High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 220309
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC FRI MAR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP
FOR A PROPOSAL...AND A REQUEST FOR COMMENTS...TO INCREASE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).

SECURITE

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

SYNOPSIS VALID 0000 UTC MAR 22 2024.
24 HOUR FORECAST VALID 0000 UTC MAR 23 2024.
48 HOUR FORECAST VALID 0000 UTC MAR 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 18S178E 1008 MB. SECOND LOW 21S175W 1008 MB. TROUGH FROM
15S160E TO 17S166E TO FIRST LOW TO SECOND LOW TO 20S172W. LOWS AND
TROUGHS MOVING SE 10 KT. WINDS 20 TO 25 KT WITHIN 90 NM OF LOWS
AND SE WINDS 20 TO 25 KT S OF TROUGH. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 270 NM OF BOTH LOWS. ISOLATED MODERATE TSTMS WITHIN
300 NM ELSEWHERE EITHER SIDE OF TROUGH.
.24 HOUR FORECAST FIRST LOW 19S179W 1009 MB. SECOND LOW 23S169W
1010 MB. TROUGH 16S160E TO FIRST LOW TO SECOND LOW TO 23S165W. SE
WINDS 20 TO 25 KT S OF TROUGH W OF 168E.
.48 HOUR FORECAST FIRST LOW 23S173W 1009 MB. SECOND LOW DISSIPATED.
TROUGH 15S160E 15S176E TO LOW TO 23S170W. SE WINDS 20 TO 25
KT WITHIN 90 NM S OF LOW.

.LOW 24S139W 1010 MB. TROUGH 20S144W TO LOW TO 25S138W. LOW AND
TROUGH NEARLY STATIONARY. MODERATE ISOLATED TSTMS WITHIN 210 NM
N OF LOW AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 25S140W 21S146W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 14S156W 15S145W 17S142W.
.48 HOUR FORECAST TROUGH 16S162W 16S153W 17S148W.

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

.SEAS 8 TO 10 FT S OF 19S BETWEEN 165W AND 167E.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 20S BETWEEN 172W AND 175E.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

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

.SCATTERED MODERATE TSTMS FROM 15S TO 06S BETWEEN 130W AND
138W.


$$

.FORECASTER THOMAS. HONOLULU HI.


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