High Seas Forecast
Issued by NWS

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FZPS40 PHFO 252159
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC THU MAY 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 25 2017.
24 HOUR FORECAST VALID 1800 UTC MAY 26 2017.
48 HOUR FORECAST VALID 1800 UTC MAY 27 2017.

.WARNINGS.

...GALE WARNING...
.FRONT 25S152W 19S160W 11S177W THENCE TROUGH TO 11S173E 09S160E.
PART OF FRONT E OF 165W MOVING E TO 15 KT. REST OF FRONT AND TROUGH
NEARLY STATIONARY. WINDS 20 TO 35 KT S OF A LINE 25S160W 22S155W
25S144W. SEE SEAS BELOW. ISOLATED TSTMS WITHIN 100 NM E OF FRONT
E OF 160W. SCATTERED MODERATE TSTMS WITHIN 120 NM N OF TROUGH.
.24 HOUR FORECAST FRONT 25S141W 20S149W 16S165W THENCE TROUGH
TO 12S175W. WINDS SE 20 TO 25 KT S OF FRONT.
.48 HOUR FORECAST DISSIPATING FRONT 25S132W 19S150W 16S165W.
WINDS E TO SE 20 TO 25 KT S OF 10S BETWEEN 140W AND 170W.

.SYNOPSIS AND FORECAST.

.FRONT 25S173E 23S172E 17S165E 15S160E. PART OF FRONT E OF 168E
MOVING E SLOWLY. REST OF FRONT NEARLY STATIONARY.
WINDS N 20 TO 25 KT BETWEEN FRONT AND 180W S OF 23S.
.24 HOUR FORECAST FRONT 25S177E 22S175E 17S165E. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 25S179E 20S174E.

.RIDGE 25S143W 19S150W 16S159W MOVING SE 20 KT.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 8 TO 12 FT S OF A LINE...25S175W 17S168W 25S145W.
SEAS 8 TO 9 FT BETWEEN 21S AND 10S E OF 138W.
.24 HOUR FORECAST SEAS 10 TO 13 FT S OF A LINE 20S160W 21S153W
25S145W. SEAS 8 TO 10 FT ELSEWHERE S OF A LINE 17S170W 17S160W
25S143W. SEAS 8 TO 10 FT S OF 05S E OF 130W.
.48 HOUR FORECAST SEAS 10 TO 13 FT S OF A LINE 17S157W 19S144W
25S133W. SEAS 8 TO 10 FT ELSEWHERE S OF A LINE...14S168W
12S150W 25S131W. SEAS 8 TO 10 FT BETWEEN 03SAND 22S E OF 130W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.SCATTERED MODERATE TSTMS IN THE FOLLOWING AREAS...
BETWEEN 170W AND 165W N OF 08S...FROM 155W TO 148W BETWEEN
02S AND 08S.

$$

.FORECASTER LAU. HONOLULU HI.



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