High Seas Forecast
Issued by NWS

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FZPS40 PHFO 292139
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT APR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 29 2017.
24 HOUR FORECAST VALID 1800 UTC APR 30 2017.
48 HOUR FORECAST VALID 1800 UTC MAY 01 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 11S166E 1007 MB MOVING E SLOWLY. TROUGH 12S176W TO LOW TO
09S160E MOVING S SLOWLY E OF LOW AND NEARLY STATIONARY ELSEWHERE.
SCATTERED MODERATE TSTMS WITHIN 300 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 12S168E 1006 MB. TROUGH 14S177W TO LOW TO
09S160E. WINDS 20 TO 25 KT WITHIN 180 NM NE QUADRANT OF LOW.
.48 HOUR FORECAST LOW 13S170E 1006 MB. TROUGH 15S176W TO LOW TO
09S160E. WINDS 20 TO 25 KT WITHIN 120 NM NE QUADRANT OF LOW.

.LOW 22S159W 1009 MB NEARLY STATIONARY AND DISSIPATING. TROUGH
25S155W TO LOW TO 14S165W MOVING E 10 KT. ISOLATED MODERATE TSTMS
WITHIN 240 NM E OF LOW AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 25S148W 18S153W.
.48 HOUR FORECAST TROUGH 25S135W 18S138W.

.FRONT 25S173E 18S165E MOVING E 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM E OF FRONT.
.24 HOUR FORECAST FRONT 25S179E 17S168E.
.48 HOUR FORECAST FRONT 25S176W 18S172E.

.RIDGE 25S135W 18S150W 13S160W 13S168W MOVING E SLOWLY AND ERODING
FROM THE W.

.RIDGE 25S176E 18S171E MOVING E SLOWLY.

.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 18S W OF 172E.

.WINDS 20 KT OR LESS REST OF AREA.

.SEAS 8 TO 11 FT S OF 08S E OF 134W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 04S E OF 127W.
.48 HOUR FORECAST SEAS 8 10 FT S OF 22S BETWEEN 162E AND 177E.

.SEAS 8 FT OR LOWER REST OF AREA.

.ISOLATED MODERATE TSTMS FROM 05S TO 13S BETWEEN 140W AND
150W...FROM 01S TO 04S BETWEEN 150W AND 157W AND N OF 05S BETWEEN
165E AND 175E.

$$

.FORECASTER BURKE. HONOLULU HI.



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