High Seas Forecast
Issued by NWS

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689
FZPN40 PHFO 231531
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUN 23 2017.
24 HOUR FORECAST VALID 1200 UTC JUN 24 2017.
48 HOUR FORECAST VALID 1200 UTC JUN 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N158W TO 28N161W TO 26N163W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH FROM 30N161W TO 27N162W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 04N174E TO 03N172E TO 00N172E MOVING NW 10 KT. ISOLATED
MODERATE TSTMS S OF 11N W OF 175E.
.24 HOUR FORECAST TROUGH FROM 05N170E TO 01N160E.
.48 HOUR FORECAST TROUGH FROM 07N166E TO 05N160E.

.RIDGE FROM 30N170E TO 28N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 9 FT NE OF A LINE FROM 30N143W TO
27N140W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS.

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

.ITCZ FROM 05N140W TO 05N143W TO 03N150W. ISOLATED MODERATE TSTMS
FROM 02N TO 08N E OF 150W.

.ISOLATED MODERATE TSTMS FROM 03N TO 11N BETWEEN 175E AND
170W...FROM 20N TO 23N BETWEEN 179E AND 179W...FROM 22N TO 25N
BETWEEN 170W AND 177W...FROM 03N TO 10N BETWEEN 170W AND 150W...AND
FROM 10N TO 13N BETWEEN 154W AND 150W.

$$

.HONOLULU HI.



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