National Weather Service National Headquarters

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

000
FZPN40 PHFO 222248
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 22 2024.
24 HOUR FORECAST VALID 1800 UTC APR 23 2024.
48 HOUR FORECAST VALID 1800 UTC APR 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N178E 25N170E MOVING E 15 KT ALONG 30N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N180W 26N173E.
.48 HOUR FORECAST TROUGH 30N180W 25N170E.

.WINDS 20 TO 25 KT FROM 05N TO 15N BETWEEN 170E AND 180W...AND
FROM 05N TO 20N BETWEEN 180W AND 150W...AND FROM 05N TO 10N
BETWEEN 150W AND 140W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS
ENTIRE FORECAST AREA...AND FROM 15N TO 25N BETWEEN 160W AND 145W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N W OF 170W...
AND FROM 05N TO 25N BETWEEN 170W AND 150W...AND FROM 05N TO 20N
E OF 150W.

.SEAS 8 TO 10 FT N OF 25N BETWEEN 162E AND 175E...AND FROM 05N
TO 15N BETWEEN 180W AND 160W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 13N BETWEEN 170E
AND 160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 15N BETWEEN 175E
AND 170W.

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

.ITCZ 04N160E 04N180W 02N170W 04N163W 03N150W 02N140W. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 300 NM N OF ITCZ BETWEEN 170E AND
165W AND BETWEEN 155W AND 145W.


$$

.FORECASTER PECHACEK. HONOLULU HI.