High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 270330
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON MAR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 27 2017.
24 HOUR FORECAST VALID 0000 UTC MAR 28 2017.
48 HOUR FORECAST VALID 0000 UTC MAR 29 2017.

.WARNINGS.

...GALE WARNING...
.RELOCATED FRONT NEAR 30N156E TO 23N150E MOVING E 25 KT. WINDS S
AND SW INCREASING TO 20 TO 35 KT N OF LINE 30N166E 27N160E.
.12 HOUR FORECAST FRONT 30N162E TO 26N160E. WINDS SW 30 TO 40 KT
BETWEEN FRONT AND 164E N OF 28N. SW WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE...30N170E TO 26N160E.
.24 HOUR FORECAST FRONT 30N166E TO 25N160E. WINDS SW 20 TO 35 KT
N OF ALINE 30N177E TO 27N168E TO 24N160E.
.36 HOUR FORECAST FRONT 30N172E TO 25N167E TO 21N160E.
W WINDS 30 TO 45 KT W OF FRONT N OF 28N. WINDS W OF FRONT N OF
25N...W 20 TO 30 KT. E OF FRONT...SW WINDS 25 TO 40 KT N OF A
LINE FROM 30N179E TO 25N166E. SW WINDS 20 TO 25 KT ELSEWHERE
N OF A LINE...30N175W TO 27N175E TO 23N160E.
.48 HOUR FORECAST FRONT 30N178E TO 23N170E TO 19N160E.
WINDS 25 TO 40 KT N OF A LINE...30N162E 27N170E 27N180W 30N175W.
WINDS 20 TO 25 KT ELSEWHERE N OF A LINE...27N160E 25N170E
25N180W 30N167W.

.SYNOPSIS AND FORECAST.

.FRONT 30N174W TO 26N173E MOVING E TO 30 KT. FRONT MERGING WITH
FRONT DESCRIBED BELOW.
.24 HOUR FORECAST FRONT 30N162W TO 28N170W TO 26N180W. PART OF
FRONT W OF 165W MOVING N AS A WARM FRONT.
.48 HOUR FORECAST WARM FRONT MOVED N OF FORECAST AREA.

.FRONT 30N169W TO 27N175W TO 25N180W MOVING E NEAR 10 KT. SW
WINDS 20 TO 25 KT WITHIN 160 NM E OF FRONT N OF 28N. SCATTERED
TSTMS WITHIN 120 NM OF FRONT. FRONT TO BE ABSORBED BY
AFOREMENTIONED FRONT. REFER TO FRONT ABOVE.

.FRONT 29N140W TO 28N143W TO 29N148W MOVING S TO 10 KT AND
DISSIPATING.
.24 HOUR FORECAST FRONT DISSIPATED.

.RIDGE 30N152W TO 21N180W MOVING E 10 KT.

.WINDS E 20 TO 25 KT FROM 05N TO 20N E OF 170W...AND FROM 05N TO
13N W OF 170W.
.24 HOUR FORECAST WINDS E 20 TO 25 KT BETWEEN 06N AND 19N E OF 160W
AND BETWEEN 06N AND 15N FROM 160W TO 180W.
.48 HOUR FORECAST WINDS E 20 TO 25 KT BETWEEN 06N AND 17N E OF 165W.

.OTHERWISE WINDS 20 KT OR LESS.

.SEAS 12 TO 13 FT N OF 21N BETWEEN 148W AND 163W.
SEAS 8 TO 12 FT ELSEWHERE E OF A LINE FROM 30N163W TO 08N168E TO
00N173W...HIGHEST BETWEEN 20N AND 06N FROM 154W TO 164W. SEAS 8 TO
10 FT N OF 27N E OF 170E.
.24 HOUR FORECAST SEAS 8 TO 11 FT E OF A LINE...30N174E 26N172W
06N170E TO  00N179W. SEAS 8 TO 11 FT N OF A LINE...30N168E TO
27N160E.
.48 HOUR FORECAST SEAS 18 TO 27 FT N OF A LINE...30N174E TO 24N160E.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE...30N178E TO 22N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE...30N174W TO 20N160E.
SEAS 8 TO 11 FT E OF A LINE FROM 30N174W TO 06N172E TO 00N175W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ITCZ 03N178W TO 06N167E TO 04N160E. NUMEROUS MODERATE TO STRONG
TSTMS WITHIN 200 NM OF ITCZ.

.ISOLATED TSTMS WITHIN 100 NM OF A POINT 06N146W.


$$

.FORECASTER LAU. HONOLULU HI.



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