565
FZPS40 PHFO 080328
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC WED OCT 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 08 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 09 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 10 2025.

.WARNINGS.

...GALE WARNING...
.FRONT 25S120W 23S126W 21S143W 21S140W MOVING NE 10 KT. WINDS 20
TO 25 KT S OF A LINE 25S149W 15S148W 17S139W 20S137W 25S124W.
.24 HOUR FORECAST FRONT 23S120W 19S122W 18S128W THENCE TROUGH
17S135W. WINDS 30 TO 35 KT S OF 23S E OF 124W. WINDS 20 TO 30 KT
ELSEWHERE S OF 15S E OF 149W.
.48 HOUR FORECAST FRONT 16S120W 15S126W THENCE TROUGH 13S139W.
WINDS 30 TO 35 KT S OF 23S E OF 122W. WINDS 20 TO 30 KT ELSEWHERE
S OF 21S E OF 127W.

.SYNOPSIS AND FORECAST.

.TROUGH 23S121W 19S123W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED IN WARNINGS
SECTION.

.FRONT 25S162W 21S163W 19S166W THENCE TROUGH 08S177E 04S172E.
FRONT MOVING SE 10 KT. TROUGH MOVING E SLOWLY S OF 10S AND MOVING
W 10 KT OF 10S. WINDS 20 TO 25 KT S OF 23S WITHIN 90 NM OF FRONT.
NUMEROUS MODERATE TO STRONG TSTMS WITHIN 270 NM OF TROUGH N OF
15S. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT 25S158W 22S160W THENCE TROUGH 18S163W
14S167W 09S172E 03S166E. WINDS 20 TO 25 KT FROM 21S TO 09S BETWEEN
163E AND 166W.
.48 HOUR FORECAST FRONT 25S152W 23S154W THENCE TROUGH 20S158W
14S174W 09S179E 07S167E 03S160E.

.TROUGH 15S161W 10S165W 05S167W MOVING SW 10 KT. ISOLATED
MODERATE TSTMS FROM 17S TO 10S BETWEEN 164W AND 155W.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED
IMMEDIATELY ABOVE.

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

.SEAS 2.5 TO 4 M S OF A LINE 25S170W 22S176W 20S171E 11S170E
09S174E 19S167W 24S164W 16S163W 10S144W 01S120W.
.24 HOUR FORECAST SEAS 4 TO 5 M S OF 19S E OF 135W. SEAS 2.5 TO 4
M ELSEWHERE S OF A LINE 25S164W 10S158W 11S132W 01S122W 02S120W.
SEAS 2.5 TO 3 M S OF 09S BETWEEN 165E AND 177W.
.48 HOUR FORECAST SEAS 4 TO 5 M S OF 20S E OF 124W. SEAS 2.5 TO 4
M ELSEWHERE S OF A LINE 25S144W 16S165W 10S167W 07S146W 11S127W
02S120W. SEAS 2.5 TO 3 M S OF A LINE 25S163E 11S176W 07S160E.

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

$$

.FORECASTER TROTTER. HONOLULU HI.