High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 300515
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU JUL 30 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 30 2015.
24 HOUR FORECAST VALID 0000 UTC JUL 31 2015.
48 HOUR FORECAST VALID 0000 UTC AUG 01 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 07S168E 1006 MB NEARLY STATIONARY. WINDS 25 TO 30 KT
WITHIN 240 NM OF LOW S SEMICIRCLE. REMAINING WINDS INCLUDED BELOW.
SCATTERED STRONG ISOLATED SEVERE TSTMS WITHIN 300 NM OF LOW NW
QUADRANT. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE N OF 12S W OF
177E.
.24 HOUR FORECAST LOW NEAR 09S168E. WINDS 25 TO 30 KT WITHIN 480 NM
OF LOW S AND SE QUADRANTS. REMAINING WINDS INCLUDED BELOW.
.48 HOUR FORECAST LOW NEAR 09S168E. TROUGH FROM LOW TO 14S173E TO
14S179W. WINDS 25 TO 30 KT WITHIN 360 NM S OF TROUGH. REMAINING
WINDS INCLUDED BELOW.

.COLD FRONT FROM 25S134W TO 20S140W TO 16S148W. FRONT MOVING E 15 KT
S OF 20S AND SLOWLY NE N OF 20S. WINDS 20 TO 30 KT S OF 20S WITHIN
480 NM E OF FRONT. WINDS 20 TO 25 KT S OF 23S WITHIN 480 NM W OF
FRONT. SEAS 8 TO 11 FT S OF 23S BETWEEN 149W AND 120W. SCATTERED
MODERATE TSTMS S OF 23S WITHIN 360 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S126W TO 20S131W TO 17S139W TO
14S147W. WINDS 20 TO 30 KT S OF 201S WITHIN 600 NM EITHER SIDE OF
FRONT. SEAS 8 TO 13 FT S OF 23S BETWEEN 145W AND 120W.
.48 HOUR FORECAST FRONT FROM 23S120W TO 20S125W TO 18S131W. WINDS
20 TO 25 KT S OF 23S WITHIN 360 NM EITHER SIDE OF FRONT. SEAS 8 TO
11 FT S OF 20S E OF 138W.

.COLD FRONT NEAR 25S172W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT FROM 25S158W TO 23S162W TO 23S168W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 25S149W TO 23S152W TO
21S156W.

.STATIONARY FRONT FROM 16S148W TO 14S154W TO 13S162W TO 12S174W.
ISOLATED MODERATE TSTMS WITHIN 150 NM OF FRONT.
.24 HOUR FORECAST DISSIPATING FRONT FROM 17S138W TO 15S147W TO
13S157W TO 13S168W.
.48 HOUR FORECAST TROUGH FROM 11S164W TO 15S155W TO 17S142W.

.RIDGE FROM 21S120W TO 16S130W TO 12S141W.
.24 HOUR FORECAST RIDGE FROM 19S120W TO 13S134W.
.48 HOUR FORECAST RIDGE FROM 17S120W TO 15S130W.

.RIDGE BUILDING OVER FORECAST AREA.
.24 HOUR FORECAST RIDGE FROM 25S179E TO 18S168W.
.48 HOUR FORECAST RIDGE FROM 25S179E TO 18S168W TO 18S156W.

.OTHERWISE AND ELSEWHERE WINDS 20 TO 25 KT WITHIN A POLYGON BOUNDED
BY 06S160E 06S166E 11S177W 23S179E 23S160E 06S160E.
.24 HOUR FORECAST WINDS 20 TO 25 KT WITHIN A POLYGON BOUNDED BY
06S160E 06S166E 11S177W 25S179E 25S168E 20S160E 06S160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN A POLYGON BOUNDED BY
08S160E 08S171E 13S176W TO 13S165W 25S177W 25S174E 19S160E 08S160E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 12 WITHIN A POLYGON BOUNDED BY 03S160E 03S168E
11S179W 18S176E 25S178W 25S160E 03S160E.
.24 HOUR FORECAST SEAS 8 TO 12 FT WITHIN A POLYGON BOUNDED BY
06S160E 05S171E 11S179E 20S179W 25S168W 25S167E 20S160E 06S160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT WITHIN A POLYGON BOUNDED BY
06S160E 06S164E 14S176W 25S176W 25S170E 19S160E 06S160E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS N OF 04S BETWEEN 170W AND 155W.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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