High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 162252
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT MAR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC MAR 16 2024.
24 HOUR FORECAST VALID 1800 UTC MAR 17 2024.
48 HOUR FORECAST VALID 1800 UTC MAR 18 2024.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 20S180E 1001 MB MOVING E SLOWLY. TROUGH FROM 25S175W
TO LOW TO 16S173E TO 17S160E. NW WINDS 30 TO 35 KT WITHIN 210
NM NE SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE S OF A
LINE FROM 22S166W TO 14S175E TO 19S160E. SCATTERED MODERATE
TSTMS WITHIN 390 NM NE OF LOW AND TROUGH.
.24 HOUR FORECAST LOW NEAR 21S176W 1001 MB. TROUGH FROM 25S172W
TO LOW TO 16S176E TO 16S160E. N WINDS 30 TO 35 KT WITHIN 180 NM
NE SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE S OF A LINE
FROM 22S163W TO 15S179E TO 23S172E TO 17S160E.
.48 HOUR FORECAST LOW NEAR 24S170W. NEW SECOND LOW NEAR 16S174E
1007 MB. TROUGH FROM 25S169W TO FIRST LOW TO 18S175W TO SECOND
LOW TO 16S160E. WINDS 20 TO 30 KT S OF 20S BETWEEN 166W AND 174W.
E WINDS 20 TO 25 KT S OF 20S W OF 172E.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 25S151W TO 17S155W MOVING E 10 KT. ISOLATED
MODERATE TSTMS S OF 22S BETWEEN 139W AND 146W.
.24 HOUR FORECAST TROUGH FROM 25S137W TO 22SS142W TO 22S153W TO
17S153W.
.48 HOUR FORECAST TROUGH FROM 25S135W TO 22S132W TO 15S143W.

.OTHERWISE...WINDS 20 KT OR BELOW OVER REMINDER OF FORECAST AREA.

.SEAS 8 TO 11 FT S OF A LINE FROM 25S170E TO 21S160E. SEAS 8 TO
11 FT FROM 21S TO 18S BETWEEN 175W AND 180E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE FROM 25S166W TO
16S174W TO 21S178W TO 22S164E TO 18S160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF 20S W OF 166W.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 09S TO 02S BETWEEN 144W AND 167W.

$$

.FORECASTER FOSTER. HONOLULU HI.


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