High Seas Forecast
Issued by NWS

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FZPS40 PHFO 181538
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18 2017.
24 HOUR FORECAST VALID 1200 UTC NOV 19 2017.
48 HOUR FORECAST VALID 1200 UTC NOV 20 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S175W 19S180W THENCE TROUGH TO 14S170E 11S160E. FRONT
MOVING SE 10 KT. TROUGH NEARLY STATIONARY. SCATTERED STRONG TSTMS
BOUNDED BY 03S172E 14S178E 13S160E 03S172E. ISOLATED MODERATE TSTMS
WITHIN 200 NM NE OF FRONT.
.24 HOUR FORECAST FRONT 25S174W 22S174W THENCE TROUGH TO 10S170E.
.48 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 25S172W 18S175W.

.TROUGH 25S130W 20S131W 15S135W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS S OF 18S BETWEEN 123W AND 140W.
.24 HOUR FORECAST FRONT TROUGH 25S128W 15S135W.
48 HOUR FORECAST TROUGH 25S125W 18S132W.

.RIDGE 25S170W 10S180W 01S170E MOVING SW 10 KT.

.RIDGE 18S177E 20S170E 25S160E MOVING SE 10 KT.

.SEAS 8 TO 11 FT S OF LINE 25S178E 22S174E 25S165E. SEAS 8 TO 9 FT
S OF LINE 25S130W 15S155W 25S165W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 25S125S 20S140W 25S150W
AND S OF 20S W OF 175E. SEAS 8 FT FROM 17S TO 20S BETWEEN 150W AND
160W.
.48 HOUR FORECAST SEAS 8 FT S OF 22S E OF 155W.

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

$$
.HONOLULU FORECASTER.



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