High Seas Forecast
Issued by NWS

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354
FZPS40 PHFO 272234
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC MON MAR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1800 UTC MAR 27 2017.
24 HOUR FORECAST VALID 1800 UTC MAR 28 2017.
48 HOUR FORECAST VALID 1800 UTC MAR 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 05S124W 1012 MB MOVING W SLOWLY. TROUGH FROM LOW TO 04S131W
TO 05S137W. ISOLATED MODERATE TSTMS WITHIN 240 NM SW OF LOW...FROM
08S TO 10S BETWEEN 126W AND 134W...AND FROM 01S TO 03S BETWEEN
131W AND 137W.
.24 HOUR FORECAST LOW 06S126W 1012 MB. TROUGH FROM LOW TO 06S140W
TO 08S152W.
.48 HOUR FORECAST LOW 07S131W 1012 MB. TROUGH FROM LOW TO 09S144W
TO 08S162W.

.TROUGH FROM 23S151W TO 12S167W TO 07S170E MOVING SW 10 KT.
ISOLATED MODERATE TSTMS WITHIN 360 NM NE OF TROUGH...AND BETWEEN
TROUGH AND 146W BETWEEN 10S AND 23S.
.24 HOUR FORECAST TROUGH FROM 21S164W TO 13S171W TO 12S177E TO
07S160E.
.48 HOUR FORECAST TROUGH FROM 16S172E TO 07S160E.

.FRONT FROM 25S175E TO 20S168E MOVING E 10 KT. SCATTERED MODERATE
TSTMS WITHIN 360 NM NE OF FRONT.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S177E TO 18S169E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S176W TO
16S166E.

.48 HOUR FORECAST FRONT S OF AREA. E TO SE WINDS 20 TO 25 KT FROM
158W AND 166W S OF 21S.

.RIDGE FROM 25S174W TO 20S178E NEARLY STATIONARY.

.RIDGE FROM 25S161E TO 22S161E TO 18S160E MOVING W SLOWLY.

.OTHERWISE WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 9 FT S OF 15S E OF 137W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE FROM 14S120W TO
20S150W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 16S E OF 133W...AND S OF
22S BETWEEN 157W AND 165W.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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