179
FZPN40 PHFO 202153
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON JUL 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 20 2026.
24 HOUR FORECAST VALID 1800 UTC JUL 21 2026.
48 HOUR FORECAST VALID 1800 UTC JUL 22 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.E WINDS 20 TO 25 KT FROM 16N TO 10N BETWEEN 156W AND 163W.
E WINDS 20 TO 25 KT FROM 16N TO 13N W OF 177W.
.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FORM 14N TO 11N BETWEEN
154W AND 160W.

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

.SEAS 2.5 TO 3 M FROM 09N TO 14N BETWEEN 157W AND 167W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 17N TO 10N W OF 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 12N BETWEEN 153W
AND 160W.

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

.MONSOON TROUGH FROM 09N140W TO 10N154W. ISOLATED MODERATE
TSTMS WITHIN 300 NM OF MONSOON TROUGH.

.SCATTERED MODERATE TSTMS S OF 07N BETWEEN 152W AND 163W.

.ISOLATED MODERATE TSTMS FROM 15N TO 05N W OF 174W.

.ISOLATED MODERATE TSTMS S OF 06N BETWEEN 168W AND 172W.

$$

.FORECASTER FOSTER. HONOLULU HI.