High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 062236
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON JUL 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 06 2015.
24 HOUR FORECAST VALID 1800 UTC JUL 07 2015.
48 HOUR FORECAST VALID 1800 UTC JUL 08 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TYPHOON NANGKA JUST W OF FORECAST AREA 12.7N 156.7E MOVING WNW 11
KT. WINDS 20 TO 25 KT AND SEAS 8 TO 11 FT FROM 21N TO TO 11N W OF
162E. ISOLATED MODERATE TO STRONG TSTMS FROM 19N TO 07N W OF 166E.
.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...POSSIBLE DEVELOPING TROPICAL CYCLONE...APPROACHING FORECAST
AREA FROM E.
.36 HOUR FORECAST LOW NEAR 15N141W 1006 MB. WINDS 20 TO 25 KT WITHIN
270 NM OF CENTER N SEMICIRCLE...90 NM OF CENTER S SEMICIRCLE. SEAS
BUILDING TO 8 TO 12 FT FROM 21N TO 13N E OF 146W.
.48 HOUR FORECAST LOW NEAR 16N143W 1004 MB. WINDS 20 TO 30 KT WITHIN
360 NM OF CENTER N SEMICIRCLE AND WITHIN 120 NM OF CENTER S
SEMICIRCLE. SEAS 8 TO 15 FT FROM 23N TO 13N E OF 149W.

.LOW NEAR 11N149W 1007 MB NEARLY STATIONARY. NUMEROUS MODERATE TO
STRONG TSTMS WITHIN A BAND FROM 180 NM TO 720 NM OF CENTER E AND SE
QUADRANTS. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE S OF 16N W OF
160E.
.48 HOUR FORECAST LOW NEAR 12N150W 1009 MB.

.LOW NEAR 08N168W 1008 MB MOVING ENE SLOWLY. TROUGHS FROM LOW TO
08N164W TO 07N160W AND FROM LOW TO 07N174W TO 09N179W. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 300 NM OF TROUGH AXIS E OF 168W AND
WITHIN 150 NM N OF TROUGH AXIS W OF 168W. ISOLATED MODERATE TSTMS
ELSEWHERE S OF 12N BETWEEN 179W AND 160W.
.24 HOUR FORECAST LOW NEAR 08N166W 1006 MB. TROUGHS FROM LOW TO
09N162W TO 09N160W AND FROM LOW TO 07N169W TO 06N173W TO 08N178W.
.48 HOUR FORECAST LOW NEAR 09N165W 1008 MB. TROUGHS FROM LOW TO
11N160W AND FROM LOW TO 06N168W TO 04N173W TO 06N178W.

.STATIONARY FRONT FROM 30N166W TO 27N173W TO 23N179E TO 23N169E.
.48 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS WITHIN 60 NM EITHER SIDE OF A
LINE FROM 17N166E TO 09N179W.

$$
.FORECASTER A BEDAL. HONOLULU HI.





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