High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 051059
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU MAR 05 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 05 2015.
24 HOUR FORECAST VALID 0600 UTC MAR 06 2015.
48 HOUR FORECAST VALID 0600 UTC MAR 07 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.DEVELOPING COLD FRONT FROM 30N149W TO 27N151W TO 24N154W MOVING E
15 KT. SCATTERED MODERATE TSTMS WITHIN 270 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N145W TO 26N149W.
.48 HOUR FORECAST FRONT FROM 30N142W TO 25N146W.

.TROUGH DEVELOPING OVER FORECAST AREA.
.48 HOUR FORECAST TROUGH FROM 18N144W TO 24N143W.

.TROUGH FROM 19N154W TO 24N154W. ISOLATED MODERATE TSTMS WITHIN 120
NM OF TROUGH.
.12 HOUR FORECAST TROUGH FROM 20N156W TO 23N155W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 31N165E TO 28N160E.
.24 HOUR FORECAST RIDGE FROM 30N167E TO 27N162E.
.48 HOUR FORECAST RIDGE FROM 30N170E TO 27N164E.

.WINDS 20 TO 30 KT OVER FORECAST WATERS W OF A LINE FROM 30N149W TO
20N156W TO 08N160W. ALSO WINDS 20 TO 25 KT FROM 18N TO 09N E OF
147W.
.24 HOUR FORECAST WINDS 20 TO 30 KT OVER FORECAST WATERS W OF A LINE
FROM 30N149W TO 24N154W TO 08N172W. ALSO WINDS 20 TO 25 KT FROM 15N
TO 09N E OF 145W.
.48 HOUR FORECAST WINDS 20 TO 30 KT OVER FORECAST WATERS W OF A LINE
FROM 30N149W TO 10N159W. WINDS DIMINISHED TO 20 KT OR LESS
ELSEWHERE.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 15 FT FROM 23N TO 13N BETWEEN 165E AND 16N176E. SEAS 8
TO 12 FT ELSEWHERE OVER FORECAST WATERS W OF A LINE FROM 30N149W TO
08N166W. ALSO SEAS 8 TO 10 FT FROM 14N TO 09N E OF 157W.
.24 HOUR FORECAST SEAS 12 TO 15 FT FROM 25N TO 13N BETWEEN 170E AND
170W. SEAS 8 TO 12 FT ELSEWHERE OVER FORECAST WATERS W AND N OF A
LINE FROM 30N156W TO 12N161W TO 05N178W TO 09N160E. ALSO SEAS 8 TO 9
FT FROM 13N TO 09N E OF 145W.
.48 HOUR FORECAST SEAS 8 TO 12 FT WITHIN A POLYGON BOUNDED BY
30N173E 30N152W 24N160W 11N166W 08N173E 11N160E 21N160E 30N173E.
SEAS SUBSIDED TO 8 FT OR LESS ELSEWHERE.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 09N140W TO 11N154W TO 04N168W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 300 NM OF ITCZ BETWEEN 147W AND 161W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 150 OF ITCZ.

.TROPICAL WAVE 02N179W TO 06N177E TO 11N175E MOVING W 15 KT.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM OF WAVE.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS OVER FORECAST WATERS S
OF 03N BETWEEN 165E AND 175E.

$$
.FORECASTER BEDAL. HONOLULU HI.





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