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High Seas Forecast


000
fzpn03 knhc 310923
hsfep2

high seas forecast
nws national hurricane center miami fl
1030 utc fri oct 31 2014

superseded by next issuance in 6 hours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

e pacific from the equator to 30n e of 140w and 03. 4s to the
equator e of 120w

synopsis valid 0600 utc fri oct 31.
24 hour forecast valid 0600 utc sat nov 01.
48 hour forecast valid 0600 utc sun nov 02.

. warnings.

... tropical storm warning...
. tropical storm vance near 10. 5n 101. 0w 1005 mb at 0900 utc oct
31 moving w - sw or 245 deg at 3 kt. maximum sustained winds 40 kt
gusts 50 kt. tropical storm force winds within 40 nm n
semicircle and 0 nm s semicircle. seas 12 ft or greater within 0
nm s semicircle ... 60 nm ne quadrant and 45 nm nw quadrant with
seas to 14 ft. elsewhere within 120 nm e semicircle and 90 nm nw
quadrant winds 20 to 33 kt. seas 8 to 12 ft.
. 24 hour forecast tropical storm vance near 9. 8n 103. 1w. maximum
sustained winds 50 kt gusts 60 kt. tropical storm force winds
within 50 nm n semicircle and 30 nm s semicircle. seas 12 ft or
greater within 60 nm n and 30 nm s semicircles with seas to 16
ft. elsewhere within 60 nm e semicircle and 150 nm w semicircle
winds 20 to 33 kt. seas 8 to 12 ft.
. 48 hour forecast tropical storm vance near 10. 9n 106. 8w.
maximum sustained winds 60 kt gusts 75 kt. tropical storm force
winds within 70 nm ne quadrant ... 50 nm se quadrant ... 40 nm sw
quadrant ... and 60 nm nw quadrant. seas 12 ft or greater within
120 nm n and 60 nm s semicircles with seas to 21 ft. elsewhere
within 240 nm n semicircle and 120 nm s semicircle winds 20 to
33 kt. seas 8 to 12 ft. remainder area from 06n to 16n between
104w and 111w winds 20 kt or less. seas 8 to 11 ft in mixed
swell.
. 72 hour forecast hurricane vance near 14. 0n 110. 0w. maximum
sustained winds 70 kt gusts 85 kt. extended outlook ... use for
guidance only ... errors may be large.
. 96 hour forecast tropical storm vance near 18. 5n 109. 0w.
maximum sustained winds 60 kt gusts 75 kt.
. 120 hour forecast tropical storm vance near 22. 5n 106. 0w.
maximum sustained winds 40 kt gusts 50 kt.

forecast winds in and near active tropical cyclones should be
used with caution due to uncertainty in forecast track ... size
and intensity.

... gale warning...
. within 45 nm either side of a line from 16n95w to 14n95w...
including the gulf of tehuantepec ... n to ne winds 20 to 30 kt.
seas 8 to 10 ft.
. 06 hour forecast within 30 nm either side of a line from 16n95w
to 14n95. 5w ... including the gulf of tehuantepec ... n to ne winds
30 to 35 kt. seas 10 to 12 ft. elsewhere within 45 nm either
side of a line from 16n95w to 14n95. 5w to 12. 5n96. 5w n to ne
winds 20 to 30 kt. seas 8 to 10 ft.
. 18 hour forecast within 45 nm either side of a line from 16n95w
to 14n95. 5w ... including the gulf of tehuantepec ... n to ne winds
30 to 40 kt. seas 10 to 14 ft. elsewhere within 75 nm either
side of a line from 16n95w to 14n96w to 11. 5n98w n to ne winds
20 to 30 kt. seas 8 to 12 ft in ne swell.
. 24 hour forecast within 45 nm either side of a line from 16n95w
to 15n95w to 13n97w ... including the gulf of tehuantepec ... n to
ne winds 30 to 40 kt. seas 12 to 16 ft. elsewhere within 90 nm
either side of a line from 16n95w to 14n95. 5w to 12n100w ne to e
winds 20 to 30 kt. seas 8 to 12 ft in ne swell.
. 48 hour forecast within 30 nm either side of a line from 16n95w
to 15n95w to 13. 5n97w ... including the gulf of tehuantepec ... n to
ne winds 30 to 40 kt. seas 12 to 16 ft. elsewhere within 90 nm
either side of a line from 16n95w to 15n95w to 12. 5n98w n to ne
winds 20 to 30 kt. seas 10 to 14 ft in ne swell. remainder area
from 07n to 15n between 94w and 104w winds 20 kt or less. seas 8
to 11 ft primarily in ne swell.

. synopsis and forecast.

. cold front from 30n131w to 25n140w. n of 29n w of 137w winds 20
kt or less. seas to 9 ft in nw swell.
. 24 hour forecast dissipating cold front from 30n121w to
23n132w. nw of a line from 30n125w to 18n140w winds 20 kt or
less. seas 8 to 12 ft in nw swell. from 13n to 18n w of 131w ne
to e winds 20 to 25 kt. seas to 9 ft.
. 48 hour forecast cold front dissipated. from 11n to 21n w of a
line from 21n133w to 11n139w winds ne to e winds 20 to 25 kt.
seas 9 to 11 ft in mixed ne wind waves and nw swell. elsewhere w
of a line from 30n116w to 10n132w to 10n140w winds 20 or less.
seas 8 to 12 ft in nw swell.

. 48 hour forecast from 10n to 11. 5n e of 88w ... including the
gulf of papagayo ... ne to e winds 20 to 25 kt. seas to 8 ft.

. remainder of area winds 20 kt or less. seas less than 8 ft.

convection valid 0730 utc fri oct 31...

. tropical storm vance ... numerous moderate to strong within 240
nm ne semicircle and elsewhere within 90 nm nw quadrant.

. intertropical convergence zone/monsoon trough...
monsoon trough axis from 07n77w to 10n86w to 09n92w to
10n96w ... then resumes from 10n105w to 12n122w to 08n140w.
scattered moderate to strong over waters within 120 nm n and 240
nm s of axis e of 89w and from 12n to 14n between 88w and 93w.

$$
. forecaster schauer. national hurricane center.



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