####018002633####
FZPS40 PHFO 290332

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0530 UTC MON APR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 29 2024.

24 HOUR FORECAST VALID 0000 UTC APR 30 2024.

48 HOUR FORECAST VALID 0000 UTC MAY 01 2024.



.WARNINGS.



.NONE. 



.SYNOPSIS AND FORECAST.



.TROUGH 11S160E 16S170E 25S179W MOVING E 15 KT S OF 18S AND NEARLY 

STATIONARY ELSEWHERE. SEE WINDS AND SEAS BELOW. ISOLATED MODERATE 

TSTMS WITHIN 90 NM OF TROUGH.

.24 HOUR FORECAST TROUGH 11S160E 18S175E 25S173W. SEE WINDS AND 

SEAS BELOW. 

.48 HOUR FORECAST TROUGH 12S160E 18S176W 25S172W. SEE WINDS AND 

SEAS BELOW.



.TROUGH 03S160E 09S176E 11S168W NEARLY STATIONARY. SCATTERED 

MODERATE TSTMS WITHIN 360 NM N AND 60 NM S OF TROUGH.

.24 HOUR FORECAST TROUGH LITTLE CHANGE. 

.48 HOUR FORECAST TROUGH 05S160E 09S179E 09S170W. 



.TROUGH 14S171W 21S170W MOVING W SLOWLY. ISOLATED MODERATE TSTMS 

WITHIN 90 NM OF TROUGH. 

.24 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 12S136W 17S134W 21S135W MOVING W SLOWLY. 

.24 HOUR FORECAST TROUGH 12S138W 20S137W.

.48 HOUR FORECAST TROUGH DISSIPATED.



.WINDS 20 TO 25 KT S OF LINE 11S160E 25S174E...AND S OF 20S BETWEEN 

179W AND 174W. WINDS 20 TO 25 KT IN AREA 25S169W 12S162W 11S145W 

20S138W 25S155W.

.24 HOUR FORECAST WINDS 20 TO 25 KT W OF LINE 13S160E 18S172E 

24S160E...AND IN AREA 25S170W 12S166W 11S150W 17S142W 25S155W.

.48 HOUR FORECAST WINDS 20 TO 25 KT W OF LINE 11S160E 19S178E 

20S160E...AND IN AREA 25S165W 18S171W 12S170W 15S145W 25S152W.



.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.



.SEAS 8 TO 10 FT S OF LINE 15S160E 18S173E 25S179W. SEAS 8 TO 10 FT 

IN AREA 25S150W 24S163W 12S161W 12S149W 17S129W 22S120W.

.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 13S160E 25S179W. SEAS 8 

TO 10 FT IN AREA 25S170W 13S166W 11S150W 18S144W 15S155W. SEAS 8 TO 

10 FT S OF LINE 25S140W 18S127W 18S120W.

.48 HOUR FORECAST SEAS 8 TO 9 FT W OF 167E BETWEEN 15S AND 20S. 

SEAS 8 TO 10 FT IN AREA 25S165W 19S171W 11S169W 11S149W 25S154W.



.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.



.ISOLATED MODERATE TSTMS FROM 05S TO 13S BETWEEN 168W AND 150W.



$$



.FORECASTER POWELL. HONOLULU HI.

####018002346####
FZPN40 PHFO 290332

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0500 UTC MON APR 29 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 29 2024.

24 HOUR FORECAST VALID 0000 UTC APR 30 2024.

48 HOUR FORECAST VALID 0000 UTC MAY 01 2024.



.WARNINGS.



.NONE.   



.SYNOPSIS AND FORECAST.



.WEAK FRONT 30N163W 24N169W THENCE TROUGH TO 21N175W 20N178E. FRONT 

MOVING E SLOWLY AND TROUGH NEARLY STATIONARY. SEE WINDS BELOW. 

SCATTERED MODERATE TO STRONG TSTMS WITHIN 90 NM E OF FRONT N OF 

27N.

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N162W 24N166W 21N175W. 

.48 HOUR FORECAST TROUGH 30160W 21N169W.



.TROUGH 24N167E 18N166E NEARLY STATIONARY.

.24 HOUR FORECAST TROUGH LITTLE CHANGE.

.48 HOUR FORECAST TROUGH DISSIPATED.



.FRONT JUST W OF FORECAST AREA NEAR 30N158E MOVING E 20 KT. SEE 

WINDS BELOW. ISOLATED MODERATE TSTMS N OF 29N W OF 163E.

.24 HOUR FORECAST FRONT 30N168E 27N160E.

.48 HOUR FORECAST WEAKENING FRONT 30N175E 27N167E 29N160E.



.WINDS 20 TO 25 KT N OF 05N AND S OF LINE 05N170W 20N155W 25N140W. 

WINDS 20 TO 25 KT N OF 27N BETWEEN 165W AND 159W...AND N OF 29N W 

OF 163E.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 05N AND S OF LINE 05N171W 

20N150W 26N140W.

.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 05N AND S OF LINE 10N160E 

15N160W 23N140W.



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



.SEAS 8 TO 10 FT N OF 03N AND S OF LINE 03N177W 19N158W 22N140W.

.24 HOUR FORECAST SEAS 8 TO 10 FT IN AREA 06N140W 02N151W 09N175W 

19N155W 22N140W.

.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 04N AND S OF LINE 04N171E 

16N160W 22N145W 22N140W.



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



.ITCZ 07N140W 03N155W 01N167W. ISOLATED MODERATE TSTMS WITHIN 90 NM 

OF ITCZ E OF 155W.



.ISOLATED MODERATE TSTMS S OF 08S W OF 174E AND FROM 05N TO 10N 

BETWEEN 174E AND 168W. 



$$



.FORECASTER POWELL. HONOLULU HI.