High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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 240341
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 24 2024.
24 HOUR FORECAST VALID 0000 UTC MAR 25 2024.
48 HOUR FORECAST VALID 0000 UTC MAR 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 17S172E 1010 MB MOVING ENE SLOWLY. TROUGHS FROM LOW TO
18S176E TO 20S177W TO 23S172W TO 25S166W AND FROM LOW TO 17S160E.
SECONDARY LOW ALONG TROUGH NEAR 20S177W 1011 MB. WINDS E TO SE 20
TO 25 KT AND SEAS 8 TO 9 FT WITHIN 240 NM S OF TROUGH AXIS W OF
172W. SCATTERED MODERATE TSTMS WITHIN 270 NM EITHER SIDE OF TROUGH
AXIS E OF 176E.
.24 HOUR FORECAST PRIMARY LOW NEAR 15S171E 1010 MB. SECONDARY LOW
DISSIPATED. TROUGHS FROM PRIMARY LOW TO 18S176E TO 20S177W TO
23S172W TO 25S166W AND FROM LOW TO 14S160E. WINDS E TO SE 20 TO 25 KT
AND SEAS 8 TO 9 FT WITHIN 240 NM S OF TROUGH AXIS W OF 172W.
.48 HOUR FORECAST REMAINING LOW NEAR 15S177E 1010 MB. TROUGHS
FROM LOW TO 18S176E TO 20S177W TO 25S172W AND FROM LOW TO 12S160E.
WINDS E TO SE 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 240 NM S OF
TROUGH AXIS W OF 172W.

.COLD FRONT FROM 23S120W TO 23S129W MOVING NNE 15 KT.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 20S120W TO 20S127W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.COLD FRONT FROM 25S148W TO 23S153W TO 23S159W MOVING ENE 10 KT.
.24 HOUR FORECAST FRONT FROM 25S148W TO 23S151W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 25S130W TO 23S140W.

.TROUGH FROM 14S161W TO 15S151W TO 19S142W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.48 HOUR FORECAST NEW TROUGH FROM 17S171W TO 19S161W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 02S130W TO 01S140W TO 06S160W TO 04S173W.
ISOLATED MODERATE TSTMS FROM 00S TO 08S BETWEEN 173W AND 135W.

.OTHERWISE SCATTERED MODERATE TSTMS WITHIN AN AREA BOUND BY
08S155W 08S140W 18S142W 18S157W 08S155W. ALSO ISOLATED MODERATE TO
STRONG TSTMS FROM 00S TO 08S BETWEEN 162E AND 179E.

$$

.FORECASTER BEDAL. HONOLULU HI.


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