National Weather Service Weather Forecast Office

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

000
FZPN40 PHFO 231018
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE APR 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2024.
24 HOUR FORECAST VALID 0600 UTC APR 24 2024.
48 HOUR FORECAST VALID 0600 UTC APR 25 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N178E 27N171E THENCE TROUGH TO 24N165E MOVING E SLOWLY
ALONG 30N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N179W 27N175E
20N171E.
.48 HOUR FORECAST TROUGH 30N178W 22N170E.

.48 HOUR FORECAST NEW FRONT 30N173E 29N167E 30N160E. NE WINDS 20
TO 30 KT N OF 27N W OF 172E.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 14N BETWEEN 173E AND
165W...FROM 06N TO 24N BETWEEN 165W AND 153W...AND FROM 24N TO 26N
BETWEEN 153W AND 145W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 14N
BETWEEN 170E AND 165W...AND FROM 07N TO 25N E OF 165W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 25N E OF
167W...FROM 06N TO 13N BETWEEN 173W AND 167W...AND FROM 07N TO 12N
BETWEEN 167E AND 177E.

.SEAS 8 TO 10 FT FROM 04N TO 17N E OF 173E. SEAS 8 TO 9 FT N OF
LINE 30N170E 26N174E 30N179E.
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY 17N172E
15N140W 05N140W 05N178E 12N164E 17N172E.
.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA BOUNDED BY 13N165E
14N176W 23N150W 20N140W 05N140W 05N173E 13N165E.

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

.ITCZ 04N140W 03N150W 03N165W 00N176E 03N168E 03N160E. SCATTERED
MODERATE TSTMS WITHIN 120 NM N AND 60 NM S OF ITCZ BETWEEN 176W
AND 166W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 240 NM N AND 60
NM S OF ITCZ E OF 166W...AND S OF 10N W OF 176W.

$$

.FORECASTER JELSEMA. HONOLULU HI.