High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 232205
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 23 2017.
24 HOUR FORECAST VALID 1800 UTC MAR 24 2017.
48 HOUR FORECAST VALID 1800 UTC MAR 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N180W 22N170E 19N160E MOVING E 20 KT N OF 25N AND SE 10 KT
ELSEWHERE. WINDS 20 TO 30 KT N OF LINE 30N172W 24N177E 30N160E.
ISOLATED MODERATE TSTMS WITHIN 60 NM OF LINE 30N176W 27N179W.
.24 HOUR FORECAST FRONT 30N170W 27N175W 23N180W 19N170E. SW WINDS 20
TO 25 KT NE OF LINE 30N163W 28N170W 30N170W.
.48 HOUR FORECAST FRONT 30N158W 25N170W. WINDS DIMINISHED TO 20 KT
OR LESS.

.FRONT 30N151W 29N159W 30N165W MOVING SE 15 KT.
.24 HOUR FORECAST FRONT 28N140W 28N148W.
.48 HOUR FORECAST FRONT MOVED E OF AREA.

.36 HOUR FORECAST FRONT NEAR 30N160E. SW WINDS 20 TO 30 KT N OF
LINE 30N171E 28N160E.
.48 HOUR FORECAST FRONT 30N169E 27N160E. SW WINDS 20 TO 25 KT NE OF
LINE 30N178E 28N170E 30N169E.

.ITCZ 06N140W 05N150W 06N160W 03N172W 04N177E 02N165E. SCATTERED
MODERATE TSTMS WITHIN 120 NM N OF ITCZ E OF 162W AND WITHIN 90 NM OF
ITCZ W OF 175E.

.24 HOUR FORECAST NEW HIGH 26N167E 1019 MB.
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE 26N140W 27N159W 21N175W 17N165E 18N160E MOVING NE 10 KT AND
ERODING FROM THE W.

.NE WINDS 20 TO 25 KT E OF LINE 06N140W 06N160W 10N160W 13N151W
12N140W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT E OF LINE 06N140W 08N170W
13N150W 12N140W.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT BOUNDED BY 18N150W 16N140W
06N140W 05N150W 06N160E 12N160E 18N150W.

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

.SEAS 20 TO 30 FT N OF LINE 30N176E 24N167E 30N162E...SEAS 8 TO 20
FT ELSEWHERE NW OF LINE 30N175W 18N160E. SEAS 8 TO 10 FT E OF LINE
05N140W 03N170W 10N180W 20N140W. SEAS 8 TO 9 FT N OF LINE 30N150W
28N159W 30N161W.
.24 HOUR FORECAST SEAS 12 TO 21 FT N OF LINE 30N169W 15N175E
30N165E...SEAS 8 TO 12 FT ELSEWHERE NW OF LINE 30N165W 10N175E
15N160E. SEAS 8 TO 10 FT E OF LINE 05N140W 05N175E 20N140W AND NE OF
LINE 18N140W 15N150W 20N152W.
.48 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE 30N158W 08N170W 09N178W
30N178E...SEAS 8 TO 12 FT ELSEWHERE E OF 170E.

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

$$
.HONOLULU FORECASTER.



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