High Seas Forecast
Issued by NWS

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231
FZPN40 PHFO 240317
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 24 2017.
24 HOUR FORECAST VALID 0000 UTC APR 25 2017.
48 HOUR FORECAST VALID 0000 UTC APR 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N162E 28N160E MOVING ESE 20 KT. SW WINDS 20 TO 25 KT N
OF 28N W OF 175W.
.24 HOUR FORECAST FRONT 30N176E 25N160E. SW WINDS 20 TO 25 KT N
OF 28N BETWEEN 178E AND 165W.
.48 HOUR FORECAST FRONT 30N175W 25N175E 22N160E. WINDS DIMINISHED
TO 20 KT OR LESS.

.RIDGE 30N148W 26N175W 24N160E NEARLY STATIONARY AND ERODING FROM
THE W.

.E TO NE WINDS 20 TO 25 KT FROM 08N TO 17N E OF 160W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 10N TO 17N
BETWEEN 146W AND 160W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 10N TO 18N E OF
162W. NE WINDS 20 TO 25 KT N OF 20N W OF 170E.

.WINDS 20 KT OR LESS REMAINDER OF AREA.

.SEAS 8 TO 9 FT E OF LINE 25N145W 18N150W 16N162W 06N162W AND N OF
28N W OF 180E.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 08N TO 18N BETWEEN 148W AND
164W AND N OF 28N BETWEEN 172E AND 168W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 18N BETWEEN 155W AND
168W.

.SEAS 8 FT OR LOWER REMAINDER OF AREA.

.ITCZ 04N140W 03N150W 01N156W. ISOLATED MODERATE TSTMS S OF 05S
BETWEEN 144W AND 153W.

.SCATTERED MODERATE TO STRONG TSTMS FROM 04N TO 09N W OF 170E.
ISOLATED MODERATE TSTMS FROM 03N TO 09N BETWEEN 172W AND 175E.

$$

.FORECASTER BURKE. HONOLULU HI.



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