908
FZPS40 PHFO 090919
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SUN MAR 09 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 09 2025.
24 HOUR FORECAST VALID 0600 UTC MAR 10 2025.
48 HOUR FORECAST VALID 0600 UTC MAR 11 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 20S174W 1008 MB NEARLY STATIONARY. TROUGH 25S171W TO LOW TO
14S177E 13S168E 10S162E MOVING SW SLOWLY E OF LOW...AND NE SLOWLY
ELSEWHERE. NUMEROUS STRONG TSTMS FROM 18S TO TROUGH BETWEEN 165E
AND 173E. SCATTERED MODERATE TSTMS WITHIN 90 NM OF TROUGH AND LOW
BETWEEN 175E AND 175W.
.24 HOUR FORECAST LOW 20S174W 1011 MB. TROUGH 25S172W TO LOW TO
12S172E 12S160E.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 25S170W TO LOW TO 14S180E
11S160E.
.FRONT 25S125W 23S132W MOVING NE 10 KT.
.24 HOUR FORECAST WEAK FRONT 22S120W 20S136W.
.48 HOUR FORECAST WEAK FRONT 20S120W 19S131W.
.TROUGH 18S167W 14S170W 12S175W 09S177W MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED DIRECTLY ABOVE.
.TROUGH 24S152W 19S147W 19S151W MOVING W SLOWLY. WIDELY ISOLATED
MODERATE TSTMS FROM 20S TO 10S BETWEEN 155W AND 145W.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 05S120W 06S131W 03S141W 04S150W MOVING S SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH 04S120W 06S130W 04S140W 05S150W.
.48 HOUR FORECAST TROUGH 02S120W 08S135W 03S144W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 21S E OF 135W.
.48 HOUR FORECAST SEAS DIMINISHED TO 8 FT OR LESS.
.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER ENTIRE FORECAST AREA.
.FORECASTER SHIGESATO. HONOLULU HI.
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