585
FZPS40 PHFO 200311
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU JUN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
JULY 29 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 0000 UTC JUN 20 2024.
24 HOUR FORECAST VALID 0000 UTC JUN 21 2024.
48 HOUR FORECAST VALID 0000 UTC JUN 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S126W 18S130W 12S137W THENCE TROUGH 06S144W 03S144W
MOVING E 10 KT. WINDS 20 TO 30 KT S OF A LINE 23S120W 18S130W
23S142W. NUMEROUS STRONG TSTMS WITHIN 180 NM E OF FRONT S OF 17S.
.24 HOUR FORECAST FRONT 25S120W 16S130W THENCE TROUGH 14S132W.
WINDS 20 TO 30 KT S OF 22S E OF 130W.
.48 HOUR FORECAST FRONT 22S120W 17S126W THENCE TROUGH 15S135W.
WINDS DIMINISHED TO 20 KT OR LESS.

.FRONT 25S170W 20S178E 09S160E MOVING E 15 KT S OF 20S AND NEARLY
STATIONARY ELSEWHERE. SE WINDS 20 TO 25 KT FROM 14S TO 07S W OF
167E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF FRONT S OF 22S.
.24 HOUR FORECAST FRONT 25S162W 18S173W THENCE TROUGH 15S165E
10S160E. WINDS 20 TO 25 KT S OF 23S BETWEEN 172W AND 157W... AND
FROM 18S TO TROUGH W OF 177E.
.48 HOUR FORECAST FRONT 25S153W 17S170W THENCE TROUGH 17S176E
12S160E. WINDS 20 TO 30 KT S OF A LINE 25S145W 20S155W 20S160W
23S177W. WINDS 20 TO 25 KT FROM 18S TO 11S W OF 178W.

.TROUGH 08S169E 07S164E 03S160E MOVING W SLOWLY. SCATTERED MODERATE
TO STRONG TSTMS FROM 12S TO 04S W OF 174E. ISOLATED MODERATE
TSTMS ELSEWHERE N OF 11S W OF 174E.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED DIRECTLY
ABOVE.

.SEAS 12 TO 13 FT S OF 22S BETWEEN 144W AND 131W. SEAS 8 TO 12 FT
ELSEWHERE S OF 17S BETWEEN 151W AND 126W. SEAS 8 TO 10 FT S OF
08S E OF 126W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF A LINE 23S120W 20S130W
21S136W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 25S148W 20S160W
22S178W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

$$

.FORECASTER SHIGESATO. HONOLULU HI.