National Weather Service United States Department of Commerce

000
FZPS40 PHFO 051533
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 05 2020.
24 HOUR FORECAST VALID 1200 UTC AUG 06 2020.
48 HOUR FORECAST VALID 1200 UTC AUG 07 2020.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S129W TO 20S141W TO 17S158W MOVING E 15 KT S OF
20S...AND NEARLY STATIONARY ELSEWHERE. NW WINDS 20 TO 25 KT WITHIN
330 NM E OF FRONT S OF 23S. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
FRONT S OF 22S...AND FROM 16S TO 20S BETWEEN 153W AND 164W.
.24 HOUR FORECAST FRONT FROM 25S121W TO 22S130W TO 19S147W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT FROM 23S120W TO 21S130W TO
21S139W.

.COLD FRONT FROM 25S165W TO 20S167W TO 16S175W...CONTINUING AS A
TROUGH TO 14S180E TO 08S171E. COLD FRONT MOVING E 10 KT...AND
TROUGH MOVING SW SLOWLY. N TO NE WINDS 20 TO 25 KT WITHIN 120 NM E
OF COLD FRONT S OF 23S. ISOLATED MODERATE TSTMS WITHIN 120 NM OF E
AND NE OF COLD FRONT S OF 24S...AND N OF 21S.
.24 HOUR FORECAST FRONT FROM 25S162W TO 19S166W TO 18S172W...
CONTINUING AS A TROUGH TO 16S180E TO 13S173E. N TO NE WINDS 20 TO
30 KT WITHIN 180 NM E OF FRONT S OF 23S.
.48 HOUR FORECAST FRONT FROM 25S159W TO 20S164W TO 17S172W...
CONTINUING AS A TROUGH TO 16S178W TO 13S174E. N TO NE WINDS 20 TO
25 KT WITHIN 330 NM E OF FRONT S OF 23S.

.COLD FRONT FROM 25S174W TO 23S178E MOVING E 10 KT.
.24 HOUR FORECAST COLD FRONT FROM 25S169W TO 23S180E.
.48 HOUR FORECAST COLD FRONT FROM 25S164W TO 22S176W.

.TROUGH FROM 25S163E TO 21S162E MOVING E 10 KT.
.24 HOUR FORECAST DISSIPATING TROUGH FROM 25S168E TO 21S165E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.E WINDS 20 TO 25 KT N OF 08S BETWEEN 137W AND 178W.
.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT N OF 08S BETWEEN 138W
AND 170W...AND FROM 04S TO 15S W OF 173E.
.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT N OF 11S BETWEEN 134W
AND 155W...AND FROM 03S TO 15S W OF 170E.

.RIDGE FROM 22S120W TO 19S136W MOVING ENE SLOWLY...AND GRADUALLY
ERODING FROM THE W.

.RIDGE FROM 25S145W TO 22S141W MOVING E 10 KT.

.RIDGE FROM 25S155W TO 17S165W MOVING E 10 KT.

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

.SEAS 8 TO 10 FT S OF 20S E OF 134W. SEAS 8 TO 9 FT N OF 03S
BETWEEN 164W AND 175W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 07S BETWEEN 146W AND 159W...
N OF 04S BETWEEN 174W AND 178E...FROM 07S TO 18S E OF 128W...AND
FROM 08S TO 11S W OF 168E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 04S TO 14S E OF 130W...AND
FROM 04S TO 11S W OF 169E.

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

.ISOLATED MODERATE TSTMS FROM 02S TO 12S W OF 168E...N OF 05S
BETWEEN 179W AND 177E...AND S OF 20S BETWEEN 148W AND 160W.

$$

.FORECASTER HOUSTON. HONOLULU HI.