The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/21/2024 08:34:13 PM UTC
                        
057
FZPN40 PHFO 211034
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU NOV 21 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 21 2024.
24 HOUR FORECAST VALID 0600 UTC NOV 22 2024.
48 HOUR FORECAST VALID 0600 UTC NOV 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N179E 24N172E 23N160E MOVING E 20 KT. N TO NE WINDS 20 TO
25 KT NW OF FRONT.
.24 HOUR FORECAST FRONT 30N167W 25N175W 23N168E. WINDS DECREASED
TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT 30N155W 26N164W 24N179E.

.TROUGH 23N140W 19N147W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST FRONT 27N140W 25N147W 30N157W.
.48 HOUR FORECAST FRONT EXITS E OF AREA.

.24 HOUR FORECAST NEW FRONT 30N161E 29N160E.
.48 HOUR FORECAST FRONT 30N169E 24N162E.

.24 HOUR FORECAST WINDS 20 TO 30 KT  N OF LINE 30N164E 28N160E.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 12 TO 14 FT N OF LINE 30N165E 26N167E 30N175E. SEAS 8 TO 12
FT ELSEWHERE N OF LINE 30N179W 22N163E 22N160E. SEAS 8 TO 10 FT N
OF LINE 30N153W 27N140W. SEAS 8 TO 9 FT FROM 07N TO 16N BETWEEN
178E AND 156W.
.24 HOUR FORECAST SEAS 12 TO 13 FT N OF LINE 30N173E 27N177E
30N176W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N171W 16N173E
16N160E. SEAS 8 TO 10 FT N OF LINE 30N156W 25N148W 26N140W. SEAS 8
TO 9 FT FROM 08N TO 15N BETWEEN 171E AND 162W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N176E 23N170E
19N160E 09N160E 07N173E 11N168W 20N173W 30N162W 21N144W 22N140W.
SEAS 8 TO 9 FT N OF LINE 30N171E 28N160E.

.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 08N140W 08N152W 07N160W 07N173W 06N179W. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF ITCZ W OF 165W...AND WITHIN 60 NM OF ITCZ E
OF 150W.

.ISOLATED MODERATE TSTMS FROM 09N TO 22N W OF 179E...AND N OF 29N
BETWEEN 176W AND 172W.



$$

.FORECASTER PIERCE. HONOLULU HI.