FZPN40 PHFO 162207
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT MAY 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 16 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 17 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 18 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N164W 22N165W 19N165W MOVING W SLOWLY.
.24 HOUR FORECAST WEAK TROUGH 28N169W 20N166W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 16N155W 10N158W MOVING NW 10 KT. ISOLATED MODERATE TSTMS
FROM 10N TO 16N BETWEEN 148W AND 155W.
.24 HOUR FORECAST WEAK TROUGH 17N162W 12N164W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 30 KT FROM 14N TO 19N BETWEEN 150W AND 156W. WINDS 20
TO 25 KT FROM 09N TO 26N BETWEEN 140W AND 150W.
.24 HOUR FORECAST WINDS 20 TO 30 KT 09N TO 17N BETWEEN 140W AND
160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 17N BETWEEN 151W
AND 161W.

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

.SEAS 2.5 TO 3.5 M FROM 07N TO 26N BETWEEN 140W AND 156W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 10N TO 19N E OF 170W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 08N TO 17N E OF 161W.

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

.ITCZ 06N140W 07N165W 05N175W 05N180W. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF ITCZ.


$$

.FORECASTER ALMANZA. HONOLULU HI.