FZPS40 PHFO 191055
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W 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.

.TROUGH FROM 10S133W TO 16S135W TO 18S120W NEARLY STATIONARY. E TO 
SE WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT S OF 19S E OF 140W. 
ISOLATED MODERATE TSTMS WITHIN 150 NM S AND SW OF TROUGH E OF 
130W...AND WITHIN 60 NM N OF TROUGH W OF 140W. 
.24 HOUR FORECAST TROUGH FROM 15S135W TO 15S125W TO 20S120W. 
E TO SE WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT S OF 19S E OF 140W.
.48 HOUR FORECAST TROUGH FROM 14S124W TO 17S120W. E TO SE WINDS 20 
TO 30 KT AND SEAS 8 TO 12 FT S OF 19S E OF 140W.

.TROUGH FROM 17S161W TO 22S168W MOVING SW SLOWLY. ISOLATED 
MODERATE TSTMS WITHIN 360 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED S OF FORECAST AREA. 

.TROUGH FROM 065165E TO 13S168E TO 126S176E MOVING SW SLOWLY. 
SCATTERED MODERATE TO STRONG TSTMS WITHIN 210 NM SE OF TROUGH E OF 
173E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 240 NM OF TROUGH...
LOW NEAR AND WITHIN 60 NM OF POINT 14S175W. 
.24 HOUR FORECAST TROUGH FROM 08S168E TO 16S1708. 
.48 HOUR FORECAST TROUGH MOVES S OF OUR FORECAST AREA

.24 HOUR FORECAST NEW TROUGH FROM 23S160E TO 12S169E TO 15S175W. 
.48 HOUR FORECAST TROUGH FROM 14S162E TO 15S175W. 
E TO SE WINDS 20 TO 30 KT AND SEAS 8 TO 11 FT S OF TROUGH.
 
.E TO SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 20S TO 15S 
BETWEEN 175E AND 170W. 
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT 
FROM 20S TO 17S BETWEEN 177W AND 170E.
.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 20S W OF 170E.

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

.ITCZ FROM 04S175E 08S172W...AND FROM 00S125W TO 05S120W. ISOLATED 
MODERATE TSTMS WITHIN 180 NM OF ITCZ W OF 165W AND WITHIN 90 NM OF 
ITCZ E OF 165W.

.ISOLATED MODERATE TSTMS FROM 09S TO 05S E OF 123W...AND FROM 16S 
TO 11S W OF 163E.


$$

.FORECASTER PECHACEK. HONOLULU HI.