High Seas Forecast
Issued by NWS

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682
FZPN40 PHFO 022258
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI DEC 02 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 02 2016.
24 HOUR FORECAST VALID 1800 UTC DEC 03 2016.
48 HOUR FORECAST VALID 1800 UTC DEC 04 2016.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N165W TO 23N177W TO 22N176E MOVING E 10 KT. N TO NE
WINDS 25 TO 35 KT WITHIN 300 NM N OF FRONT. NE TO E WINDS 20 TO 25
KT ELSEWHERE N OF FRONT...AND FROM 12N TO 26N W OF 179E. ISOLATED
TSTMS WITHIN 120 NM SE OF FRONT E OF 172W.
.24 HOUR FORECAST FRONT FROM 30N161W TO 21N170W. NE WINDS 25 TO
35 KT BETWEEN FRONT AND 170W N OF 26N. NE TO E WINDS 20 TO 25 KT
ELSEWHERE N OF FRONT...N OF 20N BETWEEN 170W AND 176W...AND FROM
08N TO 22N W OF 176W.
.48 HOUR FORECAST WEAKENING FRONT FRONT 30N158W TO 25N162W TO
22N167W. NE TO E WINDS 20 TO 25 KT FROM 19N TO 24N BETWEEN 172W
AND 178W...AND FROM 07N TO 19N W OF 176E.

.SYNOPSIS AND FORECAST.

.LOW NEAR 06N173W 1008 MB MOVING NE SLOWLY. TROUGH FROM 09N157W TO
09N163W TO LOW TO 06N179E. SCATTERED MODERATE TSTMS WITHIN 180 NM
OF LOW AND TROUGH W OF 168W. ISOLATED TSTMS WITHIN 120 NM OF
TROUGH E OF 168W.
.24 HOUR FORECAST LOW NEAR 07N171W 1008 MB. TROUGH FROM 11N159W
TO 11N165W TO LOW TO 05N178W.
.48 HOUR FORECAST LOW NEAR 08N170W 1008 MB. TROUGH FROM 15N157W
TO 12N165W TO LOW TO 05N177W.

.TROUGH FROM 29N164W TO 20N163W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.TROUGH FROM 22N156W TO 16N156W NEARLY STATIONARY. SCATTERED
MODERATE TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 23N156W TO 17N157W.
.48 HOUR FORECAST TROUGH FROM 28N153W TO 17N158W.

.TROUGH FROM 15N147W TO 11N147W TO 09N149W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 180 NM E OF TROUGH N OF 10N...AND
FROM 14N TO 17N BETWEEN 145W AND 151W.
.24 HOUR FORECAST TROUGH FROM 14N148W TO 08N149W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 10N176E TO 03N170E MOVING W 10 KT. SCATTERED MODERATE
TSTMS FROM 06N TO 09N BETWEEN 170E AND 177E.
.24 HOUR FORECAST TROUGH FROM 09N172E TO 03N165E.
.48 HOUR FORECAST TROUGH FROM 07N170E TO 03N160E.

.24 HOUR FORECAST NEW FRONT FROM 30N162E TO 29N160E MOVING SE 15
KT. NE WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N175E TO 28N165E. NE WINDS 20 TO
25 KT N OF FRONT.

.NE TO E WINDS 20 TO 30 KT N OF 12N E OF 152W...AND FROM 16N TO
27N BETWEEN 152W AND 157W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT N OF A LINE FROM
10N140W TO 13N148W TO 24N159W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT N OF A LINE FROM
12N140W TO 25N155W.

.OTHERWISE WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 13 FT N OF A LINE FROM 10N140W TO 13N157W TO 05N176W TO
12N165E TO 11N160E.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N160W TO
23N170W. SEAS 8 TO 13 FT ELSEWHERE N OF 10N E OF 160W...AND N OF A
LINE FROM 22N160W TO 07N174W TO 06N173E TO 10N160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 10N140W TO
10N146W TO 21N160W TO 06N177E TO 06N160E.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 10N140W TO 10N144W. ISOLATED TSTMS WITHIN 60 NM OF
ITCZ.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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