The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/21/2024 01:31:02 PM UTC
                        
630
FZPN40 PHFO 210331
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 21 2024.
24 HOUR FORECAST VALID 0000 UTC NOV 22 2024.
48 HOUR FORECAST VALID 0000 UTC NOV 23 2024.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N176E TO 24N169E TO 23N165E MOVING E 20 KT. N TO
NE WINDS 20 TO 25 KT NW OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N170W TO 24N180E TO 25N160E.
WINDS HAVE DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT FROM 30N157W TO 25N171W TO 23N176E.

.TROUGH FROM 24N140W TO 21N145W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 23N140W TO 21N145W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST FRONT FROM 27N140W TO 27N148W TO 30N156W.
.48 HOUR FORECAST FRONT FROM 26N140W TO 25N145W TO 30N151W.

.48 HOUR FORECAST NEW FRONT FROM 30N166E TO 25N160E.

.E WINDS 20 TO 25 KT FROM 13N TO 08N BETWEEN 166W AND 178E. W
TO NE WINDS 20 TO 25 KT N OF 27N E OF 153W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 09N BETWEEN
166W AND 161E.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 17N TO 07N W OF 174W.

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

.SEAS 8 TO 10 FT N OF A LINE FROM 30N173E TO 22N160E.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 30N175W TO
22N170E TO 22N160E. SEAS 8 TO 9 FT N OF A LINE FROM 30N147W T0
26N140W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N166W TO
14N172W TO 16N160E. SEAS 8 TO 9 FT FROM 30N148W T0 25N140W.

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

.ITCZ 08N140W TO 08N156W TO 07N179W. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 19N TO 08N W OF 180E.


$$

.FORECASTER FOSTER. HONOLULU HI.