Marine Weather for HS 001

Forecast
High Seas Forecast NWS ocean prediction center Washington DC 1030 UTC Fri Jan 17 2020

Superseded by next issuance in 6 hours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.

Only you know the weather at your position. Report it to the National Weather Service. Email US at vosops@noaa.Gov(lowercase).

Securite

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

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

.Warnings.

...Storm Warning... .Low 45n150w 979 mb moving NE 25 kt. Over forecast waters within 240 nm SW quadrant winds 40 to 55 kt. Seas 15 to 25 ft. Elsewhere within 180 nm N and E of a front from 46n150w to 45n145w to 34n150w...and 540 nm S and 420 nm SW quadrants...and from 30n to 36n between 150w and 160w winds 25 to 40 kt. Seas 10 to 20 ft. .24 hour forecast complex low with mean center 49n138w 978 mb. Within 180 nm N and E of a front from 51n142w to 47n128w to 40n129w...and between 180 nm and 420 nm se quadrant winds 40 to 55 kt. Seas 14 to 29 ft. Elsewhere from 36n to 56n E of 145w winds 25 to 40 kt...except winds less than 25 kt within 60 nm of center. Seas 12 to 20 ft. .48 hour forecast complex low with mean center 50n148w 982 mb. Within 420 nm N...1020 nm E...and 1020 nm S quadrants winds 25 to 40 kt. Seas 14 to 29 ft...highest S quadrant.

...Storm Warning... .Low 50n174w 982 mb moving E 25 kt. Over forecast waters within 360 nm SW quadrant winds 40 to 50 kt. Seas 14 to 26 ft. Elsewhere within 180 nm N...300 nm E...780 nm S...and 420 nm W quadrants winds 25 to 40 kt. Seas 10 to 20 ft. .24 hour forecast complex low with main center 48n160w 979 mb and second center 52n156w 984 mb. Within 420 nm SW quadrant of main center winds 40 to 55 kt. Seas 18 to 35 ft. Elsewhere within 720 nm SW semicircle of main center...and within 300 nm N semicircle of second center winds 25 to 40 kt. Seas 12 to 24 ft...except where described with low 49n138w above. .48 hour forecast low merged with complex low 50n148w described above.

...Gale Warning... .Low 52n139w 1003 mb moving NW 15 kt. Over forecast waters from 55n to 60n E of 147w winds 25 to 40 kt. Seas 8 to 12 ft. .24 hour forecast low 56n147w 997 mb. From 56n to 60n E of 155w winds 25 to 40 kt. Seas 12 to 21 ft. .48 hour forecast low dissipated and associated conditions diminished.

...Gale Warning... .Low W of area near 42n158e 1014 mb moving NE 30 kt. Over forecast waters within 180 nm se quadrant winds 20 to 30 kt. Seas to 10 ft. .24 hour forecast low 46n174e 1010 mb. Within 180 nm S semicircle winds 25 to 40 kt. Seas 10 to 14 ft. .48 hour forecast low 47n163w 996 mb. Within 300 nm S quadrant winds 35 to 45 kt. Seas 16 to 24 ft. Elsewhere within 420 nm S quadrant winds 25 to 35 kt. Seas 10 to 16 ft.

...Gale Warning... .48 hour forecast low W of area near 37n155e 976 mb. Over forecast waters W of a line from 30n168w to 36n177w to 42n177w to 45n160w winds 25 to 40 kt. Seas 12 to 20 ft.

...Heavy freezing spray warning... .Moderate to heavy freezing spray over ice free forecast waters NE of a line from 57n159w to 59n170w to 62n174w. .24 hour forecast moderate to heavy freezing spray NE of a line from 56n158w to 60n170w to 62n174w. .48 hour forecast moderate to heavy freezing spray NE of a line from 57n160w to 59n170w to 62n174w.

.Synopsis and forecast.

.low 57n172w 992 mb moving NW 15 kt. Over ice free forecast waters NW of a line from 51n162w to 55n155w winds 20 to 30 kt. Seas 8 to 12 ft. .24 hour forecast low 59n179w 995 mb. NW of a line from 56n160w to 53n168w winds 20 to 30 kt. Seas 8 to 10 ft. .48 hour forecast low NW of area near 60n179e. N of 56n and W of 170w winds 20 to 30 kt. Seas 8 to 12 ft.

.48 hour forecast new low 54n160w 990 mb. Over forecast waters within 120 nm of center...and within 360 nm SW of a line from 50n166w to 56n177w winds 20 to 30 kt. Seas 8 to 12 ft.

.Dense fog. Vsby occasionally less than 1 nm within 120 nm of a line from 49n159w to 62n174w. .24 hour forecast dense fog within 120 nm of a line from 50n170w to 60n179e. .48 hour forecast dense fog N of 58n W of 167w.

.high 32n124w 1023 mb remaining stationary. .24 hour forecast high 32n124w 1027 mb. .48 hour forecast high 35n125w 1024 mb.

.High 33n173w 1026 mb drifting se. .24 hour forecast high 31n170w 1025 mb. .48 hour forecast high 30n167w 1026 mb.

.high 38n168w 1022 mb moving E 25 kt. .24 hour forecast high 38n177w 1023 mb. .48 hour forecast high merged with high 30n167w.

.48 hour forecast new high 44n177w 1017 mb.

.forecaster Byrd/Mills. Ocean prediction center.

National Hurricane Center Miami FL

E Pacific from the Equator to 30n E of 140w and 03.4s to the Equator E of 120w

Synopsis valid 0600 UTC Fri Jan 17. 24 hour forecast valid 0600 UTC Sat Jan 18. 48 hour forecast valid 0600 UTC sun Jan 19.

.Warnings.

...Gale Warning... .Within 30 nm of line from 16n95w to 14.5n95w...including Gulf of Tehuantepec...N winds 30 to 35 kt. Seas 9 to 14 ft. Elsewhere within 75 nm of line from 16n95w to 12.5n96w N to NE winds 20 to 30 kt. Seas 8 to 11 ft. .24 hour forecast within 30 nm of line from 16n95w to 15n95w... Including Gulf of Tehuantepec...N winds 30 to 35 kt. Seas 9 to 12 ft. Elsewhere within 75 nm of line from 16n95w to 12.5n96w N to NE winds 20 to 30 kt. Seas 8 to 10 ft. .36 hour forecast within 30 nm of line from 16n95w to 14n95w... Including Gulf of Tehuantepec...N to NE winds 20 to 30 kt. Seas 9 to 11 ft. Elsewhere within 75 nm of line from 16n95w to 12n96w winds 20 kt or less. Seas 8 to 10 ft in N to NE swell. .48 hour forecast within 30 nm of line from 16n95w to 13n96w... Including Gulf of Tehuantepec...N to NE winds 20 to 30 kt. Seas 8 to 11 ft.

...Gale Warning... .Within 60 nm of line from 11n86w to 10n90w...Including Gulf of papagayo...NE winds 20 to 30 kt. Seas 8 to 9 ft. .24 hour forecast within 30 nm of line from 11n86w to 10n89w... Including Gulf of papagayo...NE winds 25 to 35 kt. Seas 9 to 10 ft. Elsewhere within 75 nm of line from 11n86w to 10n91w... including Gulf of papagayo...NE to E winds 20 to 25 kt. Seas 8 to 9 ft. .36 hour forecast within 60 nm of line from 11n86w to 09n90w... Including Gulf of papagayo...NE winds 20 to 30 kt. Seas 8 to 12 ft. .48 hour forecast within 60 nm of line from 11n86w to 09n91w... Including Gulf of papagayo...NE winds 20 to 30 kt. Seas 8 to 10 ft.

.Synopsis and forecast.

.from 11n to 17n between 125w and 133w NE to E winds 20 to 25 kt. Seas 9 to 10 ft. Elsewhere within 06n93w to 06n125w to 00n140w to 20n140w to 22n113w to 06n93w winds 20 kt or less. Seas 8 to 10 ft in mixed swell. .24 hour forecast from 09n to 19n between 122w and 135w NE to E winds 20 to 25 kt. Seas 9 to 11 ft. Elsewhere within 06n99w to 07n124w to 00n140w to 26n140w to 20n117w to 06n99w winds 20 kt or less. Seas 8 to 10 ft in mixed swell. .48 hour forecast within 10n106w to 02n140w to 18n140w to 20n128w to 10n106w winds 20 kt or less. Seas 8 to 9 ft in mixed swell.

.24 hour forecast Gulf of California from 25n to 28n NW winds 20 to 25 kt. Seas less than 8 ft. .48 hour forecast little change.

.36 hour forecast low pressure near 24n140w 1009 mb. Within 18n140w to 26n140w to 25n137w to 23n136w to 18n140w se winds 20 to 30 kt. Seas 8 to 11 ft. .48 hour forecast low pressure near 25n138w 1008 mb. Within 21n132w to 19n140w to 27n140w to 27n132w to 21n132w se winds 20 to 30 kt. Seas 8 to 14 ft. From 27n to 30n W of 132w winds 20 kt or less, seas 8 to 13 ft in NW swell.

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

Convection valid at 0900 UTC Fri Jan 17...

.Intertropical convergence zone/monsoon trough... Trough from 06n78w to 05n97w. ITCZ from 05n97w to 08n140w. No significant convection.

$$ .Forecaster Mundell. National Hurricane Center.

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Open Sea Buoy Information

Place ID Sea Temp Wave Height
SOUTHWEST BERING SEA 142NM NNE OF ATTU IS, AK 46070
-
7.55 ft
WESTERN ALEUTIANS 14NM SOUTH OF AMCHITKA IS, AK 46071 40 °F 4.59 ft
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