High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 292143
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC THU SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 29 2016.
24 HOUR FORECAST VALID 1800 UTC SEP 30 2016.
48 HOUR FORECAST VALID 1800 UTC OCT 01 2016.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA NEAR 16.9N 139.W MOVING NW 07 KT. MAX WINDS
35 KT GUSTS 45 KT. WINDS 35 KT WITHIN 30 NM E SEMICIRCLE AND 20
NM NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE WITHIN 120 NM N
SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 8 TO 12 FT WITHIN 150 NM N
SEMICIRCLE AND 60 NM S SEMICIRCLE. ISOLATED MODERATE TSTMS WITHIN
90 NM OF CENTER.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NEAR 18.3N 142.9W.
WINDS 20 TO 25 KT AND SEAS 8 TO 11 FT WITHIN 90 NM N SEMICIRCLE
AND 30 NM S SEMICIRCLE.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW NEAR 18.2N 147.6W.
WINDS DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 10 FT WITHIN 60 NM N
SEMICIRCLE AND 20 NM S SEMICIRCLE.

.72 HOUR FORECAST DISSIPATED.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 16N170E TO 08N160E MOVING W 10 KT. SCATTERED MODERATE
TSTMS W OF LINE FROM 20N171E TO 12N169E TO 04N165E.
.24 HOUR FORECAST TROUGH FROM 16N165E TO 12N160E.
.48 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.TROUGH FROM 15N157W TO 08N165W MOVING W SLOWLY. SCATTERED
MODERATE TO STRONG TSTMS FROM 07N TO 14N BETWEEN 153W AND 165W.
.24 HOUR FORECAST TROUGH FROM 14N163W TO 07N171W DISSIPATING.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW FRONT FROM 30N165E TO 28N160E.

.RIDGE FROM 30N160W TO 28N180W TO 28N160E MOVING NE SLOWLY AND
ERODING FROM THE W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA.

.ITCZ FROM 13N142W TO 12N153W AND FROM 10N161W TO 09N177E.
ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ.

$$

.FORECASTER BURKE. HONOLULU HI.


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