The High Seas Forecast for the South Pacific

High Seas Forecast Issued: 07/12/2025 01:05:56 PM UTC
                        
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FZPS40 PHFO 120305
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT JUL 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 12 2025.
24 HOUR FORECAST VALID 0000 UTC JUL 13 2025.
48 HOUR FORECAST VALID 0000 UTC JUL 14 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S151W 20S156W THENCE TROUGH 14S170W. FRONT MOVING E 10 KT
AND TROUGH NEARLY STATIONARY. WINDS 20 TO 25 KT BETWEEN FRONT AND
150W S OF 23S. ISOLATED MODERATE TSTMS WITHIN 90 NM E OF FRONT...
AND WITHIN 90 NM OF POINT 18S154W.
.24 HOUR FORECAST FRONT 25S145W 19S151W THENCE TROUGH 15S158W.
WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 25S140W 21S145W THENCE TROUGH 18S148W.

.FRONT 25S174E 23S168E 19S160E MOVING ENE SLOWLY.
.24 HOUR FORECAST FRONT 25S175E 21S170E 16S160E. WINDS 20 TO 25 KT
S OF LINE 25S171E 20S170E 16S160E.
.48 HOUR FORECAST FRONT 25S176W 18S180E 12S170E 08S160E. WINDS 20
TO 30 KT S OF LINE 25S168W 20S178W 25S175E. WINDS 20 TO 25 KT
BETWEEN FRONT AND 17S W OF 170E.

.E TO SE WINDS 20 TO 25 KT N OF 10S BETWEEN 140W AND 176E
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT N OF 13S E OF 170W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT N OF 12S E OF 170W.

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

.SEAS 2.5 TO 3.5 M S OF 10S E OF 135W. SEAS 2.5 TO 3 M N OF 08S
BETWEEN 135W AND 180E...S OF 19S BETWEEN 135W AND 155W...AND S OF
24S W OF 167E.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M E OF 135W. SEAS 2.5 TO 3 M N
OF 13S BETWEEN 135W AND 170W...AND S OF LINE 25S180E 20S170E
19S160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S170W 18S175E
13S160E. SEAS 2.5 TO 3 M E OF 133W...AND N OF LINE 05S133W 06S150W
18S173W.

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

.SCATTERED MODERATE TSTMS IN AREAS BOUNDED BY 01S172E 05S178W
11S168E 09S160E 03S160E 01S172E. ISOLATED MODERATE TSTMS FROM 11S
TO 13S BETWEEN 176W AND 180E.

$$

.FORECASTER WROE. HONOLULU HI.