FZPN40 PHFO 111524
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT JUL 11 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 11 2020.
24 HOUR FORECAST VALID 1200 UTC JUL 12 2020.
48 HOUR FORECAST VALID 1200 UTC JUL 13 2020.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING FRONT FROM 30N180E TO 26N174E NEARLY STATIONARY. 
.24 HOUR FORECAST FRONT DISSIPATED. NEW FRONT FROM 30N178E TO 
27N173E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N176E TO 27N172E.

.TROUGH FROM 12N155W TO 06N158W MOVING W 15 KT. ISOLATED MODERATE 
TO LOCALLY STRONG TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 12N163W TO 06N165W. 
.48 HOUR FORECAST TROUGH FROM 11N171W TO 07N172W. 

.TROUGH FROM 11N175W TO 04N177W MOVING W 15 KT. ISOLATED MODERATE 
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED. 

.TROUGH FROM 24N169E TO 19N164E MOVING W 15 KT.
.24 HOUR FORECAST TROUGH DISSIPATED. 

.WEAK TROUGH FROM 28N162W TO 25N167W MOVING WNW 10 KT.
.24 HOUR FORECAST WEAK TROUGH FROM 29N168W TO 26N170W.
.48 HOUR FORECAST WEAK TROUGH FROM 30N171W TO 27N173W.

.NE TO E WINDS 20 TO 25 KT FROM 09N TO 22N BETWEEN 149W AND 158W...
FROM 09N TO 17N BETWEEN 158W AND 177W...AND FROM 08N TO 15N W OF 
173E. 
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 
152W AND 170W...AND FROM 08N TO 17N BETWEEN 170W AND 177E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 17N BETWEEN 
168W AND 180E.

.24 HOUR FORECAST NEW TROUGH FROM 13N140W TO 09N143W.
.48 HOUR FORECAST TROUGH FROM 13N143W TO 08N145W.

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW CRISTINA JUST E OF 
AREA 23.8N 139.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW CRISTINA 24.0N 144.0W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.HIGH W OF AREA MOVING ESE 20 KT. RIDGE FROM HIGH TO 29N160E TO
28N171E BUILDING E SLOWLY.
.24 HOUR FORECAST HIGH 29N164E 1020 MB. 
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE FROM 30N171W TO 25N177E MOVING NNW SLOWLY.

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

.SEAS 8 TO 9 FT FROM 10N TO 17N BETWEEN 150W AND 160W. 
.24 HOUR FORECAST SEAS 8 TO 11 FT FROM 09N TO 18N BETWEEN 154W AND 
168W. SEAS 8 TO 9 FT FROM 08N TO 13N BETWEEN 173W AND 177E.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 08N TO 17N BETWEEN 160W AND
174W. 

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

.MONSOON TROUGH FROM 11N140W TO 09N152W. ISOLATED MODERATE TSTMS 
WITHIN 120 NM OF MONSOON TROUGH. 

.ITCZ FROM 07N161W TO 06N166W TO 07N172W...AND FROM 06N180E TO 
04N170E TO 04N160E. NUMEROUS MODERATE TO STRONG TSTMS FROM 01N TO 
07N W OF 169E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ 
BETWEEN 180E AND 169E...AND WITHIN 180 NM N OF ITCZ BETWEEN 166W 
AND 172W.

$$

.FORECASTER HOUSTON. HONOLULU HI.