High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 211045
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 21 2017.
24 HOUR FORECAST VALID 0600 UTC AUG 22 2017.
48 HOUR FORECAST VALID 0600 UTC AUG 23 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 08N160E TO 07N167E TO 08N179E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS S OF 10N E OF 177W.
.24 HOUR FORECAST TROUGH FROM 08N160E TO 06N170E TO 10N174E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N174E TO 28N166E TO 27N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 20N TO 29N E OF 144W. SEAS 8
FT OR LOWER REST OF AREA.

.ITCZ FROM 12N140W TO 10N156W TO 11N170W. ISOLATED MODERATE TO
STRONG TSTMS FROM 08N TO 13N BETWEEN 163W AND 166W...AND ELSEWHERE
WITHIN 90 NM OF ITCZ.

.ISOLATED MODERATE TSTMS N OF 25N W OF 173E...FROM 10N TO 16N
BETWEEN 170E AND 180E...S OF 02N BETWEEN 168E AND 170E...FROM 16N TO
29N BETWEEN 152W AND 161W...AND FROM 12N TO 18N BETWEEN 142W AND
151W.

$$

.HONOLULU HI.



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