710
FZPN40 PHFO 171041
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT MAY 17 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 160E

SYNOPSIS VALID 0600 UTC MAY 17 2025.
24 HOUR FORECAST VALID 0600 UTC MAY 18 2025.
48 HOUR FORECAST VALID 0600 UTC MAY 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N173W 25N180W 21N160E MOVING E SLOWLY E OF 180W AND
NEARLY STATIONARY ELSEWHERE. NE TO E WINDS 20 TO 25 KT AND SEAS
2.5 TO 3 M N OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH 30N168W 24N176W
21N160E. NE TO E WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M N OF
TROUGH.
.48 HOUR FORECAST TROUGH 30N173W 24N180W 20N177E. NE WINDS 20 TO
30 KT NW OF TROUGH. NE TO E WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M
N OF A LINE 30N172W 25N180W 21N170E 20N160E.

.E WINDS 20 TO 25 KT FROM 08N TO 27N E OF 155W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 08N TO 28N E OF
158W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 08N TO 14N
BETWEEN 155W AND 163W.

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

.SEAS 2.5 TO 3 M FROM 08N TO 27N E OF 160W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 26N E OF 160W.
.48 HOUR FORECAST SEAS EASED TO 2.5 M OR LESS ELSEWHERE.

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

.ITCZ 05N140W 03N160W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
ITCZ.

.ISOLATED MODERATE TSTMS FROM 04N TO 09N W OF 167E...AND FROM 19N
TO 21N BETWEEN 157W AND 160W.


$$

.FORECASTER ALMANZA. HONOLULU HI.