High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 221034
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC WED FEB 22 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 22 2017.
24 HOUR FORECAST VALID 0600 UTC FEB 23 2017.
48 HOUR FORECAST VALID 0600 UTC FEB 24 2017.

.WARNINGS...

...TROPICAL STORM WARNING...
.TROPICAL CYCLONE BART S OF AREA 26.1S 153.8W 995 MB MOVING ESE 30
KT. TROUGH FROM TC TO 25S155W TO 21S158W MOVING E 15 KT. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER AND SEAS
12 FT OR HIGHER WITHIN 130 NM E SEMICIRCLE...AND 60 NM W SEMICIRCLE
OF TC. WINDS 20 TO 33 KT ELSEWHERE OVER FORECAST WATERS S OF 21S
BETWEEN 151W AND 158W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 90
NM E SEMICIRCLE OF TC. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 210
NM E AND NE OF TROUGH.
.24 HOUR FORECAST TROPICAL CYCLONE BART MOVED FAR S OF AREA.
TROUGH FROM 25S146W TO 19S149W. OVER FORECAST WATERS WINDS 20 TO
25 KT WITHIN 180 NM E OF TROUGH S OF 23S. SEAS DESCRIBED BELOW.
.48 HOUR FORECAST TROUGH MOVED S OF AREA. WINDS DIMINISHED TO 20
KT OR LESS.

...TROPICAL STORM WARNING...
.TROPICAL CYCLONE EIGHT-P/14F 22.8S 169.4W 997 MB MOVING ESE 30 KT.
TROUGH FROM 25S168W TO TC 20S172W TO 13S160E MOVING S SLOWLY.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 34 KT OR GREATER
AND SEAS 12 FT OR HIGHER WITHIN 225 NM NE SEMICIRCLE AND WITHIN 75
NM SW SEMICIRCLE OF TC. WINDS 20 TO 33 KT ELSEWHERE WITHIN 300 NM E
AND NE OF TC AND TROUGH E OF 174E...AND ELSEWHERE WITHIN 90 NM SW
SEMICIRCLE OF TC. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG
TSTMS WITHIN 240 NM E AND NE OF TC AND TROUGH E OF 178W. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS ELSEWHERE WITHIN 510 NM N AND NE
OF TROUGH AND TC. SCATTERED MODERATE TSTMS WITHIN 120 NM SW OF
TROUGH BETWEEN 170W AND 165E.
.24 HOUR FORECAST TROPICAL CYCLONE EIGHT-P/14F MOVED FAR S OF AREA.
TROUGH FROM 25S157W TO 18S176W TO 14S172E TO 15S160E. WINDS 25 TO
40 KT WITHIN 150 NM NE AND E OF TROUGH E OF 167W. WINDS 20 TO 30 KT
ELSEWHERE WITHIN 240 NM NE AND E OF TROUGH E OF 174E...AND WITHIN
300 NM W OF TROUGH S OF 21S. SEAS DESCRIBED BELOW.
.48 HOUR FORECAST TROUGH FROM 25S156W TO 19S168W TO 14S172E TO
14S160E. WINDS 20 TO 30 KT WITHIN 180 NM NE OF TROUGH E OF 172E.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 09S159W TO 15S151W MOVING SW 10 KT. SCATTERED
MODERATE TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 25S146W TO 21S149W MOVING ESE 15 KT. ISOLATED
MODERATE TSTMS WITHIN 150 NM NE OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED S OF AREA.

.RIDGE FROM 23S120W TO 19S145W NEARLY STATIONARY.

.RIDGE FROM 10S148W TO 03S180E TO 02S160E NEARLY STATIONARY.

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

.SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 25S152W TO 17S157W TO
12S176W TO 11S174E.
.24 HOUR FORECAST SEAS 12 TO 18 FT S OF 10S BETWEEN 158W AND 166W.
SEAS 8 TO 12 FT ELSEWHERE S OF 16S BETWEEN 156W AND 170W. SEAS 8 TO
11 FT FROM 12S TO 19S BETWEEN 166W AND 177E. SEAS 8 TO 10 FT S OF
22S BETWEEN 145W AND 153W.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF 10S BETWEEN 148W AND 163W.
SEAS 8 TO 10 FT WITHIN 90 NM OF A LINE FROM 22S163W TO 15S180E.

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

.ITCZ FROM 05S120W TO 06S130W. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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