High Seas Forecast
Issued by NWS

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FZPN40 PHFO 241530
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FEB 24 2017.
24 HOUR FORECAST VALID 1200 UTC FEB 25 2017.
48 HOUR FORECAST VALID 1200 UTC FEB 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N167W 25N180E 21N173E MOVING E 10 KT N OF 27N AND NEARLY
STATIONARY ELSEWHERE. NE WINDS 20 TO 25 KT WITHIN 180 NM N OF
FRONT. ISOLATED MODERATE TSTMS WITHIN 180 NM SE OF FRONT E OF
180E.
.24 HOUR FORECAST FRONT 30N160W 28N170W 22N176E. NE WINDS 20 TO 25
KT WITHIN 180 NM N OF FRONT.
.48 HOUR FORECAST FRONT 30N157W 24N171W 26N177W 28N178E. NE WINDS
20 TO 25 KT WITHIN 180 NM N OF FRONT.

.FRONT 30N144W 25N149W 25N155W MOVING SE SLOWLY.
.24 HOUR FORECAST FRONT 25N140W 20N150W.
.48 HOUR FORECAST FRONT MOVED E OF FORECAST AREA.

.TROUGH 24N143W 15N145W MOVING E 10 KT. ISOLATED MODERATE TSTMS
WITHIN 240 NM E OF TROUGH S OF 20N.
.24 HOUR FORECAST TROUGH 25N140W 16N144W.
.48 HOUR FORECAST TROUGH MOVED E OF FORECAST AREA.

.NE TO E WINDS 20 TO 25 KT IN AREA 12N160E 20N170W 19N151W 08N153W
04N173E 03N160E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA 16N160E 20N178W
17N153W 09N170W 02N160E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT W OF 177E BETWEEN 04N
AND 16N.

.RIDGE 30N168E 27N160E MOVING E SLOWLY.

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

.SEAS 12 TO 14 FT N OF LINE 30N171W 23N175E 30N175E. SEAS 8 TO
12 FT ELSEWHERE N OF LINE 23N140W 08N154W 01N180W 07N160E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 19N140W 20N155W
10N156W 02N180W 03N160E.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF LINE 22N140W 23N153W
26N177W 30N180W...AND FROM 03N TO 20N W OF 157W.

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

.ITCZ 08N158W 03N180W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
ITCZ.

.ISOLATED MODERATE TSTMS FROM 03N TO 07N W OF 170E...AND FROM 02N
TO 06N BETWEEN 170E AND 179E.

$$

.FORECASTER POWELL. HONOLULU HI.



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