000
FZPS40 PHFO 221547
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE OCT 22 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 22 2019.
24 HOUR FORECAST VALID 1200 UTC OCT 23 2019.
48 HOUR FORECAST VALID 1200 UTC OCT 24 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S162W TO 21S165W TO 19S169W TO 14S177W...CONTINUING
AS A TROUGH TO 12S176E TO 05S160E. FRONT MOVING E 15 KT S OF 19S...
NEARLY STATIONARY ELSEWHERE. TROUGH MOVING S SLOWLY. SE WINDS 20 TO
25 KT WITHIN 180 NM SW OF TROUGH W OF 167E. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 210 NM OF TROUGH W OF 176W. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF FRONT AND TROUGH BETWEEN 173W AND
179E.
.24 HOUR FORECAST FRONT FROM 25S157W TO 19S166W TO 18S177W...
CONTINUING AS A TROUGH TO 14S176E TO 10S168E. WINDS DIMINISHED TO
20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 25S154W TO 19S164W TO 16S176W...
CONTINUING AS A TROUGH TO 12S173E.

.WEAKENING FRONT FROM 17S120W TO 18S130W...CONTINUING AS A TROUGH
TO 20S139W TO 19S143W TO 22S155W. FRONT NEARLY STATIONARY. TROUGH
MOVING S SLOWLY. NE TO E WINDS 20 TO 30 KT WITHIN 300 NM S OF
TROUGH E OF 150W. ISOLATED MODERATE TSTMS S OF 20S E OF 132W...AND
S OF 19S BETWEEN 132W AND 148W.
.24 HOUR FORECAST NEW LOW 20S139W 1011 MB. TROUGH FROM 17S120W TO
19S133W TO LOW TO 22S152W. NE TO E WINDS 20 TO 25 KT FROM LOW AND
TROUGH TO 23S BETWEEN 127W AND 142W.
.48 HOUR FORECAST LOW 20S137W 1010 MB. TROUGH FROM 19S120W TO
LOW TO 21S151W. NE TO E WINDS 20 TO 25 KT FROM LOW AND TROUGH TO
23S BETWEEN 130W AND 140W.

.COLD FRONT FROM 25S179E TO 20S160E MOVING ENE SLOWLY. SE WINDS 20
TO 25 KT S OF COLD FRONT W OF 166E. ISOLATED MODERATE TSTMS WITHIN
60 NM OF COLD FRONT.
.24 HOUR FORECAST FRONT FROM 25S175W TO 21S176E TO 17S160E. SE
WINDS 20 TO 25 KT FROM FRONT TO 23S W OF 170E.
.48 HOUR FORECAST FRONT FROM 25S165W TO 18S177E TO 11S160E. SE
WINDS 20 TO 25 KT FROM FRONT TO 20S W OF 180E.

.TROUGH FROM 11S160E TO 15S168E TO 17S177E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM NE...AND WITHIN 240 NM SW OF
TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S157W TO 22S160W MOVING ESE 10 KT.

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

.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 22S BETWEEN 137W AND 143W...
AND S OF 24S BETWEEN 179E AND 172E.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE FROM 25S169W TO
20S180E TO 15S176E TO 15S171E TO 21S164E. SEAS 8 TO 9 FT S OF 21S
BETWEEN 125W AND 137W.

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

$$

.FORECASTER HOUSTON. HONOLULU HI.