849
FZPN40 PHFO 150308
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED JUL 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 15 2026.
24 HOUR FORECAST VALID 0000 UTC JUL 16 2026.
48 HOUR FORECAST VALID 0000 UTC JUL 17 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 10N166W 1010 MB. MONSOON TROUGH 08N180W 10N170W TO LOW TO
12N160W. LOW AND TROUGH MOVING NE 10 KT.
.24 HOUR FORECAST LOW 11N163W 1006 MB. MONSOON TROUGH 10N180W
TO LOW TO 10N160W. WINDS 20 TO 30 KT WITHIN 120 NM OF S
SEMICIRCLE.
.48 HOUR FORECAST LOW 12N163W 1006 MB. MONSOON TROUGH 11N180W
11N170W TO LOW TO 10N160W. WINDS 20 TO 30 KT WITHIN 120 NM
OF S SEMICIRCLE.

.LOW 09N153W 1007 MB. MONSOON TROUGH 12N160W TO LOW TO 10N145W
12N140W. LOW AND TROUGH MOVING E 5 KT.
.24 HOUR FORECAST LOW 09N153W 1007 MB. MONSOON TROUGH 10N160W
TO LOW TO 10N147W 12N140W. WINDS 20 TO 25 KT WITHIN 120 NM
OF N AND E SEMICIRCLE.
.48 HOUR FORECAST LOW 09N150W 1008 MB. MONSOON TROUGH 10N160W
TO LOW TO 10N145W 10N140W. WINDS 20 TO 25 KT WITHIN 120 NM
OF N SEMICIRCLE.

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

.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 07N TO 11N BETWEEN
165W AND 160W.
.48 HOUR FORECAST SEAS SUBSIDING TO 2.5 M OR LESS.

.SEAS 2.5 M OR LOWER OVER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03N TO 10N BETWEEN 175W AND
163W...AND FROM 05N TO 10N BETWEEN 157W AND 150W.

$$

.FORECASTER PECHACEK. HONOLULU HI.