High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 221213 CCA
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC MON JAN 22 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 22 2018.
24 HOUR FORECAST VALID 0600 UTC JAN 23 2018.
48 HOUR FORECAST VALID 0600 UTC JAN 24 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 25S163W TO 16S167W TO 10S175E TO 06S160E MOVING SW
SLOWLY. E TO NE WINDS 20 TO 30 KT SEAS 8 TO 11 FT S OF 20S BETWEEN
TROUGH AND 150W...AND SE WINDS 20 TO 25 KT SEAS 8 TO 10 FT BETWEEN
TROUGH AND 178E S OF 15S. WIDELY SCATTERED MODERATE TSTMS WITHIN
300 NM N AND E OF TROUGH
.24 HOUR FORECAST TROUGH FROM 25S166W TO 16S173W TO 11S175E TO
08S160E. E TO NE WINDS 20 TO 30 KT SEAS 8 TO 10 FT BETWEEN TROUGH
AND 157W S OF 23S. SE WINDS DIMINISHED TO 20 KT OR LESS...SEAS
LOWERED TO 8 FT OR LESS.
.48 HOUR FORECAST TROUGH FROM 25S171W TO 15S179W TO 11S160E.
E TO NE WINDS 20 TO 25 KT S OF 20S BETWEEN 150W AND 162W.

.RIDGE FROM 25S170E TO 13S160E MOVING SW SLOWLY AND ERODING FROM E.

.RIDGE FROM 17S158W TO 07S171W 03S170E NEARLY STATIONARY.

.E WINDS 20 TO 25 KT S OF 12S E OF 130W.
.24 HOUR FORECAST E WINDS DIMINISHED TO 20 KT OR LESS.

.48 HOUR FORECAST E WINDS 20 TO 25 KT S OF 20S W OF 163E.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.COR SEAS ELSEWHERE 8 TO 9 FT S OF 12S E OF 130W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 15S E OF 130W.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

.SCATTERED MODERATE ISOLATED STRONG TSTMS BETWEEN 04S AND 13S FROM
180W TO 162E. ISOLATED TSTMS BETWEEN 15S AND 23S FROM 130W AND 145W.

$$

.FORECASTER LAU. HONOLULU HI.



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