FZPN40 PHFO 240320
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE MAR 24 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W

SYNOPSIS VALID 0000 UTC MAR 24 2026.
24 HOUR FORECAST VALID 0000 UTC MAR 25 2026.
48 HOUR FORECAST VALID 0000 UTC MAR 26 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N145W 23N152W THENCE TROUGH 19N155W 18N158W. COLD
FRONT AND TROUGH MOVING E 10 KT. SCATTERED MODERATE TSTMS FROM 18N
TO 22N BETWEEN 151W AND 155W.
.24 HOUR FORECAST COLD FRONT 30N140W 27N143W THENCE TROUGH
20N150W 12N148W. NE WINDS 20 TO 25 KT N OF LINE 30N140W 22N150W
22N157W.
.48 HOUR FORECAST FRONT MOVED NE OF AREA. TROUGH 27N142W 22N147W
14N149W. NE WINDS 20 TO 30 KT N OF LINE 28N140W 25N150W 24N152W
24N154W.

.TROUGH 25N147W 20N151W 18N154W 12N156W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH MENTIONED
ABOVE.

.24 HOUR FORECAST NEW FRONT 30N178W 29N180W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

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

.SEAS 2.5 TO 3 M FROM 15N TO 23N W OF 164W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N141W 22N151W
22N156W...AND FROM 11N TO 23N W OF 170W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 28N140W 21N150W
21N160W...AND FROM 11N TO 22N W OF 163W.

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

.ITCZ 05N140W 06N163W 08N180W. ISOLATED MODERATE TSTMS WITHIN 210
NM OF ITCZ.

$$

.FORECASTER ALMANZA. HONOLULU HI.