High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 050321
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC FRI JUN 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 05 2020.
24 HOUR FORECAST VALID 0000 UTC JUN 06 2020.
48 HOUR FORECAST VALID 0000 UTC JUN 07 2020.

.WARNINGS.

...GALE WARNING...
.LOW 24S143W 1007 MB MOVING S 15 KT. FRONT FROM LOW TO 25S140W TO 20S141W
TO 10S150W...CONTINUING AS A TROUGH TO 06S160W TO 06S170W. FRONT SE
OF LOW MOVING S 10 KT. FRONT N OF LOW MOVING E 10 KT. TROUGH MOVING
NNE SLOWLY. WINDS 30 TO 40 KT S OF 22S BETWEEN 147W AND 134W. WINDS
20 TO 30 KT ELSEWHERE S OF A LINE FROM 18S120W TO 16S140W TO 21S143W
TO 16S160W TO 20S174W. SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN
90 NM OF FRONT S OF 12S... AND S OF 16S BETWEEN 136W AND 133W... AND
ISOLATED MODERATE TSTMS ELSEWHERE FROM 17S TO 13S BETWEEN 140W AND 136W...
AND FROM 11S TO 09S BETWEEN 145W AND 140W.
.24 HOUR FORECAST LOW MOVED FAR S OF AREA. FRONT FROM 25S139W TO 11S149W
...CONTINUING AS A TROUGH TO 09S152W TO 08S165W. NE TO E WINDS 20 TO
30 KT E OF FRONT S OF 15S... AND S OF 12 E OF 125W.
.48 HOUR FORECAST FRONT FROM 25S136W TO 15S143W TO 11S150W... CONTINUING
AS A TROUGH TO 10S168W. 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 25S178E TO 17S172E...CONTINUING AS A TROUGH TO 10S165E TO
10S160E. FRONT MOVING E 10 KT...AND TROUGH MOVING ENE SLOWLY. WINDS
20 TO 25 KT SW OF FRONT AND TROUGH. SCATTERED MODERATE TSTMS WITHIN
90 NM OF FRONT AND TROUGH S OF 13S.. AND FROM 15S TO 10S W OF 165E.
.24 HOUR FORECAST FRONT FROM 25S176W TO 20S176E...CONTINUING AS A TROUGH
TO 14S170E TO 09S160E. S TO SE WINDS 20 TO 25 KT W OF FRONT AND TROUGH
FROM 22S TO 11S.
.48 HOUR FORECAST FRONT FROM 25S170W TO 22S180E... CONTINUING AS A TROUGH
TO 14S170E TO 10S160E. S TO SE WINDS 20 TO 25 KT W OF FRONT AND TROUGH
FROM 21S TO 11S.

.TROUGH FROM 05S174E TO 11S178E TO 12S177W MOVING W SLOWLY. NUMEROUS
STRONG TSTMS FROM 15S TO 07S BETWEEN 176E AND 175W. ISOLATED MODERATE
TSTMS ELSEWHERE WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 08S170W TO 11S178W.
.48 HOUR FORECAST TROUGH FROM 09S170E TO 12S174E.

.RIDGE FROM 20S128W TO 10S140W TO 05S150W TO 05S165W MOVING SSW SLOWLY.

.RIDGE FROM 25S173W TO 22S180E MOVING E SLOWLY.

.RIDGE FROM 24S160E TO 23S171E 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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