Marine Weather for HS 001

Forecast
High Seas Forecast NWS ocean prediction center Washington DC 2230 UTC Sat Aug 17 2019

Superseded by next issuance in 6 hours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).

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Securite

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

Synopsis valid 1800 UTC Aug 17. 24 hour forecast valid 1800 UTC Aug 18. 48 hour forecast valid 1800 UTC Aug 19.

.Warnings.

...Storm Warning... .Low W of area 40n158e 996 mb moving se 20 kt. Within 240 nm NE and 300 nm se quadrants winds 25 to 35 kt. Seas 8 to 12 ft. .24 hour forecast low 39n168e 993 mb. Within 180 nm N and 360 nm S semicircles winds 25 to 35 kt. Seas 9 to 15 ft. .48 hour forecast low 43n177e 977 mb. Within 240 nm N and NE quadrants...and 180 nm SW semicircle winds 35 to 50 kt. Seas 12 to 21 ft. Elsewhere within 540 nm N...480 nm E...720 nm S...and 600 nm W quadrants winds 25 to 35 kt. Seas 9 to 15 ft.

...Gale Warning... .From 34n to 45n between 123w and 131w area of NW to N winds 20 to 30 kt. Seas 8 to 13 ft. .06 hour forecast from 37n to 43n between 124w and 129w area of NW to N winds 25 to 35 kt. Seas 9 to 14 ft. .24 hour forecast from 37n to 44n between 124w and 127w area of NW to N winds to 25 kt. Seas to 10 ft. .48 hour forecast conditions diminished.

...Gale Warning... .Low 58n140w 1006 mb moving se 15 kt. Over forecast waters within 480 nm W and 420 nm S quadrants winds 25 to 35 kt. Seas to 11 ft. .24 hour forecast low 55n130w 999 mb. Within 360 nm W and NW quadrants winds 25 to 40 kt. Seas 10 to 17 ft. .48 hour forecast low dissipated inland and conditions diminished.

...Gale Warning... .Low 51n179e 1008 mb moving NW 15 kt. Within 300 nm E of a line from 59n175e to 51n179e to 45n176w winds 25 to 35 kt. Seas 10 to 17 ft. .24 hour forecast low dissipated and associated conditions diminished.

...Gale Warning... .Low 41n175w 1007 mb moving NW 15 kt. Within 300 nm N...240 nm E...and 300 nm S quadrants winds 25 to 35 kt. Seas 8 to 13 ft. .24 hour forecast low 47n179w 1001 mb. Within 360 nm NE semicircle winds 25 to 35 kt. Seas 10 to 16 ft. .48 hour forecast low and conditions absorbed by low 43n177e described above.

...Gale Warning... .12 hour forecast new low 42n170w 1006 mb. Within 240 nm NE...180 nm NW...and 300 nm se quadrants winds 25 to 35 kt. Seas 8 to 14 ft. .24 hour forecast low 42n167w 1005 mb. Within 240 nm NE...180 nm NW...and 300 nm se quadrants winds 20 to 30 kt. Seas 8 to 13 ft. .48 hour forecast low dissipated and associated conditions diminished.

...Gale Warning... .48 hour forecast new low 43n144w 995 mb. Within 240 nm se quadrant winds 35 to 45 kt. Seas 10 to 17 ft. Elsewhere within 300 nm E and 540 nm S quadrants winds 25 to 35 kt. Seas 8 to 14 ft.

.Synopsis and forecast.

.low 43n156w 1018 mb moving N 15 kt. Within 240 nm NE and 300 nm se quadrants winds to 25 kt. Seas to 9 ft. .24 hour forecast low dissipated and associated conditions diminished.

.Low 49n162e 1001 mb moving S 10 kt. Over forecast waters within 240 nm NW semicircle winds to 25 kt. Seas to 10 ft. .24 hour forecast low dissipated and associated conditions diminished.

.24 hour forecast new low 36n180w 1007 mb. Over forecast waters within 240 nm se of a front to extend from low center to 30n169e winds 20 to 30 kt. Seas to 12 ft. .48 hour forecast low and conditions absorbed by low 43n177e described in warnings section above.

.24 hour forecast from 57n to 61n between 161w and 167w area of NE winds to 25 kt. Seas to 8 ft. .48 hour forecast conditions diminished.

.48 hour forecast new low 51n146w 1002 mb. Within 240 nm N and 420 nm E quadrants winds to 25 kt. Seas to 9 ft.

.Dense fog. Vsby occasionally less than 1 nm within 120 nm NE of a line from 52n176e to 42n176w. .24 hour forecast conditions improved.

.high 40n143w 1029 mb moving se 10 kt. .24 hour forecast high 37n142w 1022 mb. .48 hour forecast high 34n131w 1019 mb.

.High 46n143w 1029 mb moving se 15 kt. .24 hour forecast high dissipated.

.High 51n157w 1029 mb moving W 05 kt. .24 hour forecast high dissipated.

.High 37n168e 1013 mb moving se 15 kt. .24 hour forecast high dissipated.

.High 38n178e 1014 mb moving NE 20 kt. .24 hour forecast high 39n173w 1012 mb. .48 hour forecast high dissipated.

.forecaster nolt. 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 1800 UTC Sat Aug 17. 24 hour forecast valid 1800 UTC sun Aug 18. 48 hour forecast valid 1800 UTC Mon Aug 19.

.Warnings.

.none.

.Synopsis and forecast.

.low pres near 12n92w 1010 mb moving W 5 kt. Winds 20 kt or less. Seas less than 8 ft. .24 hour forecast low pres...Possible tropical cyclone...near 13n94w 1008mb. Within 120 nm NE semicircle winds 20 kt or less. Seas to 8 ft in mixed se and SW swell. .48 hour forecast low pres...Possible tropical cyclone...near 14n96w 1007mb. Within 150 nm N semicircle winds 20 to 25 kt. Seas to 8 ft.

.Within 30n126w to 29n128w to 29n129w to 30n129w to 30n126w winds 20 kt or less. Seas 8 to 10 ft in S swell. .06 hour forecast winds 20 kt or less. Seas less than 8 ft.

.Within 10n114w to 10n116w to 11n116w to 11n115w to 10n114w SW winds 20 to 25 kt. Seas less than 8 ft. .24 hour forecast winds 20 kt or less. Seas less than 8 ft.

.Within 29n113w to 30n114w to 31n113w to 30n113w to 29n113w... Including Gulf of California...se to S winds 20 to 25 kt. Seas less than 8 ft. .09 hour forecast winds 20 kt or less. Seas less than 8 ft.

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

Convection valid at 2100 UTC Sat Aug 17...

.Low pres near 12n92w...Numerous moderate scattered strong within 240 nm all quadrants.

.Tropical wave near 85w...Scattered strong N of 08n between 81w and 86w.

.Tropical wave near 101w...Scattered moderate isolated strong from 10n to 17n between 100w and 107w.

.Tropical wave near 118w...Numerous moderate scattered strong from 08n to 13n between 113w and 121w.

.Tropical wave near 128w...Numerous moderate scattered strong from 10n to 18n between 124w and 130w.

.Intertropical convergence zone/monsoon trough... Monsoon trough extends from 11n78w to low pres near 12n92w to 14n125w to 10n140w.

$$ .Forecaster konarik. National Hurricane Center.

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WESTERN ALEUTIANS 14NM SOUTH OF AMCHITKA IS, AK 46071 52 °F 9.51 ft
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