806
FZPN40 PHFO 221040
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 22 2026.
24 HOUR FORECAST VALID 0600 UTC JUL 23 2026.
48 HOUR FORECAST VALID 0600 UTC JUL 24 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N176W 29N178W 28N180W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH MOVED NW OF AREA.

.TROUGH 30N170W TO 27N171W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 30N175W 28N174W.
.48 HOUR FORECAST TROUGH 30N173W 23N174W.

.LOW NEAR 07N165W 1007 MB MOVING WNW SLOWLY. TROUGH FROM 13N156W
TO 08N159W THROUGH LOW TO 08N170W TO 10N174W MOVING W SLOWLY.
SCATTERED MODERATE TO ISOLATED STRONG TSTMS S OF 13N BETWEEN 174W
AND 157W...AND FROM 16N TO 12N BETWEEN 159W AND 153W.
.24 HOUR FORECAST LOW NEAR 07N167W 1007 MB. TROUGH FROM 13N160W
TO 10N164W THROUGH LOW TO 09N180W.
.48 HOUR FORECAST LOW NEAR 08N169W 1006 MB. TROUGH FROM 12N163W
TO 09N166W THROUGH LOW TO 06N180W.

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 27N TO 15N BETWEEN 167W
TO 145W.

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

.SEAS 2.5 TO 3 M FROM 16N TO 12N BETWEEN 158W AND 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 18N TO 11N BETWEEN 163W
AND 153W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 27N169W
14N169W 11N157W 18N149W 27N165W 27N169W.

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

.MONSOON TROUGH 08N140W 08N146W 08N152W. SCATTERED MODERATE TSTMS
FROM 11N TO 02N E OF 154W.

.ISOLATED MODERATE TSTMS FROM 12N TO 01N W OF 176W...AND FROM 12N
TO 10N BETWEEN 155W AND 152W.

$$

.FORECASTER TROTTER. HONOLULU HI.