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 30
084
FZPS40 PHFO 070300
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN DEC 07 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC DEC 07 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 08 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 09 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S144W 22S145W 15S155W NEARLY STATIONARY.
.24 HOUR FORECAST ROUGH 25S140W 20S150W 15S155W.
.48 HOUR FORECAST TROUGH 25S140W 20S144W.

.LOW 17S176W 1005 MB MOVING SE 20 KT. TROUGH FROM LOW TO
22S177W AND FROM LOW TO 13S172E 13S165E NEARLY STATIONARY.
.24 HOUR FORECAST LOW 25S178W 1000 MB. TROUGH FROM LOW TO
25S179E 15S176E.
.48 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S180W 20S178E.

.LOW 09S175E 1006 MB MOVING NW 15 KT. TROUGH FROM LOW TO 10S170W
AND FROM LOW TO 06S170E 05S160E NEARLY STATIONARY.
.24 HOUR FORECAST LOW 06S171E 1005 MB. TROUGH FROM LOW TO
11S176E AND FROM LOW TO 04S160E.
.48 HOUR FORECAST LOW WEAKENS TO TROUGH 12S176E 05S170E
04S160E.

.48 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S180W 15S177W.

.WINDS 20 TO 30 KT S OF 20S BETWEEN 175W AND 170E.
.24 HOUR FORECAST WINDS 20 TO 30 KT S OF 22S BETWEEN 170W AND
173E.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 22S BETWEEN 170W AND
178W.

.WINDS 20 KT OR LESS OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 4 M S OF 20S BETWEEN 140W AND 170E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 18S BETWEEN 155W AND 170E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 22S BETWEEN 165W AND 175E.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TSTMS FROM 12S TO 05S BETWEEN 175W AND
170E...AND FROM 25S TO 15S BETWEEN 175W AND 173E.

$$

.FORECASTER PECHACEK. HONOLULU HI.