High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 230337
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 23 2017.
24 HOUR FORECAST VALID 0000 UTC APR 24 2017.
48 HOUR FORECAST VALID 0000 UTC APR 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT APPROACHING NW PORTION OF FORECAST AREA. SW WINDS 20 TO 25
KT AND SEAS 8 TO 9 FT N OF 28N W OF 173E.
.24 HOUR FORECAST FRONT FROM 30N163E TO 29N160E. SW WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT N OF 28N W OF 177W.
.48 HOUR FORECAST FRONT FROM 30N177E 27N174E TO 23N160E. SW WINDS
20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 300 NM E OF FRONT N OF 27N.
NW TO N WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 390 NM W OF
FRONT N OF 27N.

.DISSIPATING STATIONARY FRONT FROM 25N140W TO 22N153W.
.24 HOUR FORECAST FRONT DISSIPATED.

.RIDGE FROM 30N160W TO 26N180W TO 23N160E NEARLY STATIONARY.

.E TO NE WINDS 20 TO 25 KT FROM 07N TO 19N E OF 158W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 09N TO 17N E OF
155W.
.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT E OF A LINE FROM 30N156W TO 10N174W TO 04N140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT E OF A LINE FROM 30N140W TO
10N170W TO 03N140W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 07N TO 18N E OF 160W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS WITHIN 120 NM OF POINT 22N164W.

.ITCZ FROM 03N140W TO 03N147W...AND FROM 07N175W TO 06N167E TO
05N160E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF ITCZ
W OF 167E. ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ BETWEEN
175W AND 167E...FROM 03N TO 07N BETWEEN 165W AND 175W...AND
WITHIN 60 NM OF ITCZ E OF 147W.

$$

.FORECASTER WROE. HONOLULU HI.



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