High Seas Forecast
Issued by NWS

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609
FZPN40 PHFO 260333
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN FEB 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 26 2017.
24 HOUR FORECAST VALID 0000 UTC FEB 27 2017.
48 HOUR FORECAST VALID 0000 UTC FEB 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N159W TO 26N163W TO 25N171W MOVING SE SLOWLY.
ISOLATED TSTMS WITHIN 90 NM E OF FRONT N OF 27N.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N158W TO 27N160W TO
23N167W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N161W TO
25N164W.

.TROUGH FROM 28N176W TO 26N177W TO 22N178W NEARLY STATIONARY.
ISOLATED TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST NEW LOW 25N175W 1013 MB.

.TROUGH FROM 27N174E TO 22N171E NEARLY STATIONARY. ISOLATED TSTMS
WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST WEAKENING TROUGH FROM 27N171E TO 24N175E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT NEAR 30N160E MOVING E 15 KT.
.24 HOUR FORECAST FRONT FROM 30N166E TO 28N160E.
.48 HOUR FORECAST WEAKENING FRONT 30N176E TO 28N172E TO 28N160E.

.RIDGES FROM 30N153W TO 26N151W TO 26N142W...AND FROM 30N153W TO
27N153W TO 24N160W. RIDGES NEARLY STATIONARY.

.RIDGE FROM 30N170E TO 25N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N W OF 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 16N W OF
167E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 13N W OF
168E...AND FROM 14N TO 19N BETWEEN 154W AND 160W.

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

.SEAS 8 TO 10 FT N OF A LINE FROM 24N140W TO 28N173W...AND W OF A
LINE FROM 20N168W TO 13N160W TO 05N170E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE FROM 30N145W TO
24N153W TO 30N174W...AND FROM 04N TO 16N W OF 165E.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 27N BETWEEN 140W AND
148W...AND FROM 06N TO 12N W OF 163E.

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

.ITCZ FROM 08N155W TO 07N175W TO 04N160E. ISOLATED MODERATE TSTMS
WITHIN 240 NM N OF ITCZ E OF 168W...AND WITHIN 60 NM OF ITCZ
ELSEWHERE.

.SCATTERED MODERATE TSTMS FROM 12N TO 15N BETWEEN 156W AND 170W.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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