668
FZPS40 PHFO 191515
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI JUL 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 19 2024.
24 HOUR FORECAST VALID 1200 UTC JUL 20 2024.
48 HOUR FORECAST VALID 1200 UTC JUL 21 2024.

.WARNINGS.

...GALE WARNING...
.FRONT 25S179E 24S179E 16S171E 10S160E MOVING E 15 KT. WINDS 30 TO
35 KT S OF 23S BETWEEN 179E AND 176E. WINDS 20 TO 30 KT ELSEWHERE
S OF A LINE 18S177E 20S177W 25S173W...AND W OF FRONT. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF FRONT S OF 17S.
.24 HOUR FORECAST FRONT 25S172W 20S177W THENCE TROUGH TO 15S175E
08S160E. WINDS DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT BECAME TROUGH 25S169W 21S179E 07S160E.

...GALE WARNING...
.FRONT 25S137W 22S141W 19S150W 18S156W MOVING ENE 25 KT. WINDS 30
TO 35 KT S OF 23S BETWEEN 133W AND 137W. WINDS 20 TO 30 KT
ELSEWHERE S OF A LINE 25S126W 21S130W 18S140W 19S143W.
.24 HOUR FORECAST FRONT 25S130W 19S136W 14S145W. WINDS 20 TO 30
KT WITHIN 480 NM E OF FRONT S OF 20S...AND S OF A LINE 19S137W
14S146W 21S166W.
.48 HOUR FORECAST FRONT 25S120W 21S123W 15S135W. WINDS 20 TO 30
KT WITHIN 150 NM W OF FRONT.

.SYNOPSIS AND FORECAST.

.FRONT 22S140W 18S145W 16S150W NEARLY STATIONARY. SEE WINDS IN
SECOND GALE WARNING ABOVE.
.12 HOUR FORECAST FRONT MERGED WITH SECOND GALE WARNING ABOVE.
SEE WINDS IN SECOND GALE WARNING ABOVE.

.TROUGH 08S164E 03S160E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN FIRST
GALE WARNING ABOVE.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 13S TO 07S BETWEEN 166W
AND 178W.
.48 HOUR FORECAST WINDS 20 TO 25 KT BETWEEN TWO LINES 16S133W
01S176W AND 24S142W 12S175E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 15 FT S OF 21S BETWEEN 175E AND 170E. SEAS 12 TO 14 FT
S OF 23S BETWEEN 134W AND 138W. SEAS 8 TO 12 FT ELSEWHERE S OF
LINE 25S177W 18S172E 21S164E...AND S OF A LINE 25S124W 21S130W
18S142W 20S156W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S175W 19S178E
25S170E...AND S OF LINE 25S126W 19S135W 19S152W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 22S120W 17S127W
11S144W 11S150W. SEAS 8 TO 10 FT FROM 21S TO 13S BETWEEN 150W AND
160W. SEAS 8 TO 9 FT S OF 22S BETWEEN 168W AND 177W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS N OF 06S BETWEEN 177W AND 177E. ISOLATED
MODERATE TSTMS FROM 11S TO 14S BETWEEN 178E AND 176E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.