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High Seas Forecast


000
fzpn40 phfo 092240
hsfnp

high seas forecast
national weather service honolulu hi
2300 utc tue feb 09 2010

superseded by next issuance in 6 hours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.

this high seas forecast uses 1 - minute average winds which may be
higher than 10 - minute average winds.

securite

north pacific equator to 30n between 140w and 160e

synopsis valid 1800 utc feb 09 2010.
24 hour forecast valid 1800 utc feb 10 2010.
48 hour forecast valid 1800 utc feb 11 2010.

. warnings.

... gale warning...
. cold front from 30n162w to 18n180e continuing as a shear line to
09n160e. front moving e 20 kt n of 20n but remainder of front and
shear line nearly stationary. for next 12 hours w to nw winds 25 to
35 kt over forecast waters n of line from 30n175e to 27n170w to
30n167w. otherwise winds 20 to 25 kt elsewhere n of 24n between 175e
and 165w and within 180 nm e of front n of 27n. winds 25 to 30 kt
between shear line and 20n.
. 24 hour forecast front from 30n152w to 20n165w continuing as a
shear line to 12n170e. winds 20 to 25 kt over forecast waters n of
20n between 147w and 164w. see section describing winds below.
. 48 hour forecast front from 29n140w to 19n160w to 17n165e. winds
diminished to 20 kt or less over forecast waters.

. synopsis and forecast.

. ridge from 29n140w to 26n160w to 22n168w moving s 10 kt and
eroding from the west.

. high 27n159w 1027 mb just w of forecast area moving e 25 kt. ridge
from high to 23n178w.
. 24 hour forecast high 26n169e 1027 mb.
. 48 hour forecast high 25n178e 1025 mb.


. in addition to winds mentioned above ne to e winds 20 to 25 kt
from shear line and front to 05n w of 177w. also winds mostly 20 kt
from 06n to 16n e of 180e.
. 24 hour forecast ne to e winds 20 to 25 kt from 05n to 21n w of
168w.... and from 08n to 16n e of 168w.
. 48 hour forecast ne to e winds 20 to 25 kt in area from 06n to 19n.

. otherwise ... winds 20 kt or less over rest of forecast area.

. seas 20 to 27 ft over forecast waters n of line from 30n171e to
19n175e to 24n170w to 30n162w. seas 12 to 19 ft elsewhere n of line
from 04n160e to 06n177e to 20n164w to 30n157w. seas 8 to 11 ft
elsewhere except seas less than 8 ft e of line 20n160w to 24n140w.
. 24 hour forecast seas 19 to 23 ft n of line 24n172n to 26n160w to
30n151w. seas 9 to 18 ft elsewhere except seas 8 ft n of 25n e of
144w ... and from 24n to 28n w of 163e.
. 48 hour forecast seas 16 to 18 n of line from 30n172w to 25n160w to
30n140w. elsewhere seas 9 to 15 ft except seas 8 ft or less from 23n
to 27n w of 170e.

. isolated moderate tstms s of 06n between 161w and 176w.

$$
. forecaster jhoag. honolulu hi.






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