269
FZPS40 PHFO 181039
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUN 18 2024.
24 HOUR FORECAST VALID 0600 UTC JUN 19 2024.
48 HOUR FORECAST VALID 0600 UTC JUN 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 25S138W 20S142W 17S148W 16S152W MOVING E 25 KT ALONG
25S AND NE 10 KT ELSEWHERE. WINDS 20 TO 30 KT S OF 20S BETWEEN 130W
AND 152W. NUMEROUS STRONG TSTMS S OF 17S BETWEEN 130W AND FRONT.
ISOLATED MODERATE TSTMS S OF 23S BETWEEN FRONT AND 145W.
.24 HOUR FORECAST FRONT 25S131W 17S137W 12S142W. WINDS 20 TO 30
KT S OF 20S BETWEEN 124W AND 143W.
.48 HOUR FORECAST FRONT 25S126W 20S130W THENCE TROUGH 08S138W.
WINDS 20 TO 30 KT S OF 21S E OF 137W.

.TROUGH 04S143W 10S127W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 03S145W 10S135W.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED DIRECTLY
ABOVE.

.FRONT 25S179E 17S170E 11S160E. FRONT MOVING E 10 KT E OF 172E
AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 25S174W 20S179E 13S168E THENCE TROUGH TO
03S164E.
.48 HOUR FORECAST FRONT 25S167W 20S170W THENCE TROUGH 08S175E
05S162E. SE WINDS 20 TO 25 KT FROM 07S TO 13S W OF 166E.

.FRONT NEAR 30S160E MOVING NE 10 KT.
.24 HOUR FORECAST FRONT 25S170E 21S165E 20S160E.
.48 HOUR FORECAST FRONT MERGED WITH FRONT DESCRIBED IN 3RD
PARAGRAPH.

.TROUGH 04S174W 07S172W 08S168W MOVING W 15 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 05S179E TO 11S175W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 04S172E 08S174E 10S177E MOVING W 15 KT. SCATTERED
MODERATE TSTMS FROM 03S TO 12S BETWEEN 179E AND 170E.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN 3RD
PARAGRAPH ABOVE.

.SEAS 12 TO 15 FT S OF 21S BETWEEN 121W AND 153W. SEAS 8 TO 12 FT
ELSEWHERE S OF A LINE 03S120W 07S131W 16S135W 20S160W 25S162W.
SEAS 8 TO 10 FT S OF 20S W OF 170E.
.24 HOUR FORECAST SEAS 12 TO 18 FT S OF 19S BETWEEN 133W AND
148W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE 04S120W 06S130W
14S140W 13S160W. SEAS 8 TO 9 FT S OF 22S W OF 166E.
.48 HOUR FORECAST SEAS 12 TO 15 FT S OF 21S BETWEEN 129W AND
142W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE 01S120W 05S130W
13S140W 17S152W.

.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 ALMANZA. HONOLULU HI.