High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 171525
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 17 2017.
24 HOUR FORECAST VALID 1200 UTC JAN 18 2017.
48 HOUR FORECAST VALID 1200 UTC JAN 19 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N164E TO 25N160E MOVING E 40 KT. SW TO W WINDS 20 TO
35 KT N OF 26N W OF 169E.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N178E TO 23N163E.
DEVELOPING FRONTS FROM 30N175W TO 20N170E TO 16N160E...AND FROM
27N163W TO 30N171W. WINDS 30 TO 40 KT N OF LINE FROM 28N169W TO
26N177W TO 29N171E. WINDS 20 TO 30 KT ELSEWHERE N OF LINE FROM
27N164W TO 25N179E TO 29N162E.
.48 HOUR FORECAST FRONTS MERGED INTO ONE FRONT FROM 30N163W TO
22N180E TO 14N160E. NE TO E WINDS 20 TO 30 KT W OF LINE FROM 24N160E
TO 22N178E TO 12N160E. SW TO W WINDS 20 TO 25 KT WITHIN 600 NM E OF
FRONT N OF 29N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N161W TO 24N180E TO 23N176E TO 24N171E TO 19N160E
MOVING E 30 KT ALONG 30N...AND NEARLY STATIONARY W OF 173W. SW TO W
WINDS 20 TO 30 KT N OF LINE FROM 29N145W TO 27N166W TO 29N174W.
ISOLATED MODERATE TSTMS FROM 25N TO 27N BETWEEN 170W AND 173W.
.24 HOUR FORECAST FRONT FROM 30N144W TO 27N154W TO 27N160W. WINDS 20
TO 25 KT N OF 29N E OF 148W.
.48 HOUR FORECAST WEAK FRONT FROM 26N140W TO 30N149W. WINDS EASED TO
20 KT OR LESS OVER FORECAST WATERS.

.NE TO E WINDS 20 TO 25 KT FROM 09N TO 16N E OF 169W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 19N E OF
171W. NE WINDS 20 TO 25 KT FROM 04N TO 09N W OF 174E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 07N TO 18N E OF
168W...AND W OF LINE FROM 12N177E TO 03N162E.

.RIDGE FROM 28N140W TO 23N165W TO 19N180E TO 17N170E NEARLY
STATIONARY AND GRADUALLY ERODING FROM THE W.

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

.SEAS 18 TO 22 FT N OF 28N BETWEEN 170W AND 177E. SEAS 12 TO 18 FT
ELSEWHERE N OF LINE FROM 29N155W TO 25N171W TO 19N179W TO 17N173E TO
25N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 29N145W TO 21N171W
TO 11N178E TO 09N160E. SEAS 8 TO 10 FT E OF LINE FROM 19N150W TO
14N175W TO 08N178E TO 07N177W. SEAS 8 TO 9 FT FROM 05N TO 07N
BETWEEN 167W AND 178W.
.24 HOUR FORECAST SEAS 18 TO 21 FT N OF 28N BETWEEN 170E AND 179E.
SEAS 18 TO 20 FT N OF 28N BETWEEN 159W AND 166W. SEAS 12 TO 18 FT
ELSEWHERE N OF LINE FROM 29N155W TO 17N168W TO 17N175W TO 25N178W TO
22N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 08N140W TO 05N176W
TO 03N176E TO 06N160E...EXCEPT SEAS 8 FT OR LESS E OF LINE FROM
28N140W TO 22N159W TO 17N154W.
.48 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE FROM 29N140W TO
13N159W...AND N OF LINE FROM 29N163W TO 23N178W TO 23N176E. SEAS 8
TO 12 FT ELSEWHERE N OF LINE FROM 07N140W TO 04N170W TO 03N160E...
EXCEPT SEAS 8 FT OR LESS FROM 17N TO 25N E OF 145W.

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

.ISOLATED MODERATE TSTMS FROM 04N TO 07N BETWEEN 162E AND 165E.

.ITCZ FROM 06N140W TO 07N148W TO 04N175W TO 04N176E TO 01N168E.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS FROM 02N TO 06N BETWEEN
168E AND 175W. ISOLATED MODERATE TSTMS WITHIN 90 NM N...AND 60 NM
S...OF ITCZ E OF 171W.

$$

.FORECASTER KINEL. HONOLULU HI.


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