High Seas Forecast
Issued by NWS

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FZPN40 PHFO 052233
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON DEC 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 05 2016.
24 HOUR FORECAST VALID 1800 UTC DEC 06 2016.
48 HOUR FORECAST VALID 1800 UTC DEC 07 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 07N170W 1008 MB MOVING W 10 KT. TROUGH FROM 12N162W TO LOW TO
03N179W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 13N168W TO 06N175W
TO 03N178E.
.48 HOUR FORECAST TROUGH FROM 15N173W TO 07N175W TO 03N174E.

.FRONT FROM 30N179E TO 26N174E NEARLY STATIONARY. TROUGH FROM
30N179W TO 24N179E MOVING E SLOWLY. N TO NE WINDS 20 TO 25 KT
BETWEEN FRONT AND 170E. SCATTERED MODERATE TSTMS BETWEEN FRONT
AND TROUGH...AND WITHIN 120 NM E OF TROUGH.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH DEVELOPED INTO A LOW
27N177W 1012 MB. TROUGH FROM 30N171W TO LOW TO 19N178W. NE TO E
WINDS 20 TO 25 KT N OF 29N BETWEEN TROUGH AND 178E.
.48 HOUR FORECAST LOW MOVED N OF AREA. TROUGH DEVELOPING INTO A
FRONT FROM 30N169W TO 25N172W TO 24N178W.

.TROUGH FROM 29N152W TO 21N153W TO 12N159W NEARLY STATIONARY. SE
TO S WINDS 20 TO 25 KT WITHIN 240 NM E OF TROUGH N OF 21N.
ISOLATED MODERATE TSTMS BETWEEN TROUGH AND 150W...AND WITHIN 120
NM W OF TROUGH N OF 22N.
.24 HOUR FORECAST TROUGH FROM 30N150W TO 22N152W TO 13N162W.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 30N146W TO 25N151W TO 19N164W.

.48 HOUR FORECAST NEW FRONT FROM 30N168E TO 29N160E MOVING ESE 20
KT.

.RIDGE FROM 30N166E TO 27N160E MOVING E 10 KT.

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

.SEAS 8 TO 12 FT N OF A LINE FROM 18N147W TO 19N177W TO 25N165E.
SEAS 8 TO 10 FT FROM 10N TO 16N E OF 146W...AND FROM 10N TO 20N W
OF 174E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N159W TO
24N170W TO 26N172E.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE FROM 30N160W TO
25N179E.

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

.ITCZ FROM 09N140W TO 12N151W. ISOLATED MODERATE TSTMS WITHIN 60
NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 03N TO 07N W OF 172E.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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