High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 240327
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE JAN 24 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 24 2017.
24 HOUR FORECAST VALID 0000 UTC JAN 25 2017.
48 HOUR FORECAST VALID 0000 UTC JAN 26 2017.

.WARNINGS.

.SYNOPSIS AND FORECAST.

.FRONT 30N161E TO 29N160E MOVING E 30 KT. TROUGH FROM 30N168E TO
22N160E MOVING E 20 KT. WINDS 20 TO 30 KT W OF A LINE FROM 30N173E
TO 28N169E.
.24 HOUR FORECAST FRONT MERGED WITH TROUGH FROM 30N179E TO
22N160E. W WINDS 20 TO 30 KT N OF 28N W OF 170E. SW WINDS 20 TO 25
KT WITHIN 240 NM E OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT FROM 30N173W TO 19N160E. WINDS DIMINISHED
TO 20 KT OR LESS.

.FRONT FROM 30N164W TO 28N170W TO 28N178W TO 25N175E. FRONT
MOVING ENE 25 KT E OF 170W...OTHERWISE NEARLY STATIONARY AND
WEAKENING.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N149W TO 29N158W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 22N E OF 163W...FROM 07N
TO 16N W OF 163W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 20N E OF
165W...AND FROM 09N TO 14N W OF 165W.
.48 HOUR FORECAST NE TO E WINDS 10N TO 22N E OF 160W...AND FROM
06N TO 17N BETWEEN 160W AND 170E.

.TROUGH FROM 09N164E TO 04N160E MOVING W 15 KT. SCATTERED
MODERATE TSTMS W OF TROUGH...AND FROM 04N TO 08N BETWEEN TROUGH
AND 177W.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.RIDGE FROM 26N140W TO 30N145W MOVING NE SLOWLY AND WEAKENING.

.RIDGE FROM 30N147W TO 27N163W NEARLY STATIONARY AND ERODING FROM
THE W.

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

.SEAS 12 TO 16 FT N OF A LINE FROM 30N164W TO 24N178E TO
26N174E...AND N OF A LINE FROM 30N164E TO 28N160E. SEAS 12 TO 13
FT FROM 15N TO 19N E OF 153W. SEAS 8 TO 12 FT ELSEWHERE N OF A
LINE FROM 06N140W TO 04N173E TO 07N168E TO 06N160E.
.24 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N149W TO
23N159W TO 28N175W...AND N OF A LINE FROM 30N176E TO 26N164E TO
26N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 08N140W TO
02N154W TO 04N175E TO 10N168E TO 07N160E.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 25N140W TO
20N151W TO 23N157W...AND N OF A LINE FROM 30N177E TO 26N167E TO
26N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 10N140W TO
04N160W TO 02N175E TO 12N166E TO 08N160E.

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

.ITCZ FROM 08N140W TO 08N152W TO 03N167W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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