High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 251525
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON JUL 25 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC JUL 25 2016.
24 HOUR FORECAST VALID 1200 UTC JUL 26 2016.
48 HOUR FORECAST VALID 1200 UTC JUL 27 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION DARBY NEAR 22.3N 160.3W 1011 MB MOVING W 10
KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT
WITHIN 180 NM NE QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR
HIGHER WITHIN 60 NM N SEMICIRCLE. SEAS 8 TO 12 FT ELSEWHERE WITHIN
180 NM N SEMICIRCLE. SCATTERED MODERATE TO STRONG TSTMS WITHIN 240
NM NE QUADRANT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW DARBY NEAR 24.2N
163.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WINDS 20 TO 25
KT WITHIN 150 NM N SEMICIRCLE. SEAS DIMINISHED TO 8 FT OR LOWER.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW DARBY DISSIPATED.
TROUGH FROM 30N163W TO 24N164W. WINDS DIMINISHED TO 20 KT OR LESS,

.TROUGH FROM 29N170E TO 20N168E MOVING W SLOWLY. SE WINDS 20 TO 25
KT WITHIN 360 NM E OF TROUGH N OF 24N. SCATTERED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 390 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 30N167E TO 23N168E TO 20N165E. SE
WINDS 20 TO 25 KT WITHIN 180 NM E OF TROUGH N OF 25N.
.48 HOUR FORECAST WEAKENING TROUGH FROM 30N164E TO 22N162E. SE
WINDS 20 TO 25 KT WITHIN 180 NM E OF TROUGH N OF 28N.

.WEAK TROUGH FROM 27N149W TO 22N148W MOVING WNW 10 KT.
.24 HOUR FORECAST WEAK TROUGH FROM 30N155W TO 26N156W.
.48 HOUR FORECAST TROUGH MOVED N OF AREA.

.RIDGE FROM 30N150W TO 23N153W MOVING W SLOWLY.

.RIDGE FROM 30N168E TO 22N160E NEARLY STATIONARY.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.EXCEPT FOR SEAS ASSOCIATED WITH T.D. DARBY...SEAS 8 TO 10 FT N OF
24N BETWEEN 178E AND 172E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 25N BETWEEN 174E AND 168E.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N BETWEEN 168E AND 165E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 08N TO 15N BETWEEN 160W AND 177W...
AND FROM 02N TO 13N BETWEEN 177W AND 166E.

.ITCZ FROM 10N140W TO 07N154W. SCATTERED MODERATE TO STRONG TSTMS
WITHIN 180 NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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