National Weather Service Weather Forecast Office

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

000
FZPN40 PHFO 240312
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24 2024.
24 HOUR FORECAST VALID 0000 UTC APR 25 2024.
48 HOUR FORECAST VALID 0000 UTC APR 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N180E 25N173E THENCE TROUGH TO 22N170E 22N165E NEARLY
STATIONARY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N180E 25N172E.
.48 HOUR FORECAST TROUGH 30N174W 23N176E 22N170E. WINDS 20 TO 30
KT WITHIN 90 NM NW OF TROUGH.

.24 HOUR FORECAST NEW FRONT 30N170E 27N166E.
.48 HOUR FORECAST FRONT 30N180E 24N170E 27N160E. NE WINDS 20 TO
30 KT N OF FRONT.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 10N BETWEEN 160E AND 170...AND
FROM 06N TO 23N E OF 163W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 14N... AND FROM
14N TO 23N E OF 163W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N E OF 170W...AND
FROM 08N TO 12N W OF 170W.

.SEAS 8 TO 10 FT FROM 05N TO 10N BETWEEN 172E AND 178W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 07N TO 13N BETWEEN 173E AND 178W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 27N BETWEEN 167E AND 175W... AND
FROM 08N TO 20N BETWEEN 167W AND 142W.

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

.ITCZ 03N140W 02N150W 03N154W 01N165W 03N173W 02N175W. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 270 NM N OF ITCZ.

.SCATTERED MODERATE TSTMS S OF 09S W OF 168E... AND FROM 07N TO 10N
BETWEEN 170E AND 174E. ISOLATED MODERATE TSTMS FROM 24N TO 28N W OF
164E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.