####018002268####
FZPN40 PHFO 250257

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0500 UTC THU APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2024.

24 HOUR FORECAST VALID 0000 UTC APR 26 2024.

48 HOUR FORECAST VALID 0000 UTC APR 27 2024.



.WARNINGS.



.NONE.   



.SYNOPSIS AND FORECAST.



.LOW 27N163E 1015 MB MOVING NE 15KT. FRONT FROM 30N169E TO 28N166E

THENCE TROUGH TO LOW TO 25N160E MOVING E 25 KT. NE WINDS 20 TO 25

KT N OF TROUGH. ISOLATED MODERATE TSTMS WITHIN 150 NM E OF FRONT.

.24 HOUR FORECAST LOW MOVED N OF AREA. FRONT FROM 30N173W TO 

26N180E TO 23N170E TO 25N160E. NE WINDS 20 TO 30 KT N OF FRONT.

.48 HOUR FORECAST NEW LOW NEAR 27N172W 1017 MB. FRONT BECAME 

TROUGH FROM 30N171W TO LOW TO 22N175W. NE WINDS 20 TO 25 KT N 

OF A LINE FROM 30N171W TO 24N180E.



.TROUGH FROM 30N180E TO 26N173E TO 26N168E MOVING E SLOWLY. 

.24 HOUR FORECAST TROUGH ABSORBED BY FRONT DESCRIBED ABOVE. 



.NE TO E WINDS 20 TO 25 KT E OF A LINE FROM 08N167W TO 22N157W.

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 22N E OF

163W...AND FROM 07N TO 12N W OF 173E.

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 19N E OF

160W...AND FROM 06N TO 12N W OF 166E.



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



.24 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE FROM 30N178W TO

25N172E TO 26N160E. SEAS 8 TO 9 FT FROM 08N TO 19N BETWEEN 147W

AND 163W.

.48 HOUR FORECAST SEAS 8 TO 9 FT WITHIN AN AREA BOUNDED BY 27N172W

21N176E 21N167E 25N167E 28N178E 27N172W...AND FROM 09N TO 15N

BETWEEN 154W AND 162W.



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



.ITCZ FROM 04N140W TO 01N154W. ISOLATED MODERATE TSTMS WITHIN 90 

NM OF ITCZ E OF 149W.



.ISOLATED MODERATE TSTMS S OF 10N AND W OF 174E. 







$$



.FORECASTER TSAMOUS. HONOLULU HI.

####018002773####
FZPS40 PHFO 250258

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0530 UTC THU APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2024.

24 HOUR FORECAST VALID 0000 UTC APR 26 2024.

48 HOUR FORECAST VALID 0000 UTC APR 27 2024.



.WARNINGS.



.NONE. 



.SYNOPSIS AND FORECAST.



.LOW 25S171E MOVING SE 15 KT. TROUGH FROM LOW TO 21S173E TO 

14S164E MOVING SE SLOWLY. WINDS 20 TO 30 KT S OF 22S BETWEEN 166W 

AND 170E. SEAS 8 TO 11 FT S OF LINE FROM 25S160W TO 22S166W TO 

20S180W TO 21S168E. ISOLATED MODERATE TSTMS S OF 21S BETWEEN 178E

AND 173E. 

.24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH FROM 25S180E TO

21S179W TO 15S166E. WINDS DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 

10 FT S OF LINE FROM 25S147W TO 17S160W TO 20S169W. 

.48 HOUR FORECAST TROUGH FROM 25S173W TO 20S177W. WINDS 20 TO 25 

KT FROM 23S TO 20S BETWEEN 150W AND 158W. SEAS 8 TO 10 FT S OF 

LINE FROM 25S138W TO 18S150W TO 18S160W.



.TROUGH FROM 10S170E TO 08S167E TO 06S160E MOVING W SLOWLY. 

SCATTERED MODERATE TSTMS WITHIN 420 NM N OF TROUGH. ISOLATED 

MODERATE TSTMS WITHIN 150 NM S OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 07S171E TO 07S160E.

.48 HOUR FORECAST TROUGH DISSIPATED. 



.TROUGH FROM 23S151W TO 12S156W TO 09S162W TO 09S170W NEARLY 

STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.

.24 HOUR FORECAST TROUGH DISSIPATED.



.FRONT FROM 25S154W TO 22S160W TO 22S166W THENCE TROUGH TO 21S175W

TO 23S177E MOVING E 20 KT.

.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM FROM 25S142W TO

21S147W TO 20S154W TO 17S160W. SEE WINDS AND SEAS WITH FIRST LOW 

ABOVE.

.48 HOUR FORECAST TROUGH FROM 25S135W TO 19S140W. SEE WINDS AND 

SEAS WITH FIRST LOW ABOVE.



.48 HOUR FORECAST NEW FRONT FROM 25S163E TO 23S160E.



.WINDS 20 TO 25 KT S OF 22S E OF 128W.

.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.



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



.SEAS 8 TO 9 FT S OF 23S E OF 127W.

.24 HOUR FORECAST SEAS DECREASED TO 8 FT OR LOWER.



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



.SCATTERED MODERATE TSTMS FROM 02S TO 08S BETWEEN 176E AND 170E.

ISOLATED MODERATE TSTMS FROM 04S TO 10S BETWEEN 129W AND 

158W...AND FROM 16S TO 12S BETWEEN 140W AND 144W....AND S OF 21S E 

OF 125W.







$$



.FORECASTER TSAMOUS. HONOLULU HI.