National Weather Service United States Department of Commerce

380
FZPS40 PHFO 222137
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 22 2019.
24 HOUR FORECAST VALID 1800 UTC SEP 23 2019.
48 HOUR FORECAST VALID 1800 UTC SEP 24 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S155W TO 20S158W TO 17S160W MOVING SLOWLY. NE WINDS
20 TO 25 KT S OF 20S BETWEEN FRONT AND 147W. ISOLATED MODERATE
TSTMS WITHIN 90 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S152W TO 20S158W TO 16S165W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 25S142W TO 20S148W TO 14S155W.

.FRONT FROM 25S120W TO 22S130W TO 20S143W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT FROM 21S120W TO 20S130W TO 19S140W. SE
WINDS 20 TO 25 KT S OF 20S E OF 126W.
.48 HOUR FORECAST FRONT FROM 17S120W TO 17S130W DISSIPATING.

.TROUGH FROM 06S160E TO 08S180E TO 10S170W TO 17S160W NEARLY
STATIONARY AND ERODING FROM THE E. SCATTERED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 180 NM S AND 120 NM N OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 07S160E TO 08S175E TO 12S167W.
.48 HOUR FORECAST TROUGH FROM 07S160E TO 10S175E TO 11S177W.

.RIDGE FROM 22S120W TO 21S125W MOVING NE 15 KT.

.RIDGE FROM 25S145W TO 19S153W MOVING NE 15 KT.

.RIDGE FROM 25S175W TO 22S161W MOVING E 15 KT.

.SE TO E WINDS 20 TO 30 KT FROM 08S TO 22S W OF 175E. SE TO E
WINDS 20 TO 25 KT FROM 09S TO 20S BETWEEN 172W AND 175E AND FROM
10S TO 20S BETWEEN 135W AND 150W.
.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 09S TO 18S W OF
175W.
.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 10S TO 18S W OF
170E AND FROM 10S TO 18S BETWEEN 148W AND 165W.

.SEAS 12 TO 16 FT S OF LINE FROM 25S178W TO 20S172W TO 20S160W TO
25S154W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 08S160E TO
10S178W TO 18S150W TO 18S145W TO 10S140W TO 06S120W.
.24 HOUR FORECAST SEAS 12 TO 13 FT FROM 16S TO 20S BETWEEN 160W
AND 172W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 10S160E TO
08S168E TO 08S178W TO 10S170W TO 10S145W TO 10S120W.
.48 HOUR FORECAST SEAS 8 TO 11 FT FROM 06S TO 20S BETWEEN 148W
AND 178W. SEAS 8 TO 10 FT FROM 09S TO 16S W OF 175E AND S OF 09S E
OF 135W. SEAS 8 TO 9 FT S OF 23S BETWEEN 150W AND 162W.

.REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER.

.ISOLATED MODERATE TSTMS FROM 07S TO 11S BETWEEN 150W AND 158W AND
N OF 03S W OF 168E.

$$

.FORECASTER BURKE. HONOLULU HI.