High Seas Forecast
Issued by NWS

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FZPS40 PHFO 241522
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN MAR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 24 2024.
24 HOUR FORECAST VALID 1200 UTC MAR 25 2024.
48 HOUR FORECAST VALID 1200 UTC MAR 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 16S170E 1010 MB NEARLY STATIONARY. SECOND LOW 21S177W
1010 MB MOVING SE SLOWLY. TROUGH 14S160E 14S164E TO FIRST LOW
TO SECOND LOW TO 23S174W. E TO SE WINDS 20 TO 25 KT WITHIN 90 NM
S SEMI-CIRCLE OF BOTH LOWS. ISOLATED MODERATE TSTMS WITHIN 210 NM
OF LOWS AND TROUGH.
.24 HOUR FORECAST FIRST LOW 15S170E 1011 MB. SECOND LOW 20S178W
1011 MB. TROUGH 12S160E 12S165E TO FIRST LOW TO SECOND LOW TO
25S172W. SE WINDS 20 TO 25 KT S OF LOWS AND TROUGH.
.48 HOUR FORECAST FIRST LOW 14S165E 1011 MB. SECOND LOW 19S178W
1012 MB. TROUGH 09S160E TO FIRST LOW TO SECOND LOW TO 25S173W.
E TO SE WINDS 20 TO 25 KT S OF TROUGH AND LOWS E OF 169E.

.TROUGH 13S164W 15S162W 16S153W MOVING SW 15 KT. ISOLATED
MODERATE TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 15S170W 19S164W.
.48 HOUR FORECAST TROUGH 17S173W 21S163W.

.FRONT 21S127W 22S120W MOVING N 10 KT AND DISSIPATING.
.24 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT FROM 21S TO 18S BETWEEN 177E AND 170E.
.24 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 21S BETWEEN
174W AND 173E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS N OF 09S W OF 145W.

$$

.FORECASTER THOMAS. HONOLULU HI.


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