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
962
FZPN40 PHFO 051524
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN OCT 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC OCT 05 2025.
24 HOUR FORECAST VALID 1200 UTC OCT 06 2025.
48 HOUR FORECAST VALID 1200 UTC OCT 07 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N154W 28N155W 27N156W 26N160W NEARLY STATIONARY. SEAS
2.5 TO 3 M N OF LINE 30N148W 26N150W 22N157W 22N163W.
.24 HOUR FORECAST TROUGH 30N159W 27N156W 25N154W. SEAS 2.5 TO 3 M
N OF 27N BETWEEN 154W AND 160W.
.48 HOUR FORECAST WEAK TROUGH 23N158W 20N158W. SEAS SUBSIDED TO
2.5 M OR LESS.

.TROUGH 26N141W 17N144W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 26N145W 17N149W.
.48 HOUR FORECAST TROUGH 27N145W 25N148W 18N151W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

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

.ITCZ 09N140W 09N163W 11N171W 06N171E 06N160E. SCATTERED MODERATE
TSTMS WITHIN 180 NM OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 13N TO 21N W OF 168E. ISOLATED
MODERATE TSTMS FROM 22N TO 26N BETWEEN 177E AND 167E.


$$

.FORECASTER ALMANZA. HONOLULU HI.