High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 011700
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 01 2015.
24 HOUR FORECAST VALID 1200 UTC AUG 02 2015.
48 HOUR FORECAST VALID 1200 UTC AUG 03 2015.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 09S170E 1002 MB MOVING S SLOWLY. TROUGHS FROM 08S176W TO
10S177E THROUGH LOW TO 08S166E. WINDS 30 TO 35 KT WITHIN 300 NM OF
LOW S QUADRANT. WINDS 20 TO 30 KT ELSEWHERE BOUNDED BY 06S160E
06S172E 11S178W 13S165W 19S164W 24S176E 23S160E 06S160E. SEAS 12 TO
15 FT WITHIN 300 NM OF LOW S QUADRANT. SEAS 8 TO 12 FT ELSEWHERE
BOUNDED BY 06S160E 06S172E 11S178E 15170W 25S179W 25S171E 17S166E
17S160E 06S160E. NUMEROUS STRONG TSTMS WITHIN 480 NM OF LOW SE
QUADRANT. SCATTERED STRONG TSTMS ELSEWHERE N OF A LINE FROM 08S160E
15S169E 13S176W.
.24 HOUR FORECAST LOW NEAR 10S170E 1001 MB. TROUGH FROM 13S176W TO
13S177E THROUGH LOW TO 08S165E. WINDS 30 TO 40 KT WITHIN 360 NM OF
LOW S QUADRANT. WINDS 20 TO 30 KT ELSEWHERE BOUNDED BY 08S160E
08S172E 11S178W 13S165W 19S164W 25S177W 25S168E 20S160E 08S160E.
SEAS 12 TO 18 FT WITHIN 600 NM SE QUADRANT AND 300 NM SW QUADRANT.
SEAS 8 TO 12 FT ELSEWHERE BOUNDED BY 08S160E 08S172E 11S178W 15S169W
25S179W 25S174E 20S167E 20S160E 08S160E.
.48 HOUR FORECAST LOW NEAR 10S170E 1002 MB. FRONT FROM 13S176W TO
13S177E TO LOW. WINDS 30 TO 35 KT WITHIN 300 NM OF LOW S QUADRANT.
WINDS 20 TO 30 KT ELSEWHERE BOUNDED BY 08S160E 08S172E 11S178W
13S165W 19S164W 25S177W 25S168E 20S160E 08S160E. SEAS 12 TO 18 FT
WITHIN 600 NM SE QUADRANT AND 300 NM SW QUADRANT. SEAS 8 TO 12 FT
ELSEWHERE BOUNDED BY 08S160E 08S172E 11S178W 15S169W 25S179W
25S174E 20S167E 20S160E 08S160E.

.SYNOPSIS AND FORECAST.

.FRONT 22S120W TO 19S128W MOVING E 10 KT.
.12 HOUR FORECAST FRONT DISSIPATED.

.FRONT 25S141W 23S144W 22S148W MOVING NE 15 KT. WINDS 20 TO 25 KT S
OF 23S BETWEEN 146W AND 134W.
.24 HOUR FORECAST FRONT 25S132W 22S137W 19S140W. WINDS 20 TO 30 KT
WITHIN 360 NM E OF FRONT AND S OF 22S BETWEEN 142W AND FRONT.
.48 HOUR FORECAST FRONT 25S125W 21S133W 19S141W 16S149W.

.STATIONARY FRONT 16S149W 13S161W 13S176W.

.RIDGE 15S120W 15S125W.
.24 HOUR FORECAST RIDGE 15S120W 13S130W.
.48 HOUR FORECAST RIDGE 15S120W 11S144W.

.RIDGE 25S174W 22S165W 19S155W.

.OTHERWISE SEAS 8 TO 10 FT S OF LINE 20S120W 20S130W 24S140W
23S162W 24S173W.
.24 HOUR FORECAST SEAS 8 TO 10 FT SW AND S OF LINE 25S132W 22S145W
22S167W.
.48 HOUR FORECAST SEAS 8 TO 12 FT SW AND S OF LINE 25S120W 21S131W
21S159W.

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

.ISOLATED MODERATE STRONG TSTMS N OF 15S BETWEEN 176W AND 162W.
ISOLATED MODERATE TSTMS N OF 03S BETWEEN 158W AND 140W.


$$
.HONOLULU HI.





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