High Seas Forecast
Issued by NWS

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251
FZPN40 PHFO 242240
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 24 2017.
24 HOUR FORECAST VALID 1800 UTC MAR 25 2017.
48 HOUR FORECAST VALID 1800 UTC MAR 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N169W 25N176W 18N172E MOVING E 25 KT N OF 25N AND SE 10 KT
ELSEWHERE. SW WINDS 20 TO 25 KT NE OF LINE 30N162W 27N172W 30N170W.
.24 HOUR FORECAST FRONT 30N157W 25N173W. WINDS DIMINISHED TO 20 KT
OR LESS.
.48 HOUR FORECAST FRONT 30N140W 29N149W.

.FRONT 28N140W 28N148W MOVING SE 15 KT.
.24 HOUR FORECAST FRONT MOVED E OF AREA.

.FRONT W OF AREA. SW WINDS 20 TO 25 KT N OF LINE 30N161E 29N160E.
.24 HOUR FORECAST FRONT 30N170E 26N160E. SW WINDS 20 TO 25 KT N OF
28N BETWEEN 178E AND 170E.
.48 HOUR FORECAST 30N180W 27N175E 26N170E. WINDS DIMINISHED TO 20 KT
OR LESS.

.ITCZ 05N145W 05N155W 07N163W 05N175W 02N174E 03N165E 03N160E.
SCATTERED STRONG TSTMS WITHIN 100 NM OF ITCZ E OF 150W AND WITHIN
180 NM N OF ITCZ W OF 172E...ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 150 NM OF ITCZ.

.HIGH 26N167E 1019 MB AND RIDGE 23N180W THROUGH HIGH TO 23N160E
MOVING NE 25 KT.
.24 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE 26N140W 27N150W 21N180W MOVING NE 20 KT.
.24 HOUR FORECAST NEW HIGH 27N148W 1028 MB. RIDGE 29N140W THROUGH
HIGH TO 27N160W 23N176W.

.NE WINDS 20 TO 25 KT BOUNDED BY 13N153W 08N140W 05N140W 07N167W
09N168W 13N153W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT BOUNDED BY 19N150W 15N140W
10N140W 05N150W 10N175E 19N150W.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT BOUNDED BY 20N150W 10N140W
05N170W 10N165E 20N150W.

.SEAS 12 TO 22 FT N OF LINE 30N171W 20N180W 16N173E 30N165E...SEAS 8
TO 12 FT ELSEWHERE NW OF LINE 30N168W 17N180W 10N170E 14N160E. SEAS
8 TO 10 FT E OF LINE 04N140W 07N175E 18N140W AND NE OF LINE 28N140W
25N150W 30N152W.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE 30N158W 08N170W 09N178W
30N179E...SEAS 8 TO 12 FT ELSEWHERE E OF 170E.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE 30N148W 10N158W 07N160W
20N165W 30N166W...SEAS 8 TO 12 FT ELSEWHERE E OF LINE 00N180W
10N170E 20N180W 30N165E.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.HONOLULU FORECASTER.



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