National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZPN40 PHFO 191047
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 19 2024.
24 HOUR FORECAST VALID 0600 UTC APR 20 2024.
48 HOUR FORECAST VALID 0600 UTC APR 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK STATIONARY FRONT FROM 30N141W TO 25N143W TO 19N147W.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 25N140W TO 22N146W.
.48 HOUR FORECAST TROUGH FROM 26N140W TO 21N147W.

.WEAK STATIONARY FRONT FROM 30N172E TO 26N165E THENCE A TROUGH TO
25N160E. TROUGH MOVING NE SLOWLY.
.24 HOUR FORECAST FRONT AND TROUGH MOVED N OF AREA.

.24 HOUR FORECAST NEW FRONT FROM 30N162E TO 27N160E. SW WINDS 20
TO 30 KT N OF A LINE FROM 30N165E TO 26N160E.
.48 HOUR FORECAST FRONT FROM 30N167E TO 24N160E. ASSOCIATED WINDS
LOWERED TO 20 KT OR LESS.

.NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 05N TO 15N
E OF 175W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT
FROM 06N TO 18N BETWEEN 180W AND 150W...AND FROM 08N TO 15N
BETWEEN 150W AND 140W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT
FROM 04N TO 14N E OF 175E.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF
AREA.

.ITCZ FROM 04N160E TO 08N174E TO 03N170W...AND FROM 04N145W TO
03N140W. SCATTERED MODERATE TSTMS WITHIN 300 NM N OF ITCZ W OF
170W.


$$

.FORECASTER PECHACEK. HONOLULU HI.