656
FZPS40 PHFO 202205
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 20 2019.
24 HOUR FORECAST VALID 1800 UTC JAN 21 2019.
48 HOUR FORECAST VALID 1800 UTC JAN 22 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 11S160E 11S165E 18S175E NEARLY STATIONARY. WINDS 20 TO 25
KT S OF TROUGH W OF 170E. SCATTERED MODERATE TSTMS WITHIN 300 NM
NE OF TROUGH. ISOLATED MODERATE TSTMS WITHIN 150 SW OF TROUGH.
.24 HOUR FORECAST TROUGH 11S160E 16S171E. WINDS 20 TO 25 KT FROM
17S TO 21S W OF 170E.
.48 HOUR FORECAST TROUGH 10S160E 15S166E. WINDS 20 TO 25 KT FROM
16S TO 20S W OF 169E.

.TROUGH 25S173W 18S176E MOVING E SLOWLY. ISOLATED MODERATE TSTMS
S OF 20S BETWEEN 169W AND 180W.
.24 HOUR FORECAST NEW LOW 24S170W 1007 MB. TROUGH FROM LOW TO
16S177W. WINDS 20 TO 25 KT WITHIN 240 NM SE OF LOW.
.48 HOUR FORECAST LOW 24S168W 1005 MB. TROUGHS FROM LOW TO
15S174W...AND FROM LOW TO 24S158W. WINDS 20 TO 30 KT WITHIN 240 NM
SW QUADRANT OF LOW...AND WITHIN 90 NM OF TROUGH E OF LOW. SEAS 8
TO 9 FT S OF 23S BETWEEN 163W AND 173W.

.TROUGH 08S180W 10S170W 13S157W MOVING SW SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 150 NM OF TROUGH W OF 169W. ISOLATED
MODERATE TSTMS WITHIN 200 NM N OF TROUGH ELSEWHERE.
.24 HOUR FORECAST TROUGH 12S177E 15S158W.
.48 HOUR FORECAST TROUGH 12S176E 16S160W.

.FRONT 25S148W 19S158W MOVING NE SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 240 NM NE OF FRONT S OF 20S.
.24 HOUR FORECAST FRONT 25S146W 19S154W.
.48 HOUR FORECAST FRONT WEAKENED TO TRO 25S146W 19S157W.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 8 FT OR LESS ENTIRE AREA.

$$

.FORECASTER ALMANZA. HONOLULU HI.