High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 171025
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 17 2017.
24 HOUR FORECAST VALID 0600 UTC JAN 18 2017.
48 HOUR FORECAST VALID 0600 UTC JAN 19 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N164W TO 24N180E TO 23N172E TO 24N169E TO 19N160E
MOVING E 25 KT ALONG 30N...AND NEARLY STATIONARY W OF 175E. SW TO W
WINDS 20 TO 35 KT N OF LINE FROM 29N146W TO 28N167W TO 29N175W.
ISOLATED MODERATE TSTMS FROM 24N TO 27N BETWEEN 172W AND 178W.
.24 HOUR FORECAST FRONT FROM 30N150W TO 27N160W TO 26N167W. SW TO W
WINDS 20 TO 25 KT N OF 28N E OF 154W.
.48 HOUR FORECAST WEAKENING FRONT FROM 27N140W TO 29N150W. WINDS
EASED TO 20 KT OR LESS.

...GALE WARNING...
.FRONT NEAR 30N160E MOVING E 40 KT. SW TO W WINDS 20 TO 35 KT N OF
25N W OF 165E.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N178E TO 23N167E.
DEVELOPING FRONT FROM 30N178W TO 20N170E TO 16N160E. ANOTHER
WEAKENING FRONT FROM 30N173E TO 25N160E. WINDS 30 TO 40 KT N OF LINE
FROM 27N171W TO 26N167E. WINDS 20 TO 30 KT ELSEWHERE N OF LINE FROM
27N170W TO 23N177E TO 24N163E TO 27N160E.
.48 HOUR FORECAST FRONTS MERGED INTO ONE FRONT FROM 30N166W TO
18N170E TO 15N160E. NE TO E WINDS 20 TO 30 KT W OF LINE FROM 24N160E
TO 22N178E TO 15N160E. SW WINDS 20 TO 25 KT WITHIN 600 NM E OF FRONT
N OF 28N.

.SYNOPSIS AND FORECAST.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 16N E OF 168W...AND FROM
07N TO 10N BETWEEN 175W AND 179E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 16N E OF
168W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 18N E OF
168W...AND W OF LINE FROM 14N160E TO 12N176E TO 04N160E.

.RIDGE FROM 28N140W 23N165W TO 19N180E TO 17N168E NEARLY STATIONARY
AND GRADUALLY ERODING FROM THE W.

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

.SEAS 18 TO 23 FT N OF LINE FROM 29N172W TO 27N180E TO 29N173E. SEAS
12 TO 18 FT ELSEWHERE N OF LINE FROM 29N156W TO 23N176W TO 19N176E
TO 19N167E TO 25N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM
29N144W TO 21N173W TO 11N170E TO 10N160E. SEAS 8 TO 10 FT E OF LINE
FROM 20N154W TO 10N179E TO 07N180E. SEAS 8 TO 9 FT FROM 05N TO 07N
BETWEEN 165W AND 174W.
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF 28N BETWEEN 166E AND 176E...
AND N OF 28N BETWEEN 162W AND 171W. SEAS 12 TO 18 FT ELSEWHERE N OF
LINE FROM 29N151W TO 27N161W TO 17N174W TO 25N174E TO 23N160E. SEAS
8 TO 12 FT ELSEWHERE N OF LINE FROM 07N140W TO 07N176W TO 05N165E TO
16N160E...EXCEPT SEAS 8 FT OR LESS E OF LINE FROM 29N140W TO 25N157W
TO 19N154W.
.48 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE FROM 29N144W TO 13N161W
TO 13N166W. SEAS 12 TO 16 FT N OF LINE FROM 29N166W TO 24N180E TO
24N176E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 05N140W TO 06N165W
TO 03N171W TO 04N177E TO 07N160E.

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

.ISOLATED MODERATE TSTMS FROM 02N TO 06N W OF 166E.

.ITCZ FROM 07N140W TO 08N146W TO 04N170W TO 04N175E TO 01N169E.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS FROM 03N TO 06N BETWEEN
173W AND 177E. ISOLATED MODERATE TSTMS WITHIN 90 NM N...AND 60 NM
S...OF ITCZ E OF 169W.

$$

.FORECASTER KINEL. HONOLULU HI.


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