderate within 60 nm of axis E of 86w and within 90 nm N of axis from 93w to 101w. Scattered moderate isolated strong within 90 nm of 08n130w.

$$ .Forecaster Wally Barnes. Tropical Prediction Center.