High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 231025
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU MAR 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 23 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 24 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 25 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N176E TO 20N160E MOVING E 30 KT. WINDS 25 TO 40 KT N
OF LINE FROM 28N178W TO 23N171E TO 26N160E. ISOLATED MODERATE TSTMS
WITHIN 75 NM E OF FRONT N OF 23N.
.24 HOUR FORECAST FRONT FROM 30N173W TO 20N170E TO 18N160E. S TO SW
WINDS 20 TO 30 KT WITHIN 360 NM E OF FRONT N OF 26N. W WINDS 20 TO
30 KT N OF 28N BETWEEN 168E AND 178W.
.48 HOUR FORECAST FRONT FROM 30N164W TO 20N170E TO 19N160E. SW WINDS
20 TO 25 KT WITHIN 240 NM E OF FRONT N OF 29N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N159W TO 28N165W TO 28N176W DRIFTING E AND SE.
ISOLATED MODERATE TSTMS WITHIN 60 NM OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N142W TO 29N153W TO 30N159W.
.48 HOUR FORECAST WEAK FRONT FROM 27N140W TO 30N147W.

.48 HOUR FORECAST FRONT JUST W OF FORECAST AREA. SW WINDS 20 TO 30
KT N OF 28N W OF 169E.

.36 HOUR FORECAST HIGH 26N170E 1019 MB.
.48 HOUR FORECAST HIGH 29N179E 1021 MB.

.RIDGE FROM 27N140W TO 26N160W TO 24N170W TO 17N169E NEARLY
STATIONARY AND GRADUALLY ERODING FROM THE W.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 14N E OF 160W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 13N E OF
166W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 05N TO 18N E OF
163W. NE TO E WINDS 20 TO 25 KT FROM 05N TO 13N BETWEEN 163W AND
179W.

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

.SEAS 18 TO 32 FT NW OF LINE FROM 30N170E TO 25N160E. SEAS 12 TO 18
FT ELSEWHERE NW OF LINE FROM 30N173E TO 22N160E. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE FROM 29N179E TO 24N171E TO 21N160E. SEAS 8 TO 9
FT FROM 05N TO 14N E OF 175W.
.24 HOUR FORECAST SEAS 18 TO 26 FT N OF LINE FROM 29N178W TO 24N175E
TO 28N168E. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 29N177W TO
19N170E TO 23N161E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 29N174W
TO 16N168E TO 15N160E. SEAS 8 TO 10 FT N OF 28N E OF 156W...AND FROM
05N TO 14N E OF 168W.
.48 HOUR FORECAST SEAS 12 TO 19 FT N OF LINE FROM 29N165W TO 19N174W
TO 19N179E TO 29N173E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM
29N163W TO 12N174W TO 05N179E TO 06N172E TO 23N163E TO 29N160E. SEAS
8 TO 10 FT ELSEWHERE FROM 05N TO 15N E OF 180E...AND N OF 25N E
OF 147W. SEAS 8 TO 9 FT FROM 15N TO 18N E OF 150W.

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

.ITCZ FROM 05N140W TO 03N160W TO 04N175W TO 04N173E. ISOLATED
MODERATE TSTMS FROM 03N TO 07N E OF 173E...AND FROM 05N TO 08N
BETWEEN 168E AND 173E.

$$

.FORECASTER KINEL. HONOLULU HI.


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