459
FZPN40 PHFO 100231
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN MAY 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 10 2026.
24 HOUR FORECAST VALID 0000 UTC MAY 11 2026.
48 HOUR FORECAST VALID 0000 UTC MAY 12 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N146W 27N150W 21N159W MOVING W 5 KT BECOMING STATIONARY.
WINDS 20 TO 25 KT FROM 20N TO 25N BETWEEN 160W AND 155W.
.24 HOUR FORECAST TROUGH 30N145W 27N155W 22N165W. WINDS 20 TO 25
KT FROM 20N TO 25N BETWEEN 160W AND 155W.
.48 HOUR FORECAST TROUGH 28N145W 25N155W 22N162W. WINDS 20 TO 25 KT
FROM 20N TO 25N BETWEEN 160W AND 155W.

.TROUGH 08N145W 05N146W 03N145W MOVING W 10 KT. SCATTERED
MODERATE TSTMS FROM 03N TO 08N BETWEEN 150W AND 140W.
.24 HOUR FORECAST TROUGH 07N148W 05N147W 03N148W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW TROUGH 30N153W 30N158W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 09N TO 14N BETWEEN 175W AND 160W...AND
FROM 10N TO 20N BETWEEN 147W AND 141W.
.24 HOUR FORECAST SEAS SUBSIDING TO 2.5 M OR LESS.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 17N TO 22N BETWEEN 178W
AND 169W.

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

.ITCZ 05N180W 05N169W 08N165W 06N160W 07N149W. SCATTERED MODERATE
TSTMS WITHIN 270 NM OF ITCZ E OF 165W. ISOLATED MODERATE TSTMS
ELSEWHERE WITHIN 270 NM N OF ITCZ BETWEEN 180W AND 165W.

.ISOLATED MODERATE TSTMS FROM 12N TO 08N BETWEEN 175W AND 159W.

$$

.FORECASTER PECHACEK. HONOLULU HI.