####018001997####
FZPN40 PHFO 292241

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 29 2024.

24 HOUR FORECAST VALID 1800 UTC APR 30 2024.

48 HOUR FORECAST VALID 1800 UTC MAY 01 2024.



.WARNINGS.



.NONE.   



.SYNOPSIS AND FORECAST.



.WEAK FRONT 30N166E 28N163E 27N160E MOVING NE 20 KT. 

.24 HOUR FORECAST WEAK FRONT 30N172E 29N169E 30N166E.

.48 HOUR FORECAST FRONT DISSIPATED. 



.WEAK FRONT 30N161W 27N163W 25N166W MOVING E SLOWLY. 

NUMEROUS MODERATE TSTMS WITHIN 180 NM E OF FRONT. 

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N162W 20N164W.  

.48 HOUR FORECAST TROUGH 30N163W 24N164W. 



.TROUGH 30N168W 26N171W MOVING E SLOWLY. 

.24 HOUR FORECAST TROUGH 30N164W 26S165W.

.48 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 26N166E 21N167E 17N165E MOVING W SLOWLY. 

.24 HOUR FORECAST TROUGH 26N165E 22N163E. 

.48 HOUR FORECAST TROUGH DISSIPATED.



.NE TO E WINDS 20 TO 25 KT E OF LINE 25N145W 11N164W 06N160W.   

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 06N 

W OF 180E. 

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 16N TO 07N 

E OF 164W. 



.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.



.SEAS 8 TO 9 FT FROM 12N TO 05N E OF 160W. 

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



.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.



.ITCZ 05N140W 04N143W 04N151W 02N160W 03N175W 02N172E. ISOLATED 

MODERATE TSTMS WITHIN 120 NM OF ITCZ E OF 144W...AND FROM 09N TO

02N BETWEEN 157W AND 175W. 



$$



.FORECASTER AHUE. HONOLULU HI.

####018002114####
FZPS40 PHFO 292241

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 29 2024.

24 HOUR FORECAST VALID 1800 UTC APR 30 2024.

48 HOUR FORECAST VALID 1800 UTC MAY 01 2024.



.WARNINGS.



.NONE. 



.SYNOPSIS AND FORECAST.



.TROUGH 09S147W 08S157W 11S169W 07N169E 07S160E NEARLY STATIONARY. 

NUMEROUS MODERATE TSTMS WITHIN 300 NM OF TROUGH E OF 170W. WIDELY 

SCATTERED MODERATE TSTMS ELSEWHERE WITHIN 300 NM OF TROUGH. 

.24 HOUR FORECAST TROUGH 09S160W 10S171W 06S160E. 

.48 HOUR FORECAST TROUGH 10S166W 09S177W 06S160E. 



.TROUGH 25S132W 19S135W NEARLY STATIONARY.

.24 HOUR FORECAST TROUGH 25S132W 19S136W.

.48 HOUR FORECAST TROUGH 25S131W 20S132W. 



.TROUGH 25S177W 19S178E MOVING E 10 KT. 

.24 HOUR FORECAST TROUGH 25S172W 20S175W. 

.48 HOUR FORECAST TROUGH 25S170W 22S175W.



.WINDS E TO SE 20 TO 25 KT S OF 10S BETWEEN 148W AND 169W...AND

S OF 14S W OF 169E. 

.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 15S BETWEEN 150W

164W...AND FROM 15S TO 20S W OF 169E.

.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF LINE 25S132W 

11S149W 10S169W...AND W OF LINE 11S169E 20S172E.



.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.



.SEAS MAINLY 8 TO 9 FT FROM 11S TO 20S BETWEEN 155W AND 169W...AND

S OF 20S E OF 133W.

.24 HOUR FORECAST SEAS MAINLY 8 TO 9 FT FROM 15S TO 20S BETWEEN 

155W AND 162W...AND FROM 15S TO 18S W OF 164E.

.48 HOUR FORECAST SEAS MAINLY 8 TO 12 FT S OF LINE 25S139W 12S160W

18S169W 25S160W.



.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.



.ISOLATED MODERATE TSTMS FROM 12S TO 17S W OF 174E. 



$$



.FORECASTER AHUE. HONOLULU HI.