915
FZPS40 PHFO 180328
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE JUN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18 2024.
24 HOUR FORECAST VALID 0000 UTC JUN 19 2024.
48 HOUR FORECAST VALID 0000 UTC JUN 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S139W TO 22S147W TO 17S153W MOVING E 30 KT ALONG
25S AND NE 15 KT ELSEWHERE. WINDS 20 TO 30 KT S OF 20S BETWEEN 135W
AND 154W. NUMEROUS STRONG TSTMS WITHIN 120 NM E OF FRONT S OF 20S.
.24 HOUR FORECAST FRONT FROM 25S131W TO 20S133W TO 10S146W THENCE
TROUGH TO 08S160W. WINDS 20 TO 30 KT S OF 20S BETWEEN 124W AND 149W.
.48 HOUR FORECAST FRONT FROM 25S127W TO 20S130W TO 13S137W THENCE
TROUGH TO 06S145W. WINDS 20 TO 30 KT S OF 21S E OF 142W.

.COLD FRONT FROM 25S179E TO 20S173E THENCE STATIONARY FRONT TO
16S168E TO 11S160E. COLD FRONT MOVING E 15 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM E OF FRONT S OF 23S.
.24 HOUR FORECAST FRONT FROM 25S174W TO 19S176E TO 13S168E THENCE
TROUGH TO 07S160E.
.48 HOUR FORECAST FRONT FROM 25S167W TO 22S179W TO 17S175E
THENCE TROUGH TO 13S168E TO 04S160E. SE WINDS 20 TO 25 KT
FROM 07S TO 13S W OF 166E.

.TROUGH FROM 25S133W TO 20S139W TO 15S142W NEARLY STATIONARY.
NUMEROUS STRONG TSTMS WITHIN 150 NM OF TROUGH S OF 18S.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 03S173W TO 06S172W TO 09S167W MOVING W 10 KT.
SCATTERED MODERATE TSTMS FROM 06S TO 10S BETWEEN 167W AND 174W.
.24 HOUR FORECAST TROUGH FROM 04S178E TO 10S175W.
.48 HOUR FORECAST TROUGH FROM 04S171E TO 11S179E.

.TROUGH FROM 04S173E TO 07S174E TO 10S178E MOVING W 10 KT.
SCATTERED MODERATE TSTMS FROM 03S TO 10S BETWEEN 179E AND 172E.
.24 HOUR FORECAST TROUGH FROM 03S165E TO 10S173E.
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN 2ND
PARAGRAPH ABOVE.

.SEAS 12 TO 14 FT S OF 23S BETWEEN 130W AND 152W. SEAS 8 TO
12 FT ELSEWHERE S OF A LINE FROM 03S120W TO 10S131W TO
17S133W TO 19S142W TO 21S160W. ALSO SEAS 8 TO 11 FT S OF A
LINE FROM 20S160E TO 22S166E TO 23S171E. ALSO SEAS 8 TO 10 FT
FROM 11S TO 20S BETWEEN 161W AND 174W.
.24 HOUR FORECAST SEAS 14 TO 20 FT S OF 22S BETWEEN 136W AND
146W. SEAS 12 TO 14 FT ELSEWHERE S OF A LINE FROM 18S120W TO
20S150W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 08S120W
TO 08S133W TO 15S140W TO 15S160W. ALSO SEAS 8 TO 9 FT S OF
22S W OF 168E.
.48 HOUR FORECAST SEAS 12 TO 15 FT S OF 20S BETWEEN 123W AND
146W. ALSO SEAS 8 TO 12 FT S OF A LINE FROM 01S120W TO 07S135W
TO 13S157W.

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

.ISOLATED MODERATE TSTMS FROM 07S TO 09S BETWEEN 126W AND 129W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.