High Seas Forecast
Issued by NWS

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FZPS40 PHFO 261533
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED APR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 26 2017.
24 HOUR FORECAST VALID 1200 UTC APR 27 2017.
48 HOUR FORECAST VALID 1200 UTC APR 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 10S166E 1010 MB MOVING SW SLOWLY. TROUGH 08S160E TO LOW TO
10S176E MOVING S SLOWLY W OF LOW AND NEARLY STATIONARY ELSEWHERE.
ISOLATED MODERATE TO STRONG TSTMS N OF LINE 14S160E TO 18S176E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 10S160E TO 12S165E TO
10S175E.
.48 HOUR FORECAST NEW LOW 13S165E 1010 MB. TROUGH 09S160E TO LOW
TO 12S172E.

.LOW 12S177W 1010 MB MOVING W SLOWLY. TROUGH 10S176E TO LOW TO
18S171W TO 24S170W NEARLY STATIONARY W OF LOW AND MOVING W SLOWLY
ELSEWHERE. SCATTERED MODERATE TO STRONG TSTMS FROM 07S TO 14S
BETWEEN 156W AND 161W. ISOLATED MODERATE TO STRONG TSTMS N OF LINE
18S176E TO 20S160W TO 25S178W...AND ELSEWHERE BETWEEN 178W AND 155W.
.24 HOUR FORECAST LOW 13S177W 1008 MB. TROUGH 10S175E TO LOW TO
22S170W TO 25S169W.
.48 HOUR FORECAST LOW 12S178E 1010 MB. TROUGH 12S172E TO LOW TO
16S171W TO 22S167W.

.TROUGH 24S120W TO 20S121W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S126W TO 20S126W.
.48 HOUR FORECAST TROUGH MERGED WITH NEW FRONT 25S122W TO 21S123W.

.48 HOUR FORECAST NEW FRONT 25S165W TO 22S167W MOVING E 15 KT.

.RIDGE 03S160E TO 04S172W TO 06S165W TO 11S161W MOVING SW SLOWLY.

.RIDGE 23S160E TO 25S165E MOVING E SLOWLY AND WEAKENING FROM THE W.

.SEAS 8 TO 12 FT S OF 09S E OF 136W. SEAS 8 TO 10 FT S OF 17S
BETWEEN 136W AND 155W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 04S E OF 130W...AND S OF 21S
BETWEEN 155W AND 174W. SEAS 8 TO 9 FT S OF 23S BETWEEN 130W AND 149W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 03S120W TO 15S127W TO
21S135W TO 19S159W. SEAS 8 TO 9 FT S OF 15S BETWEEN 159W AND 166W.

.WINDS 20 KT OR LESS ENTIRE AREA.

.SEAS 8 FT OR LESS REMAINDER OF AREA.

.ITCZ 03S120W TO 03S131W TO 05S140W TO 06S148W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 210 NM S OF ITCZ BETWEEN 134W AND 141W. ISOLATED
MODERATE TSTMS ELSEWHERE N OF 10S E OF 155W.

.ISOLATED MODERATE TSTMS FROM 11S TO 14S BETWEEN 146W AND 149W...AND
FROM 15S TO 23S BETWEEN 127W AND 142W.

$$

.HONOLULU HI.



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