High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 250325
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN FEB 25 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 0000 UTC FEB 25 2018.
24 HOUR FORECAST VALID 0000 UTC FEB 26 2018.
48 HOUR FORECAST VALID 0000 UTC FEB 27 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 06S168E 1008 MB NEARLY STATIONARY. TROUGH FROM 25S171W TO
13S180E TO LOW TO 07S160E MOVING WSW SLOWLY. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 360 NM N AND NE OF LOW AND TROUGH E OF 163E.
ISOLATED MODERATE TSTMS FROM 14S TO 17S BETWEEN 172E AND 176E...AND
WITHIN 75 NM OF POINTS 23S180E...AND 21S179W.
.24 HOUR FORECAST LOW 10S166E 1008 MB. TROUGH FROM 25S175W TO
20S180E TO LOW TO 10S160E.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 25S179W TO 14S172E TO
07S160E.

.WEAK FRONT FROM 25S132W TO 23S136W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 60 NM OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S131W TO 23S134W.
.48 HOUR FORECAST WEAK TROUGH FROM 25S136W TO 22S138W.

.TROUGH FROM 08S163W TO 14S155W TO 16S149W MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 240 NM OF TROUGH S OF 10S.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 20S164W TO 08S175W TO 03S175E TO 01S160E MOVING WSW
SLOWLY.

.RIDGE FROM 24S120W TO 23S125W MOVING S SLOWLY.

.ENTIRE FORECAST AREA...WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 03S TO 05S BETWEEN 171W AND 173W.

$$

.FORECASTER KINEL. HONOLULU HI.



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