High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 050335
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON DEC 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 05 2016.
24 HOUR FORECAST VALID 0000 UTC DEC 06 2016.
48 HOUR FORECAST VALID 0000 UTC DEC 07 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 30N162W 1008 MB MOVING NNE SLOWLY. TROUGH FROM LOW TO
25N161W TO 17N163W NEARLY STATIONARY. N WINDS 20 TO 25 KT OVER
FORECAST WATERS WITHIN 240 NM W QUADRANT OF LOW. ISOLATED
MODERATE TSTMS WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA. TROUGH 30N159W TO
24N163W. WINDS DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 29N158W TO 26N168W.

.LOW 29N155W 1007 MB. TROUGH FROM LOW TO 24N157W. LOW AND TROUGH
MOVING NE 15 KT. SE WINDS 20 TO 30 KT WITHIN 390 NM E OF TROUGH
AND OVER FORECAST WATERS N OF LOW. SCATTERED MODERATE TSTMS
WITHIN 180 NM OF LOW AND TROUGH. ISOLATED MODERATE TSTMS FROM 23N
TO 17N BETWEEN 153W AND 158W.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA. TROUGH 30N152W
TO 25N153W TO 20N153W. SE TO S WINDS 20 TO 25 KT BETWEEN TROUGH
AND 148W.
.48 HOUR FORECAST TROUGH 30N149W TO 21N153W. WINDS DECREASED TO
20 KT OR LESS.

.FRONT 30N177E TO 28N169E TO 29N160E MOVING E 15 KT E OF 169E AND
NEARLY STATIONARY ELSEWHERE. NE WINDS 20 TO 25 KT OVER FORECAST
WATERS N OF FRONT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N180E TO 27N177E. NE WINDS 20 TO 25 KT
WITHIN 90 NM OF FRONT.
.48 HOUR FORECAST FRONT 30N170W TO 26N177W. NE WINDS 20 TO 25 KT
OVER FORECAST WATERS N OF FRONT.

.TROUGH 14N161W TO WEAK LOW 07N179W 1008 MB TO 04N180E TO 04N170E
NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF
TROUGH AND FROM 18N TO 10N BETWEEN 149W AND 161W.
.24 HOUR FORECAST TROUGH FROM 18N158W TO 10N167W TO 05N175W. LOW
DISSIPATED.
.48 HOUR FORECAST TROUGH 18N161W TO 10N170W.

.RIDGE 30N180E TO 28N176E MOVING E 15 KT.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 10 TO 13 FT N OF 22N BETWEEN 149W AND 173W. SEAS 8 TO 10 FT
ELSEWHERE N OF A LINE FROM 10N140W TO 11N170W TO 04N175E TO
05N160E...EXCEPT SEAS 8 FT OR LESS N OF 24N BETWEEN 178W AND 173E.
.24 HOUR FORECAST SEAS 10 TO 12 FT N OF 28N BETWEEN 178E AND 170E.
SEAS 8 TO 10 FT ELSEWHERE N OF A LINE FROM 30N146W TO 15N150W TO
07N160E. SEAS 8 TO 9 FT FROM 17N TO 10N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N157W TO
13N174E TO 30N171E.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ 09N140W TO 11N145W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
ITCZ.

.ISOLATED MODERATE TSTMS FROM 08N TO 04N W OF 165E.

$$

.FORECASTER WROE. HONOLULU HI.


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