199
FZPS40 PHFO 202247
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 20 2024.
24 HOUR FORECAST VALID 1800 UTC JUL 21 2024.
48 HOUR FORECAST VALID 1800 UTC JUL 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S129W TO 21S134W TO 17S140W TO 13S145W TO
10S153W. FRONT MOVING E 20 KT S OF 17S AND NE 10 KT N OF 17S.
WINDS NE TO NW 20 TO 30 KT S OF 21S WITHIN 360 NM E OF FRONT.
WINDS SW TO E 20 TO 30 KT OVER FORECAST WATERS S OF FRONT.
ASSOCIATED SEAS INCLUDED BELOW.
.24 HOUR FORECAST FRONT FROM 25S120W TO 19S126W TO 14S135W TO
11S144W TO 08S152W. FRONT DISSIPATING W OF 135W. ASSOCIATED WINDS
INCLUDED BELOW.
.48 HOUR FORECAST DISSIPATING FRONT FROM 21S120W TO 18S127W. NEW
TROUGH FROM 08S160W TO 10S148W TO 14S138W TO 18S127W.

.COLD FRONT FROM 25S172W TO 22S177W TO 19S178E MOVING SE 10 KT
THENCE A STATIONARY FRONT TO 17S171E. ASSOCIATED TROUGH FROM
11S160E TO 15S165E TO 17S171E.
.24 HOUR FORECAST DISSIPATING FRONT FROM 25S169W TO 24S176W TO
21S177E. TROUGH FROM 09S160E TO 15S169E TO 21S177E. WINDS E TO SE
20 TO 25 KT WITHIN 180 NM S OF TROUGH AXIS S OF 177E.
.48 HOUR FORECAST TROUGH FROM 09S160E TO 15S169E. ASSOCIATED
WINDS INCLUDED BELOW.

.48 HOUR FORECAST NEW COLD FRONT NEAR 25S177W.

.OTHERWISE WINDS SE TO E 20 TO 25 KT WITHIN AN AREA BOUND BY
05S175E 05S160W 10S153W 25S153W 25S160W 18S170W 13S175E 05S175E.
.24 HOUR FORECAST WINDS SE TO E 20 TO 30 KT WITHIN AN AREA BOUND
BY 02S179W 08S165W 08S152W 11S144W 14S135W 19S126W 23S140W 21S160W
16S179W 12S170E 08S170E 02S179W.
.48 HOUR FORECAST WINDS SE TO NE 20 TO 30 KT WITHIN AN AREA BOUND
BY 04S175E 04S175W 08S160W 10S148W 14S138W 18S127W 23S140W
21S160W 17S175W 20S170E 20S160E 08S160E 04S175E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 14 FT WITHIN AN AREA WITHIN AN AREA BOUND BY 08S120W
25S120W 25S155W 22S160W 13S160W 15S140W 18S130W 08S120W. ALSO SEAS
8 TO 10 FT FROM 21S BETWEEN 173E AND 173W.
.24 HOUR FORECAST SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 05S120W
25S120W 25S175W 10S175W 10S150W 12S130W 05S120W.
.48 HOUR FORECAST SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 08S172W
10S150W 15S135W 15S120W 25S120W 25S155W 18S172W 08S172W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 00S TO 06S BETWEEN 165E AND 179W.

$$

.FORECASTER BEDAL. HONOLULU HI.