High Seas Forecast
Issued by NWS

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FZPS40 PHFO 242311 CCA
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 24 2024.
24 HOUR FORECAST VALID 1800 UTC MAR 25 2024.
48 HOUR FORECAST VALID 1800 UTC MAR 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 16S170E 1010 MB MOVING W 10 KT. SECOND LOW 20S177W
1011 MB MOVING SE SLOWLY. TROUGH 14S160E 13S164E TO FIRST LOW
TO SECOND LOW TO 25S170W. E TO SE WINDS 20 TO 25 KT WITHIN
180 NM S SEMI-CIRCLE OF BOTH LOWS. SCATTERED MODERATE TSTMS
WITHIN 330 NM OF SECOND LOW AND WITHIN 330 NM OF TROUGH S OF
175E.
.24 HOUR FORECAST FIRST LOW 14S168E 1011 MB. SECOND LOW 18S170W
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 12S164E 1011 MB. SECOND LOW 19S179W
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 13S166W 15S162W 14S164W 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 17S125W 17S120W MOVING N 10 KT AND DISSIPATING.
.24 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT N OF 05S BETWEEN 155W AND 165W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF 05S BETWEEN 155W AND
170W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 07S BETWEEN 165W AND
175W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 06S162W 02S140W 02S134W. SCATTERED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 300 NM OF ITCZ W OF 157W.

.ISOLATED MODERATE TSTMS N 10S BETWEEN 162W AND 170W...AND
WITHIN 180 NM OF POINT 12S146W.


$$

.FORECASTER PECHACEK. HONOLULU HI.


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