Expires:No;;010492
FZPN40 PHFO 090324
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED APR 09 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 09 2025.
24 HOUR FORECAST VALID 0000 UTC APR 10 2025.
48 HOUR FORECAST VALID 0000 UTC APR 11 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 27N140W 26N149W 19N156W MOVING W SLOWLY.
.24 HOUR FORECAST COLD FRONT 30N142W 25N149W THENCE TROUGH 18N158W.
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 27N140W 23N153W 21N160W. 

.12 HOUR FORECAST NEW FRONT 30N152W 28N162W. N TO NE WINDS 20 TO 
25 KT N OF FRONT.
.24 HOUR FORECAST FRONT MERGED WITH TROUGH DESCRIBED ABOVE. 
ASSOCIATED WINDS DESCRIBED BELOW. 

.TROUGH FROM 25N177E 19N171E MOVING W 10 KT. ISOLATED MODERATE 
TSTMS WITHIN 180 NM OF TROUGH. 
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT JUST W OF AREA MOVING E 25 KT. ISOLATED MODERATE TSTMS 
N OF 27N W OF 166E. 
.24 HOUR FORECAST FRONT 30N166E 26N160E.
.48 HOUR FORECAST FRONT 30N177E 23N171E.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 26N BETWEEN 161W AND 174W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 18N TO 24N BETWEEN 
165W AND 177W...AND N OF 27N BETWEEN 143W AND 165W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 20N TO 26N 
BETWEEN 145W AND 166W. 

.SEAS 8 TO 11 FT S OF 28N E OF 177E. 
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY 30N145W 23N158W 
05N158W 05N179E 28N179E 30N167W. SEAS 8 TO 10 FT S OF 18N E OF 150W. 
.48 HOUR FORECAST SEAS 8 TO 13 FT WITHIN 720 NM OF A LINE FROM 
30N146W 25N159W 11N180E. 

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

$$

.FORECASTER BIRCHARD. HONOLULU HI.