FZPN40 PHFO 011501
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI MAY 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 01 2026.
24 HOUR FORECAST VALID 1200 UTC MAY 02 2026.
48 HOUR FORECAST VALID 1200 UTC MAY 03 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 19N149W 17N149W 14N147W MOVING WSW 10 KT. ISOLATED MODERATE
TSTMS FROM 17N TO 20S BETWEEN 144W AND 149W.
.24 HOUR FORECAST TROUGH DISSIPATED. NEW TROUGH 18N141W 10N147W.
.48 HOUR FORECAST TROUGH 16N140W 10N143W.

.24 HOUR FORECAST NEW FRONT 30N167W 27N168W 25N174W 25N180W. WINDS
20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT 30N157W 25N161W 23N170W 21N180W. WINDS 20
TO 25 KT WITHIN 120 NM NW OF FRONT.

.WINDS 20 TO 25 KT FROM 10N TO 13N W OF 167W...AND FROM
15N TO 19N E OF 143W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 07N TO 27N W OF 175W...AND
FROM 14N TO 17N BETWEEN E OF 143W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 21N W OF 175W.

SEAS 2.5 TO 3 M FROM 08N TO 20N W OF 160W...AND WITHIN 210 NM N OF
LINE 10N140W 17N151W 22N159W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M WITHIN AN AREA BOUNDED BY
30N157W 19N164W 19N180W 07N180W 06N154W 09N140W 24N140W 30N146W
30N157W...AND N OF 27N W OF 175W.
.48 HOUR FORECAST SEAS 2.5 TO 3 FROM 10N TO 19N...AND N OF A LINE
30N158W 21N170W 17N180W.


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

.ITCZ 08N140W 05N150W 03N160W 03N168W 05N176W 05N180W. SCATTERED
MODERATE TSTMS WITHIN 300 NM N OF ITCZ W OF 170W...AND WITHIN
210 NM N OF ITCZ E OF 148W. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 360 NM N OF ITCZ.


$$

.FORECASTER TSAMOUS. HONOLULU HI.