675
FZPS40 PHFO 211530
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT SEP 21 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

SECURITE

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

SYNOPSIS VALID 1200 UTC SEP 21 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 22 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S129W 20S137W 17S143W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT 25S128W 20S137W 17S143W.
.48 HOUR FORECAST FRONT 25S126W 20S134W 17S143W.

.TROUGH 06S173E 10S175W 11S161W 13S153W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM N AND 120 NM S OF TROUGH.
.48 HOUR FORECAST TROUGH 06S170E 10S178W 09S168W.
.48 HOUR FORECAST TROUGH 08S168E 10S170W.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 TO 10 FT IN AREA 25S158W 20S173W 16S171W 18S159W 25S148W.
.24 HOUR FORECAST SEAS 8 TO 9 FT IN AREA 17S160W 21S144W 21S161W
18S163W 17S160W.
.48 HOUR FORECAST SEAS DECREASED TO 8 FT OR LESS ENTIRE FORECAST
AREA.

.SEAS 8 FT OR LESS REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS W OF 170E BETWEEN 03S AND 12S.

$$

.FORECASTER POWELL. HONOLULU HI.