####018001713####
FZPN40 PHFO 020910

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1100 UTC THU MAY 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 02 2024.

24 HOUR FORECAST VALID 0600 UTC MAY 03 2024.

48 HOUR FORECAST VALID 0600 UTC MAY 04 2024.



.WARNINGS.



.NONE.   



.SYNOPSIS AND FORECAST.



.WEAK TROUGH 30N158W 21N166W MOVING W SLOWLY. ISOLATED MODERATE

TSTMS WITHIN 60 NM OF TROUGH N OF 22N. 

.24 HOUR FORECAST TROUGH 30N163W 23N167W. 

.48 HOUR FORECAST TROUGH 30N170W 22N174W.



.WEAK TROUGH 22N171E 21N180E MOVING W SLOWLY. NE TO E WINDS 20 TO

25 KT WITHIN 120 NM N OF TROUGH. 

.24 HOUR FORECAST TROUGH 24N167E 20N166E. WINDS DIMINISHED TO 20 

KT OR LESS.

.48 HOUR FORECAST TROUGH 24N162E 20N161E. 



.48 HOUR FORECAST NEW FRONT NEAR 30N160E.



.NE TO E WINDS 20 TO 25 KT FROM 07N TO 16N E OF 165W... AND FROM 16N

TO 24N E OF 150W. 

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 25N E OF 160W...

AND FROM 06N TO 15N BETWEEN 170W AND 160W. 

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 26N E OF 164W...

AND FROM 07N TO 14N BETWEEN 173W AND 164W. 



.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.



.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.



.ITCZ 05N140W 01N163E. 



$$



.FORECASTER SHIGESATO. HONOLULU HI.

####018002389####
FZPS40 PHFO 020910

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1130 UTC THU MAY 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 02 2024.

24 HOUR FORECAST VALID 0600 UTC MAY 03 2024.

48 HOUR FORECAST VALID 0600 UTC MAY 04 2024.



.WARNINGS.



.NONE. 



.SYNOPSIS AND FORECAST.



.TROUGH 01S165E 11S176W 10S157W MOVING SW SLOWLY. NUMEROUS MODERATE

TSTMS FROM 16S TO 09S BETWEEN 170W AND 157W. ISOLATED MODERATE TSTMS

ELSEWHERE WITHIN 240 NM OF TROUGH W OF 180W. 

.24 HOUR FORECAST TROUGH 04S162E 10S174E 11S173W. 

.48 HOUR FORECAST NEW LOW NEAR 14S175W 1006 MB. TROUGH 06S160E 10S172E

10S180W TO LOW TO 19S170W. 



.TROUGH 25S173W 14S170E 11S160E NEARLY STATIONARY. SE WINDS 20 TO

25 KT S OF TROUGH. SCATTERED MODERATE TSTMS WITHIN 240 NM N OF TROUGH

W OF 170E. ISOLATED MODERATE TSTMS WITHIN 300 NM N OF TROUGH E OF

180W... AND S OF TROUGH E OF 177E.

.24 HOUR FORECAST TROUGH LITTLE CHANGE. SE WINDS 20 TO 25 KT S OF

TROUGH. 

.48 HOUR FORECAST TROUGH 25S167W 11S160E. SE WINDS 20 TO 25 KT S 

OF TROUGH. 



.TROUGH 25S130W 20S137W 18S146W MOVING E SLOWLY. ISOLATED MODERATE

TSTMS WITHIN 60 NM OF TROUGH.

.24 HOUR FORECAST TROUGH STRENGTHENED TO A FRONT 25S126W 19S133W 

18S142W.

.48 HOUR FORECAST FRONT 25S122W 19S131W.



.SE TO E WINDS 20 TO 25 KT S OF A LINE 25S131W 19S140W 13S150W 13S170W.

.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT S OF A LINE 25S130W 15S137W

20S160W.

.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 20S TO 16S BETWEEN

153W AND 137W.



.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.



.SEAS 8 TO 12 FT S OF A LINE FROM 25S130W TO 16S155W TO 14S170W.

.24 HOUR FORECAST SEAS 8 TO 12 FT S OF 17S E OF 162W... AND S OF 20S

W OF 178W.

.48 HOUR FORECAST SEAS 8 TO 11 FT S OF 17S E OF 140W... AND FROM 21S

TO 17S BETWEEN 157W AND 140W. SEAS 8 TO 9 FT S OF 17S W OF 180W. 



.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.



$$



.FORECASTER SHIGESATO. HONOLULU HI.