184
FZPN40 PHFO 110320
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE AUG 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 11 2026.
24 HOUR FORECAST VALID 0000 UTC AUG 12 2026.
48 HOUR FORECAST VALID 0000 UTC AUG 13 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.TROUGH FROM 25N164W TO 30N157W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 10N173W TO 13N174W TO 16N175W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH FROM 10N179W TO 16N178W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.LOW 11N142W 1007 MB NEARLY STATIONARY. SCATTERED MODERATE TSTMS
FROM 07N TO 12N E OF 143W.
.24 HOUR FORECAST LOW NEAR 12N142W 1005 MB. WINDS 20 TO 25 KT
FROM 07N TO 18N E OF 144W. SEAS OF 2.5 TO 3 M FROM 07N TO 18N E OF
146W.
.48 HOUR FORECAST LOW NEAR 15N142W 1002 MB. TROPICAL CYCLONE
POSSIBLE. WINDS 20 TO 30 KT FROM 09N TO 24N E OF 148W. SEAS OF 3.5
TO 4 M FROM 16N TO 18N E OF 143W. SEAS OF 2.5 TO 3.5 M ELSEWHERE
FROM 08N TO 25N E OF 149W.

.LOW 12N161W 1010 MB MOVING W 10 KT.
.24 HOUR FORECAST LOW 10N165W 1009 MB.
.48 HOUR FORECAST LOW 10N167W 1009 MB.

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

.SEAS OF 2.5 TO 3 M FROM 12N TO 18N E OF 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 17N BETWEEN 146W
AND 157W.
.48 HOUR FORECAST SEAS OF 2.5 TO 3 M FROM 11N TO 20N BETWEEN 149W
AND 160W.

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

.MONSOON TROUGH FROM 11N140W TO LOWS MENTIONED ABOVE NEAR 11N142W
AND 12N161W. SCATTERED MODERATE TSTMS UP TO 180 NM ALONG EITHER
SIDE OF THE MONSOON TROUGH W OF 143W.

.SCATTERED MODERATE TO ISOLATES STRONG TSTMS FROM 01N TO 07N
BETWEEN 150W AND 166W.

$$

.FORECASTER CHAN. HONOLULU HI.