High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

000
FZPS40 PHFO 281529
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC THU MAR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2024.
24 HOUR FORECAST VALID 1200 UTC MAR 29 2024.
48 HOUR FORECAST VALID 1200 UTC MAR 30 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 17S169E 1010 MB MOVING SE SLOWLY. SECOND LOW 22S175W
MOVING NW SLOWLY. TROUGH FROM 10S160E TO FIRST LOW TO
SECOND LOW TO 25S170W. WINDS 20 TO 25 KT S OF FIRST LOW AND
TROUGH W OF 175E. SEE SEAS BELOW. SCATTERED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 510 NM N AND E OF TROUGH AND
LOWS.
.24 HOUR FORECAST LOW 17S173E 1009 MB. SECOND LOW 20S179W.
TROUGH FROM 09S160E TO FIRST LOW TO SECOND LOW TO 25S170W.
WINDS 20 TO 25 KT S OF FIRST LOW AND TROUGH W OF 175E.
SEE SEAS BELOW.
.48 HOUR FORECAST LOW 17S176E 1010 MB. SECOND LOW 17S178W
1010 MB. TROUGH FROM 10S160E TO FIRST LOW TO SECOND LOW TO
25S168W. WINDS 20 TO 25 KT S OF TROUGH AND FIRST LOW W OF
170E. SEE SEAS BELOW.

.TROUGH FROM 16S140W TO 25S125W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 13S135W TO 22S123W. WINDS 20
TO 25 KT S OF 20S W OF 140W.
.48 HOUR FORECAST TROUGH FROM 16S133W TO 23S120W. WINDS 20 TO
25 KT S OF 20S E OF 150W.

.TROUGH FROM 02S132W TO 02S140W NEARLY STATIONARY. SCATTERED
STRONG TSTMS WITHIN 180 NM OF TROUGH...AND N OF 05S BETWEEN 130W
AND 140W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.CONVERGENCE ZONE FROM 06S175W TO 07S165W TO 03S150W TO 02S145W
TO 03S135W TO 01S133W.
ISOLATED TSTMS WITHIN 120 NM OF CONVERGENCE ZONE E OF 160W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT S OF 22S E OF 180W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE FROM 25S140W TO
22S135W TO 25S125W.
.48 HOUR FORECAST SEAS 12 TO 18 FT S OF 22S BETWEEN 145W AND
122W. SEAS 8 TO 12 FT ELSEWHERE S OF 20S E OF 150W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 300 NM OF
POINT 18S168WE. SCATTERED MODERATE TSTMS WITHIN 150 NM OF LINE
FROM 10S176W TO 22S165W.



$$

.FORECASTER PECHACEK. HONOLULU HI.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.