National Weather Service Weather Forecast Office

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

000
FZPN40 PHFO 170305
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 17 2024.
24 HOUR FORECAST VALID 0000 UTC APR 18 2024.
48 HOUR FORECAST VALID 0000 UTC APR 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 28N151W 1011 MB MOVING NE 15 KT. FRONT FROM LOW TO
30N151W...AND FROM 30N147W TO 19N153W...THENCE TROUGH TO 18N155W
MOVING E SLOWLY. S TO SE WINDS 20 TO 25 KT N OF 26N E OF FRONT.
ISOLATED MODERATE TSTMS N OF 25N BETWEEN 141W AND 148W.
.24 HOUR FORECAST LOW DISSIPATED. FRONT FROM 30N142W TO
23N145W...THENCE TROUGH TO 20N150W. WINDS DECREASED TO 20 KT OR
BELOW.
.48 HOUR FORECAST FRONT FROM 29N140W TO 24N145W.

.FRONT FROM 30N167E TO 21N160E MOVING E SLOWLY. S OF SE WINDS
20 TO 25 KT N OF 25N WITHIN 320 NM E FRONT. ISOLATED MODERATE
TSTMS N OF 25N WITHIN 150 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N169E TO 22N163E.
WINDS DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 30N172E TO
27N167E.

.N WINDS 20 TO 25 KT N OF 26N BETWEEN 154W AND 160W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 26N TO 20N BETWEEN
164W TO 180E. E WINDS 20 TO 25 KT FROM 13N TO 06N BETWEEN
164W AND 180W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 24N TO 20N BETWEEN
164W TO 177E. E TO NE WINDS 20 TO 25 KT FROM 16N TO 05N.

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

.SEAS 8 TO 12 FT N OF A LINE FROM 30N145W TO 11N169W TO
13N180E. SEAS 8 TO 9 FT N OF 26N W OF 171E.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 26N TO 20N BETWEEN 164W
AND 180E. SEAS 8 TO 9 FT FROM 13N TO 08N BETWEEN 169W AND 179E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 12N TO 05N BETWEEN 176W
AND 173E.

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

.ITCZ FROM 05N140W TO 03N166W. SCATTERED MODERATE FROM 07N TO 01N
BETWEEN 155W AND 167W.


$$

.FORECASTER FOSTER. HONOLULU HI.