High Seas Forecast
Issued by NWS

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FZPN40 PHFO 230321
HSFNP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK FRONT FROM 30N158W TO 25N170W TO 24N172W TO 26N180W TO
27N177E NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 60 NM
OF FRONT BETWEEN 175W AND 178E.
.24 HOUR FORECAST WEAK FRONT FROM 30N159W TO 26N168W TO 26N175W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 09N173W TO 02N178W MOVING W 10 KT. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 360 NM W AND 120 NM N AND E OF
TROUGH.
.24 HOUR FORECAST TROUGH FROM 10N180W TO 05N174E.
.48 HOUR FORECAST TROUGH 10N174E TO 05N170E TO 04N160E.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N AND E OF 145W.

.OTHERWISE SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ FROM 06N140W TO 03N150W.

.ISOLATED MODERATE TSTMS S OF 12N BETWEEN 174E AND 164E...AND FROM
07N TO 10N BETEEN 165W AND 170W.

$$

.FORECASTER MORRISON. HONOLULU HI.



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