High Seas Forecast
Issued by NWS

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FZPN40 PHFO 032233
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT DEC 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03 2016.
24 HOUR FORECAST VALID 1800 UTC DEC 04 2016.
48 HOUR FORECAST VALID 1800 UTC DEC 05 2016.

.WARNINGS.

...GALE WARNING...
.FRONT 30N161W TO 26N164W TO 21N170W TO 17N175E NEARLY STATIONARY.
NE WINDS 25 TO 35 KT BETWEEN FRONT AND 167W N OF 26N. NE WINDS 20
TO 30 KT ELSEWHERE WITHIN 600 NM N OF FRONT. ISOLATED MODERATE
TSTMS WITHIN 270 NM E AND 60 NM W OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT 30N161W TO 27N162W TO 20N165W NEARLY
STATIONARY. LOW DEVELOPING ALONG FRONT NEAR 27N162W 1010 MB. NE
WINDS 20 TO 30 KT BETWEEN FRONT AND 170W N OF 27N.
.48 HOUR FORECAST FRONT BECOMING TROUGH 30N161W TO 27N162W TO
20N164W. WEAK LOW EMBEDDED IN TROUGH NEAR 27N162W 1011 MB. NE
WINDS 20 TO 25 KT WITHIN 180 NM NW QUADRANT OF LOW.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 24N156W TO 15N153W MOVING N 10 KT. E TO SE WINDS 20
TO 30 KT OVER FORECAST WATERS E OF TROUGH. ISOLATED MODERATE TO
STRONG TSTMS FROM 18N TO 09N BETWEEN 146W AND 152W.
.24 HOUR FORECAST TROUGH FROM 29N155W TO 25N156W TO 22N156W. SE
WINDS 20 TO 30 KT BETWEEN TROUGH AND 149W.
.48 HOUR FORECAST TROUGH MOVED N OF FORECAST AREA. WINDS
DIMINISHED TO 20 KT OR LESS.

.FRONT 30N161E TO 29N160E NEARLY STATIONARY...WILL MOVE E 15 KT
LATER TODAY. NE WINDS 20 TO 25 KT N OF FRONT.
.24 HOUR FORECAST FRONT 30N175E TO 28N167E TO 28N160E. NE WINDS
20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT 30N179E TO 27N172E. E WINDS 20 TO 25 KT
N OF FRONT.

.TROUGH 10N165W TO 07N169W TO 04N174W NEARLY STATIONARY. WEAK LOW
EMBEDDED IN TROUGH NEAR 07N169W 1008 MB. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 120 NM OF TROUGH...AND FROM 10N AND 06N
BETWEEN 157W AND 162W.
.24 HOUR FORECAST TROUGH 14N161W TO 08N168W TO 04N174W. WEAK LOW
EMBEDDED IN TROUGH NEAR 08N168W 1008 MB.
.48 HOUR FORECAST TROUGH FROM 17N159W TO 10N167W TO 05N175W. LOW
DISSIPATED.

.TROUGH 25N161W TO 19N162W TO 14N165W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF TROUGH N OF 19N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.E WINDS 20 TO 25 KT FROM 20N TO 07N OVER FORECAST WATERS W OF
176W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 18N TO 08N OVER
FORECAST WATERS W OF 173E.
.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

.RIDGE 30N175E TO 28N170E TO 21N161E MOVING E 10 KT.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 12 TO 17 FT IN AREA BOUNDED BY 30N170W 30N159W 16N177E
20N176E 30N170W. SEAS 12 TO 14 FT FROM 16N TO 23N BETWEEN 149W
AND 154W. SEAS 8 TO 12 FT ELSEWHERE N OF 09N...EXCEPT SEAS 8 FT
OR LESS N OF A LINE FROM 30N172E TO 25N160E.
.24 HOUR FORECAST SEAS 11 TO 15 FT N OF 24N BETWEEN 151W AND
172W. SEAS 8 TO 11 FT ELSEWHERE N OF A LINE FROM 08N140W TO
15N165W TO 05N180E TO 05N160E...EXCEPT SEAS 8 FT OR LESS N OF
25N BETWEEN 177W AND 172E.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF 08N W OF 180E. SEAS 8 TO
11 FT N OF 18N BETWEEN 148W AND 180E. SEAS 8 TO 9 FT FROM 10N TO
18N E OF 148W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ 04N177W TO 06N174E TO 05N160E. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 90 NM OF ITCZ W OF 174E. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF ITCZ E OF 174E.

$$

.FORECASTER WROE. HONOLULU HI.



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