National Weather Service United States Department of Commerce

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FZPS40 PHFO 181525
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 18 2018.
24 HOUR FORECAST VALID 1200 UTC NOV 19 2018.
48 HOUR FORECAST VALID 1200 UTC NOV 20 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 23S178W 1007 MB MOVING S SLOWLY. TROUGH FROM LOW TO 22S173W TO
19S169W NEARLY STATIONARY.
.24 HOUR FORECAST LOW DISSIPATED S OF FORECAST AREA. TROUGH
DISSIPATED. NEW TROUGH FROM 25S175W TO 21S179E TO 17S178E.
.48 HOUR FORECAST TROUGH FROM 25S171W TO 20S174W.

.FRONT FROM 25S147W TO 20S156W TO 14S172W THENCE TROUGH TO 11S175E
TO 10S166E TO 05S160E. FRONT MOVING E 10 KT S OF 20S...AND NEARLY
STATIONARY ELSEWHERE. TROUGH NEARLY STATIONARY. NW WINDS 20 TO 25 KT
WITHIN 240 NM E OF FRONT S OF 23S. ISOLATED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 240 NM N AND NE OF TROUGH W OF 175E. ISOLATED
MODERATE TSTMS WITHIN 270 NM NE AND E OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S141W TO 20S151W TO 18S165W TO
15S171W THENCE TROUGH TO 11S178W TO 10S166E TO 05S160E. WINDS EASED
TO 20 KT OR LESS OVER FORECAST WATERS.
.48 HOUR FORECAST FRONT FROM 25S135W TO 20S143W TO 17S153W. TROUGH
FROM 16S171W TO 12S177W. SECOND TROUGH FROM 12S171E TO 10S164E TO
05S160E.

.WEAK FRONT FROM 25S167E TO 20S160E MOVING ENE 15 KT.
.24 HOUR FORECAST WEAK FRONT FROM 25S175E TO 21S170E TO 18S163E.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS. REMNANT
TROUGHS FROM 25S179E TO 21S175E...AND FROM 22S166E TO 17S163E.

.RIDGE FROM 25S127W TO 15S150W TO 10S165W TO 06S170E NEARLY
STATIONARY.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 FT OR LESS ENTIRE FORECAST AREA.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 24S BETWEEN 163E AND 168E.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

$$

.FORECASTER KINEL. HONOLULU HI.


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