High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 231000
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON JAN 23 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 23 2017.
24 HOUR FORECAST VALID 0600 UTC JAN 24 2017.
48 HOUR FORECAST VALID 0600 UTC JAN 25 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT W OF FORECAST AREA NR 30N152E TO 25N145E MOVING ESE 25 KT.
S WINDS 20 TO 35 KT N OF 26N W OF 170E.
.12 HOUR FORECAST FRONT 30N165E TO 24N160E. SW WINDS 25 TO 40 KT
N OF  28N BETWEEN FRONT AND 168E. SW WINDS 20 TO 25 KT ELSEWHERE
BETWEEN FRONT AND 172E N OF 26N.
.24 HOUR FORECAST DISSIPATING COLD FRONT 30N171E TO 25166E TO 21N160E.
SW WIND 20 TO 30 KT BETWEEN FRONT AND 175E N OF 26N. W WINDS 20 TO
30 KT W OF FRONT N OF 27N.
.48 HOUR FORECAST DISSIPATING FRONT 30N179W TO 27N175E TO 19N160E.
SW WINDS 20 TO 30 KT N OF 28N BETWEEN FRONT AND 170W N OF 28N.
W WINDS 20 TO 25 KT W OF FRONT N OF 29N.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N172W TO 25N180W THENCE WARM FRONT TO 24N170E TO
29N160E. N END COLD FRONT MOVING E 30 KT. WARM FRONT MOVING NE 25 KT.
SW WINDS 20 TO 30 KT BETWEEN FRONT AND 165W N OF 28N. NE WINDS 20 TO
25 KT WITHIN 150 NM N OF FRONT E OF 170E.
.24 HOUR FORECAST FRONT 30N156W TO 28N164W TO 28N174W TO 30N180W.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.DISSIPATING FRONT 19N140W TO 18N145W TO 18N158W E END MOVING S
SLOWLY BECOMING NEARLY STATIONARY W OF 150W. E TO NE WINDS 25 TO
30 KT BETWEEN 23N AND 16N E OF 160W. E TO NE WINDS 20 TO 25 KT
ELSEWHERE BETWEEN 25N AND 08N E OF 165W.
.24 HOUR FORECAST FRONT DISSIPATED. E WINDS 20 TO 30 KT BETWEEN 21N
AND 07N E OF 165W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT BETWEEN 20N AND 10N E
OF 160W.

.E TO NE WINDS 20 TO 25 KT BETWEEN 20N AND 07N W OF 165W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT BETWEEN 19N AND 06N W
OF 165W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT BETWEEN 18N AND 06N
FROM 160W TO 170E.

.RIDGE 30N156W TO 24N176W MOVING E 30 KT.

.RIDGE 30N147W TO 27N140W MOVING NE TO 20 KT.

.SEAS 12 TO 18 FT N OF A LINE...30N175W TO 27N180W TO 20N166E TO
30N163E. SEAS 12 TO 17 FT NE OF A LINE FROM 30N146 TO 22N140W.
SEAS 8 TO 14 FT ELSEWHERE E OF A LINE FROM 30N150W TO 26N164W
TO 06N164W. SEAS 8 TO 12 FT ELSEWHERE N OF 04N.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 26N160E TO
30N166E...FROM 30N176E TO 26N179W TO 26N170W TO 30N160W.
SEAS 8 FT OR LESS N OF 25N FROM 145W TO 156W...BETWEEN 25N AND
18N W OF 167E...AND S OF 04N. ELSEWHERE SEAS 8 TO 12 FT.
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N173W TO
22N156W TO 30N144W. SEAS 12 TO 15 FT N OF A LINE FROM 30N180W
TO 25N167E TO 27N160E. SEAS 8 FT OR LESS E OF A LINE FROM
28N140W TO 21N146W AND S OF 04N. ELSEWHERE SEAS 8 TO 12 FT.

.OTHERWISE WINDS 20 TO OR LESS AND SEAS 8 FT OR LOWER.

.ITCZ 07N140W TO 05N160W TO 03N175W. ISOLATED TSTMS WITHIN
200 NM OF ITCZ E OF 155W.

.SCATTERED MODERATE TSTMS S OF 08N W OF 170E.

$$

.FORECASTER LAU. HONOLULU HI.



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