FZPN40 PHFO 152256
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAY 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 15 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 16 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 17 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N158W 25N159W 21N159W MOVING W 10 KT. SCATTERED
MODERATE TSTMS FROM 26N TO 22N BETWEEN 160W AND 155W.
.24 HOUR FORECAST TROUGH 30N164W 26N165W 20N164W.
.48 HOUR FORECAST TROUGH 30N165W 26N167W.

.24 HOUR FORECAST NEW TROUGH 13N158W 05N166W.
.48 HOUR FORECAST TROUGH 16N166W 14N168W.

.WINDS 20 TO 25 KT N OF 23N BETWEEN 170W AND 150W...AND FROM
22N TO 09N W OF 168W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 24N TO 10N E OF 153W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 19N TO 10N E OF 158W.

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

.SEAS 2.5 TO 3 M N OF LINE 23N166W 23N160W 18N150W 18N145W...AND
FROM 07N TO 20N W OF 170E...AND FROM 06N TO 16N E OF 155W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 07N TO 26N E OF 153W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 20N E OF 156W.

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

.ITCZ 04N140W 03N180W. SCATTERED MODERATE TSTMS FROM 08N TO 02N E
OF 150W...AND FROM 10N TO 01N W OF 160W.

.ISOLATED MODERATE TSTMS FROM 10N TO 18N BETWEEN 149W AND 152W.


$$

.FORECASTER ALMANZA. HONOLULU HI.