High Seas Forecast
Issued by NWS

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489
FZPS40 PHFO 231000
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SUN JUN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2024.
24 HOUR FORECAST VALID 0600 UTC JUN 24 2024.
48 HOUR FORECAST VALID 0600 UTC JUN 25 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 08S164E 1008 MB MOVING W SLOWLY. TROUGH 08S173E 07S170E
09S167E LOW 07S163E MOVING W SLOWLY. SCATTERED MODERATE TSTMS
FROM 02S TO 14S W OF 174E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 07S160E 16S167E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 25S142W 18S150W MOVING E 10 KT. NW TO N WINDS 20 TO 30 KT
WITHIN 420 NM E OF FRONT S OF 22S. NW WINDS 20 TO 25 KT WITHIN 180
NM E OF FRONT N OF 22S. WINDS 20 TO 30 KT BETWEEN FRONT AND 168W S
OF 19S. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 150 NM E OF FRONT.
.24 HOUR FORECAST FRONT 25S137W 20S143W THENCE TROUGH 15S150W
10S164W 04S172W. NW WINDS 20 TO 25 KT WITHIN 240 NM E OF FRONT S
OF 23S.
.48 HOUR FORECAST FRONT 25S135W 21S140W THENCE TROUGH 15S150W
08S170W 07S180W 10S170E 07S160E.

.TROUGH 17S149W 12S156W 05S164W 04S170W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH MENTIONED
DIRECTLY ABOVE.

.TROUGH 10S176W 05S174E 05S170E NEARLY STATIONARY. SCATTERED
MODERATE TSTMS N OF 11S BETWEEN 174E AND 173W.
.24 HOUR FORECAST TROUGH 09S173W 11S180W 11S173E.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH MENTIONED
IN SECOND PARAGRAPH ABOVE.

.SE WINDS 20 TO 25 KT FROM 10S TO 17S BETWEEN 180W AND 165W.
.24 HOUR FORECAST SE WINDS 20 TO 25 KT IN AREA BOUNDED BY 20S170W
12S178E 08S170W 11S157W 14S154W 20S170W.
.48 HOUR FORECAST SE WINDS 20 TO 25 KT IN AREA BOUNDED BY 20S160E
10S160E 04S176E 08S163W 17S144W 17S170W 15S180W 20S165E 20S160E.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 12 TO 17 FT S OF LINE 25S173W 21S173W 19S170W 18S165W
20S154W 24S147W 23S144W 25S140W. SEAS 8 TO 12 FT ELSEWHERE S OF
LINE 25S178E 11S170W 25S133W. SEAS 8 TO 10 FT FROM 08S TO 12S E
OF 131W.
.24 HOUR FORECAST SEAS 12 TO 14 FT S OF LINE 25S163W 21S160W
21S150W 25S138W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S180W
10S180W 07S168W 10S157W 25S131W. SEAS 8 TO 10 FT FROM 08S TO 16S E
OF 126W.
.48 HOUR FORECAST SEAS 8 TO 12 FT IN AREA BOUNDED BY 25S170W
14S180W 13S165E 09S165E 03S165W 25S130W 25S170W. SEAS 8 TO 10 FT
FROM 07S TO 18S E OF 129W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS N OF 11S BETWEEN 173W AND 170W.

$$

.FORECASTER JELSEMA. HONOLULU HI.