260
FZPN40 PHFO 221527
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED JUL 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 22 2026.
24 HOUR FORECAST VALID 1200 UTC JUL 23 2026.
48 HOUR FORECAST VALID 1200 UTC JUL 24 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N172W 27N173W MOVING WNW 10 KT.
.24 HOUR FORECAST TROUGH 30N176W 28N176W.
.48 HOUR FORECAST TROUGH 30N174W 23N175W.

.LOW NEAR 07N165W 1007 MB MOVING WNW SLOWLY. TROUGH FROM 13N157W
TO 08N160W THROUGH LOW TO 10N174W MOVING W SLOWLY. SCATTERED
MODERATE TO ISOLATED STRONG TSTMS S OF 13N BETWEEN 175W AND
158W...AND FROM 16N TO 12N BETWEEN 160W AND 154W.
.24 HOUR FORECAST LOW NEAR 08N168W 1007 MB. TROUGH FROM 13N162W
THROUGH LOW TO 08N180W.
.48 HOUR FORECAST LOW NEAR 08N169W 1006 MB. TROUGH FROM 12N163W
THROUGH LOW TO 08N180W. WINDS 20 TO 25 KT FROM 18N TO 12N BETWEEN
172W AND 160W.

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 27N TO 15N BETWEEN 164W
TO 147W.

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

.SEAS 2.5 TO 3 M FROM 17N TO 11N BETWEEN 159W AND 149W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 19N TO 10N BETWEEN 165W
AND 152W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 27N TO 11N BETWEEN 171W
AND 149W.

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

.ITCZ 09N140W 06N153W. SCATTERED MODERATE TSTMS FROM 10N TO 02N E
OF 156W.

.ISOLATED MODERATE TSTMS S OF 04N W OF 177W.

$$

.FORECASTER TROTTER. HONOLULU HI.