High Seas Forecast
Issued by NWS

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FZPS40 PHFO 042131
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC THU JUN 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC JUN 04 2020.
24 HOUR FORECAST VALID 1800 UTC JUN 05 2020.
48 HOUR FORECAST VALID 1800 UTC JUN 06 2020.

.WARNINGS.

...GALE WARNING...
.LOW 24S143W 1007 MB MOVING S 15 KT. FRONT FROM 25S141W TO LOW TO
17S140W TO 11S151W...CONTINUING AS A TROUGH TO 06S160W TO 06S170W.
FRONT SE OF LOW MOVING S 15 KT. FRONT N OF LOW MOVING E 10 KT. TROUGH
MOVING NNE SLOWLY. SE WINDS 30 TO 35 KT WITHIN 300 NM W AND SW QUADRANTS
OF LOW. N TO NE WINDS 25 TO 35 KT WITHIN 270 NM NE AND SE QUADRANTS
OF LOW. WINDS 20 TO 30 KT ELSEWHERE S OF A LINE FROM 18S120W TO 17S140W
TO LOW TO 16S150W TO 17S170W. SCATTERED MODERATE TO LOCALLY STRONG TSTMS
S OF 12S BETWEEN 142W AND 136W... AND ISOLATED MODERATE TSTMS ELSEWHERE
S OF 21S BETWEEN 136W AND 133W... AND S OF 20S BETWEEN 148W AND 145W.
.24 HOUR FORECAST LOW MOVED FAR S OF AREA. FRONT FROM 25S138W TO 19S140W
TO 13S148W...CONTINUING AS A TROUGH TO 09S152W TO 08S165W. N TO NE WINDS
25 TO 35 KT WITHIN 420 NM E OF FRONT S OF 22S. NE TO E WINDS 20 TO 30
KT ELSEWHERE E OF FRONT S OF 15S... AND S OF 10S E OF 130W.
.48 HOUR FORECAST FRONT FROM 25S136W TO 10S149W TO 10S150W... CONTINUING
AS A TROUGH TO 10S170W. N TO NE WINDS 25 TO 30 KT WITHIN 300 NM S OF
20S E OF 138W. WINDS 20 TO 25 KT S OF 10S E OF 130W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S176E TO 17S171E...CONTINUING AS A TROUGH TO 10S165E
TO 08S160E. FRONT MOVING E 10 KT...AND TROUGH MOVING ENE SLOWLY. WINDS
20 TO 25 KT SW OF FRONT AND TROUGH. SCATTERED MODERATE TO STRONG TSTMS
FROM 18S TO 03S BETWEEN 172E AND 175W. SCATTERED MODERATE TSTMS FROM
15S TO 10S W OF 166E.
.24 HOUR FORECAST FRONT FROM 25S179W TO 20S176E...CONTINUING AS A TROUGH
TO 10S167E TO 10S160E. S TO SE WINDS 20 TO 25 KT W OF FRONT AND TROUGH
FROM 23S TO 11S.
.48 HOUR FORECAST FRONT FROM 25S173W TO 20S175E... CONTINUING AS A TROUGH
TO 10S166E TO 10S160E. S TO SE WINDS 20 TO 25 KT W OF FRONT AND TROUGH
FROM 21S TO 11S.

.RIDGE FROM 21S127W TO 10S140W TO 05S150W TO 04S164W MOVING SSW SLOWLY.

.RIDGE FROM 25S174W TO 22S177E MOVING E SLOWLY.

.RIDGE FROM 25S160E TO 21S169E MOVING E SLOWLY.

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

.SEAS 12 TO 15 FT S OF A LINE FROM 18S120W TO 20S140W TO 20S155W. SEAS
8 TO 12 FT S OF A LINE FROM 14S160E TO 25S172E... AND ELSEWHERE S OF
A LINE FROM 03S120W TO 16S145W TO 14S170W.
.24 HOUR FORECAST SEAS 12 TO 16 FT S OF 22S BETWEEN 155W AND 133W.
SEAS 12 TO 14 FT S OF 20S BETWEEN 165E AND 178E. SEAS 8 TO 12 FT ELSEWHERE
S OF A LINE FROM 02S120W TO 01S130W TO 19S137W TO 11S170W... AND ELSEWHERE
SW OF A LINE FROM 10S160E TO 25S175W.
.48 HOUR FORECAST SEAS 12 TO 13 FT S OF 24S BETWEEN 133W AND 138W...
SEAS 8 TO 12 FT S OF A LINE FROM 02S120W TO 20S140W TO 16S160W... AND
S OF A LINE FROM 10S160E TO 20S167W.

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

$$

.FORECASTER SHIGESATO. HONOLULU HI.



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