HS 001

High Seas Forecast NWS ocean prediction center Washington DC 1745 UTC Tue Dec 15 2009

Superseded by next issuance in 6 hours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

Pacific N of 30n and S of 67n E of a line from Bering Strait to 50n160e

Synopsis valid 1200 UTC Dec 15. 24 hour forecast valid 1200 UTC Dec 16. 48 hour forecast valid 1200 UTC Dec 17.

.Warnings.

...Storm Warning... .Low 45n147w 973 mb moving NE 20 kt. From 120 to 480 nm S and SW quadrants winds 35 to 50 kt. Seas 20 to 36 ft. Elsewhere within 660 nm S and SW quadrants winds 25 to 35 kt. Seas 15 to 20 ft. Front extends from low to 53n140w to 51n129. Within 240 nm N of the front winds 25 to 35 kt. Seas 10 to 19 ft. Also...except as noted...E of 164w winds to 25 kt. Seas to 10 ft. .24 hour forecast low 49n138w 984 mb. Within 600 nm S and se quadrants winds 30 to 40 kt. Seas 14 to 26 ft. Elsewhere within 900 nm S and se quadrants winds 20 to 30 kt. Seas 8 to 14 ft. .48 hour forecast low dissipated and conditions associated with low 46n139w described below.

...Storm Warning... .Low 37n174w 997 mb moving E 40 kt. Within 360 nm se quadrant winds 25 to 40 kt. Seas 8 to 16 ft. .24 hour forecast low 37n154w 986 mb. Within 420 nm se quadrant winds 35 to 50 kt. Seas 12 to 20 ft. Elsewhere within 420 nm S semicircle and 240 nm N semicircle winds 25 to 35 kt. Seas 8 to 12 ft. .48 hour forecast low 46n139w 980 mb. Front to extend from low to 40n134w to 30n146w. Within 240 nm SW and 300 nm se and E quadrants winds 35 to 50 kt. Seas 15 to 24 ft. Elsewhere within 300 nm NW and 420 nm NE quadrants and within 360 nm E of front winds 25 to 35 kt. Seas 8 to 15 ft.

...Storm Warning... .Low 43n164e 1001 mb moving NE 15 kt. Fron extends from low to 35n167e. Within 180 nm either side of front and low winds 25 to 40 kt. Seas 8 to 12 ft. .24 hour forecast low 50n167e 996 mb. Within 240 nm S and SW quadrants winds 40 to 50 kt. Seas 12 to 20 ft. Elsewhere within 240 nm se and E quadrants and 120 nm N semicircle winds 25 to 40 kt. Seas 8 to 12 ft. .48 hour forecast low NW of area 53n162w. Within 240 nm se quadrant winds 25 to 35 kt. Seas 8 to 16 ft.

...Storm Warning... .36 hour forecast low 42n166e 996 mb. S of center W of 172e and within 240 nm NE and 180 nm NW quadrants winds 25 to 40 kt. Seas 8 to 16 ft. .48 hour forecast low 44n170e 983 mb. Within 240 nm E and se quadrants winds 35 to 50 kt. Seas 14 to 24 ft. Elsewhere within 300 nm N semicircle and W of 180w S of center winds 25 to 40 kt. Seas 8 to 14 ft.

...Gale Warning... .24 hour forecast new low 38n178w 1003 mb. Within 420 nm NW and 240 nm SW quadrants winds 25 to 40 kt. Seas 8 to 15 ft. .48 hour forecast low 35n163w 1000 mb. Within 240 nm W semicircle and S quadrant winds 30 to 45 kt. Seas 12 to 18 ft. Elsewhere within 480 nm NW and 300 NW SW quadrants winds 20 to 30 kt. Seas 8 to 12 ft.

...Gale Warning... .24 hour forecast new low 57n147w 982 mb. N of 51n between 138w and 160w winds 20 to 30 kt. Seas 8 to 14 ft. .36 hour forecast low 56n147w 973 mb. Within 420 nm S semicircle winds 25 to 40 kt. Seas 8 to 15 ft. .48 hour forecast low inland 63n143w 985 mb. N of 54n between 139w and 156w winds 25 to 35 kt. Seas 8 to 14 ft.

...Heavy freezing spray warning... .Moderate to heavy freezing spray N of 57n E of 172w. .24 hour forecast moderate to heavy freezing spray N of 57n E of 175w. .48 hour forecast moderate to heavy freezing spray N of 57n E of 176w.

.Synopsis and forecast.

..High 32n122w 1023 mb nearly stationary. .24 hour forecast high 31n123w 1024 mb. .48 hour forecast high 30n126w 1025 mb.

.24 hour forecast new high 32n169e 1019 mb. .48 hour forecast high 30n178w 1021 mb.

.48 hour forecast new high 51n175w 1015 mb.

.forecaster schoenberg. Ocean prediction center.

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

Synopsis valid 1200 UTC Tue Dec 15. 24 hour forecast valid 1200 UTC Wed Dec 16. 48 hour forecast valid 1200 UTC Thu Dec 17.

.Warnings.

.none.

.Synopsis and forecast.

.from 08n to 20n W of 115w NE winds 20 to 25 kt. Seas 8 to 11 ft. Elsewhere S of 10n W of 100w winds less than 20 kt. Seas to 9 ft in NW swell. .24 hour forecast from 06n to 20n W of 115w NE winds 20 to 25 kt. Seas 8 to 12 ft. .48 hour forecast from 08n to 15n W of 115w NE winds 20 kt. Seas 8 to 10 ft in mixed NW and NE swell.

.Cold front from 30n138w to 28n140w. Within 120 nm E of front SW winds 20 kt. Seas 8 ft in NW swell. W of front winds less than 20 kt. Seas 8 to 10 ft in NW swell. .24 hour forecast front dissipated. NW of line 30n127w to 20n140w winds less than 20 kt. Seas 8 to 15 ft in NW swell. .48 hour forecast W of line 29n115w to 15n125w winds less than 20 kt. Seas 8 to 13 ft in NW swell.

.Within 90 nm either side of line from 11n86w to 09n92w including the Gulf of papagayo NE to E winds 20 to 25 kt. Seas to 9 ft. .24 hour forecast from 10n to 12n W of 90w NE to E winds 20 kt. Seas to 8 ft. .48 hour forecast little change.

.Gulf of Tehuantepec N of 15n between 94w and 96w N winds 20 kt. Seas less than 8 ft. .24 hour forecast within 60 nm either side of line from 16n95w to 13n95w N winds 20 to 25 kt. Seas to 8 ft. .48 hour forecast within 60 nm of line from 16n95w to 14n95w to 12n98w N to NE winds 20 to 30 kt. Seas to 9 ft.

.Gulf of California N of 23n NW winds 20 kt. Seas less than 8 ft. .24 hour forecast N of 20n E of 110w and the Gulf of California NW winds 20 to 25 kt. Seas less than 8 ft. .48 hour forecast Gulf of California N of 25n NW winds to 20 kt. Seas less than 8 ft.

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

.Convection valid 1500 UTC Tue Dec 15...

.intertropical convergence zone...06n77w to 07n105w to 05n115w to 07n125w to 07n140w. Scattered moderate convection within 90 nm S of axis between 123w and 125w and within 60 nm either side of axis W of 130w.

$$ .Forecaster Christensen. Tropical Prediction Center.