High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 070415
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE JUL 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 0000 UTC JUL 07 2015.
24 HOUR FORECAST VALID 0000 UTC JUL 08 2015.
48 HOUR FORECAST VALID 0000 UTC JUL 09 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TYPHOON NANGKA JUST W OF FORECAST AREA 13.0N 155.6E MOVING WNW 11
KT. WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 21N TO TO 11N W OF
162E. ISOLATED MODERATE TO STRONG TSTMS FROM 19N TO 07N W OF 164E.
.24 HOUR FORECAST TYPHOON NANGKA FAR W OF FCST AREA. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS AND SEAS SUBSIDED TO 8 FT OR LOWER.
.SEE BULLETINS ISSUED UNDER WMO HEADER WTPN33 PGTW BY JTWC FOR MORE
INFORMATION ON TYPHOON NANGKA.

.LOW...LIKELY DEVELOPING TROPICAL CYCLONE...APPROACHING FORECAST
AREA FROM E.
.24 HOUR FORECAST LOW E OF FORECAST AREA NEAR 15N139W 1006 MB. WINDS
INCREASING TO 20 TO 25 KT AND SEAS BUILDING TO 8 TO 10 FT FROM 21N
TO 14N E OF 148W.
.48 HOUR FORECAST LOW NEAR 17N144W 1005. WINDS 25 TO 30 KT WITHIN
180 NM OF LOW N SEMICIRCLE. WINDS 20 TO 25 KT ELSEWHERE FROM 23N TO
14N E OF 153W. SEAS 8 TO 12 FT FROM 23N TO 14N E OF 152W.

.LOW NEAR 11N147W 1007 MB MOVING W SLOWLY. TROUGHS FROM LOW TO
13N144W TO 140N140W AND FROM LOW TO 09N152W TO 07N155W. SCATTERED
STRONG TSTMS FROM 16N TO 06N E OF 147W. ISOLATED MODERATE TO STRONG
TSTMS ELSEWHERE S OF 18N E OF 160W.
.24 HOUR FORECAST LOW NEAR 11N150W 1007 MB. TROUGHS FROM LOW TO
13N146W AND FROM LOW TO 11N156W.
.48 HOUR FORECAST LOW NEAR 11N153W 1008 MB.

.LOW NEAR 08N167W 1007 MB MOVING NE SLOWLY. TROUGHS FROM LOW TO
08N160W AND FROM LOW TO 07N174W TO 07N179W TO 10N175E. SCATTERED
STRONG TSTMS WITHIN 480 NM OF LOW S AND SE QUADRANTS AND WITHIN 240
NM OF LOW REMAINING QUADRANTS. ISOLATED MODERATE TO STRONG TSTMS
ELSEWHERE WITHIN 300 NM EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST LOW NEAR 09N166W 1007 MB. TROUGHS FROM LOW TO
10N161W AND FROM LOW TO 07N171W TO 06N177W.
.48 HOUR FORECAST LOW NEAR 10N165W 1006 MB. TROUGHS FROM LOW TO
12N161W AND FROM LOW TO 06N169W TO 05N174W.

.STATIONARY FRONT 30N164W TO 26N173W TO 23N179E TO 23N170E.
.36 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

$$
.FORECASTER A BEDAL. HONOLULU HI.





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