High Seas Forecast
Issued by NWS

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295
FZPS40 PHFO 041145
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC TUE NOV 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 04 2025.
24 HOUR FORECAST VALID 0600 UTC NOV 05 2025.
48 HOUR FORECAST VALID 0600 UTC NOV 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 18S177W 1010 MB MOVING S SLOWLY. TROUGH 23S173W 21S176W
TO LOW 16S178E 18S174E. SCATTERED MODERATE TSTMS WITHIN 270 NM E
OF LOW.
.24 HOUR FORECAST LOW 22S177W 1006 MB. TROUGH 24S170W 25S175W TO
LOW TO 19S178E 20S176E. WINDS 20 TO 30 KTS WITHIN 150 NM SW LOW
QUADRANT...AND S OF 23S BETWEEN 170W AND 172W.
.48 HOUR FORECAST LOW MOVED S OF AREA. WINDS 20 TO 25 KTS AND
SEAS 2.5 TO 3 M S OF 23S BETWEEN 170W AND 172W AND BETWEEN 174W
AND 175W.

.TROUGH 25S169E 20S170E 14S166E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 25S131W 23S136W MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH 25S133W 23S135W.
.48 HOUR FORECAST WEAKENED TROUGH MOVED S OF AREA.

.WINDS 20 KT OR LESS OVER ENTIRE OF FORECAST AREA.

.SEAS 2.5 TO 3.5 M S OF LINE 25S130W 14S164W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 15S W E OF 142W.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF A LINE 08S120W 25S150W.

.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TSTMS WITHIN 160 NM EITHER SIDE OF A LINE FROM
25S178W 19S176E...AND 13S175E 03S160E.


$$

.FORECASTER BLOOD. HONOLULU HI.