High Seas Forecast
Issued by NWS

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869
FZPN40 PHFO 231540
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 23 2017.
24 HOUR FORECAST VALID 1200 UTC JAN 24 2017.
48 HOUR FORECAST VALID 1200 UTC JAN 25 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT W OF FORECAST AREA NR 30N158E TO 26N150E MOVING ESE
25 KT. S WINDS 20 TO 35 KT N OF 26N W OF 170E.
.06 HOUR FORECAST FRONT 30N165E TO 24N160E. SW WINDS 25 TO 40 KT
N OF  28N BETWEEN FRONT AND 170E. SW WINDS 20 TO 25 KT ELSEWHERE
BETWEEN FRONT AND 173E N OF 26N. W WINDS 20 TO 30 KT W OF FRONT
N OF 26N.
.24 HOUR FORECAST DISSIPATING COLD FRONT 30N174E TO 25170E TO
20N160E. SW WIND 20 TO 30 KT BETWEEN FRONT AND 178E N OF 27N.
W WINDS 20 TO 30 KT W OF FRONT N OF 27N.
.48 HOUR FORECAST DISSIPATING FRONT 30N179W TO 28N177E TO
24N170E TO 19N160E. SW WINDS 20 TO 25 KT N OF 28N BETWEEN FRONT
AND 170W N OF 28N. W WINDS DIMINISHED TO 20 KT OR LESS W OF
FRONT.

.SYNOPSIS AND FORECAST.

.FRONT 30N168W TO 26N175W TO 24N177E TO 28N168E. PART OF FRONT E
OF 175W MOVING E 30 KT. PORTION W OF 177W MOVING NE TO 25 KT.
NEARLY STATIONARY FOR REST OF FRONT. SW WINDS 20 TO 25 KT BETWEEN
FRONT AND 160W N OF 29N.
.24 HOUR FORECAST FRONT 30N154W TO 29N158W TO 29N166W TO 30N172W.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.DISSIPATING FRONT 19N140W TO 18N145W TO 17N155W NEARLY STATIONARY.
E TO NE WINDS 25 TO 30 KT BETWEEN 23N AND 15N E OF 160W. E TO NE
WINDS 20 TO 25 KT ELSEWHERE BETWEEN 25N AND 06N E OF 165W.
.24 HOUR FORECAST FRONT DISSIPATED. E WINDS 20 TO 25 KT BETWEEN 20N
AND 06N E OF 165W.
.48 HOUR FORECAST E TO NE WINDS DIMINISHED TO 20 KT OR LESS.

.E TO NE WINDS 20 TO 25 KT BETWEEN 20N AND 05N 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 05N W
OF 165W.

.RIDGE 30N155W TO 25N172W MOVING E 30 KT.

.RIDGE 30N144W TO 28N140W MOVING NE TO 20 KT.

.SEAS 12 TO 17 FT N OF A LINE...30N172W TO 25N180W TO 20N170E TO
30N166E. SEAS 12 TO 16 FT NE OF A LINE FROM 30N146W TO 28N143W TO
23N140W. SEAS 8 TO 14 FT ELSEWHERE E OF A LINE FROM 30N145W TO
22N163W TO 06N163W. SEAS 8 TO 12 FT ELSEWHERE N OF 05N.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 26N160E TO
30N172E...FROM 30N180W TO 25N180W TO 25N165W TO 30N155W.
SEAS 8 FT OR LESS N OF 25N FROM 144W TO 152W...BETWEEN 24N AND
18N W OF 170E...AND S OF 05N. ELSEWHERE SEAS 8 TO 12 FT.
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 27N160E TO
27N173E TO 30N180W...AND N OF A LINE FROM 30N170W TO 21N156W TO
30N141W. SEAS 8 TO 12 FT ELSEWHERE N OF 04N. REST OF AREA...SEAS
8 FT OR LESS.

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

.ITCZ 06N140W TO 07N152W TO 04N170W. ISOLATED TSTMS WITHIN 200
NM N OF ITCZ E OF 160W.

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


$$

.FORECASTER LAU. HONOLULU HI.



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