High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 171530
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI NOV 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 17 2017.
24 HOUR FORECAST VALID 1200 UTC NOV 18 2017.
48 HOUR FORECAST VALID 1200 UTC NOV 19 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S176E 12S174E 06S168E MOVING E 15 KT S OF 15S AND W
SLOWLY ELSEWHERE. SCATTERED STRONG TSTMS WITHIN 120 NM OF LINE
21S173W 13S177E...ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 200 NM
OF LINE 21S174W 08S175E 07S160E.
.24 HOUR FORECAST TROUGH 25S177W 16S180W 12S175E 11S160E.
.48 HOUR FORECAST TROUGH 25S174W 17S178W 11S171E.

.TROUGH 15S130W 25S135W MOVING E 10 KT S OF 20S AND W SLOWLY
ELSEWHERE.
.24 HOUR FORECAST TROUGH 25S130W 15S135W.
.48 HOUR FORECAST TROUGH 25S128W 18S133W.

.RIDGE 25S164W 17S175W 12S176E MOVING NE SLOWLY.

.RIDGE 12S172E 18S165E 25S160E MOVING SE SLOWLY.

.WINDS 20 TO 25 KT S OF 23S BETWEEN 160W AND 170W.
.24 HOUR  FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.SEAS 8 TO 9 FT S OF 21S BETWEEN 152W AND 173W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 25S180W 23S173E
25S168E. SEAS 8 TO 9 FT S OF LINE 25S132W 16S155W 25S163W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 22S BETWEEN 125W AND 150W
AND S OF 20S W OF 175E.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.HONOLULU FORECASTER.


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