High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 050415
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN JUL 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 05 2015.
24 HOUR FORECAST VALID 0000 UTC JUL 06 2015.
48 HOUR FORECAST VALID 0000 UTC JUL 07 2015.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM NANGKA 11.1N 164.7E MOVING W 12 KT.  MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 65 KT. WINDS 34 KT OR GREATER AND SEAS
12 FT OR HIGHER WITHIN 75 NM NE QUADRANT...60 NM SE QUADRANT...50 NM
SW QUADRANT...60 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 8 TO 12
FT ELSEWHERE WITHIN 360 NM OF CENTER N SEMICIRCLE AND WITHIN 180 NM
OF CENTER S SEMICIRCLE. SCATTERED MODERATE TO STRONG TSTMS WITHIN
240 NM OF CENTER. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 360 NM OF
CENTER.
.24 HOUR FORECAST TYPHOON NANGKA JUST W FCST AREA 11.7N 159.6E.
WINDS 34 KT OR GREATER AND SEAS 12 FT OR HIGHER OVER FORECAST WATERS
WITHIN 100 NM OF CENTER N SEMICIRCLE AND WITHIN 90 NM OF CENTER S
SEMICIRCLE. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN
600 NM OF OF CENTER N SEMICIRCLE AND WITHIN 240 NM OF CENTER S
SEMICIRCLE.
.48 HOUR FORECAST TYPHOON NANGKA FAR W FCST AREA. WINDS 20 TO 33 KT
AND SEAS 8 TO 12 FT FROM 20N TO 09N W OF 161E.
.SEE WTPN33 PGTW BULLETIN ISSUED BY JTWC FOR MORE INFORMATION.

.SYNOPSIS AND FORECAST.

.LOW NEAR 13N140W 1007 MB MOVING W SLOWLY. ISOLATED MODERATE TO
STRONG TSTMS OVER FORECAST WATERS WITHIN 240 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 13N142W 1009 MB.
.48 HOUR FORECAST LOW MERGED WITH LOW DESCRIBED IMMEDIATELY BELOW.

.LOW NEAR 09N165W 1007 MB NEARLY STATIONARY. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 210 NM SW SEMICIRCLE. ISOLATED MODERATE TSTMS
FROM 13N TO 02N BETWEEN 150W AND 143W.

.LOW NEAR 09N165W 1008 MB MOVING W SLOWLY. ISOLATED MODERATE TO
STRONG TSTMS FROM 13N TO 00N BETWEEN 170W AND 150W.
.24 HOUR FORECAST LOW NEAR 10N167W 1008 MB.
.48 HOUR FORECAST LOW NEAR 07N165W 1008 MB.

.COLD FRONT FROM 30N169W TO 30N170W TO 27N175W TO 25N178E MOVING SE
10 KT.
.24 HOUR FORECAST FRONT FROM 30N167W TO 26N172W TO 23N177W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N165W TO 26N171W TO
23N177W.

.RIDGE FROM 30N153W TO 23N158W.
.24 HOUR FORECAST RIDGE FROM 30N155W TO 25N163W.
.48 HOUR FORECAST RIDGE FROM 30N158W TO 28N160W.

.RIDGE FROM 30N165E TO 25N172E TO 20N178W.
.48 HOUR FORECAST RIDGE FLATTENED.

.OTHERWISE WINDS INCREASING TO 25 KT OR GREATER.
.48 HOUR FORECAST WINDS 25 KT FROM 19N TO 15N BETWEEN 150W AND 142W.

.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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