National Weather Service United States Department of Commerce

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FZPN40 PHFO 152222
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI FEB 15 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 15 2019.
24 HOUR FORECAST VALID 1800 UTC FEB 16 2019.
48 HOUR FORECAST VALID 1800 UTC FEB 17 2019.

.WARNINGS.

...GALE WARNING...
.LOW 19N154W 101O MB MOVING E SLOWLY...EXPECTED TO TURN N AFTER
12 HOURS. TROUGH FROM LOW TO 24N154W NEARLY STATIONARY. NE WINDS
30 TO 35 KT FROM 21N TO 25N BETWEEN 152W AND 154W. ELSEWHERE
WINDS 20 TO 30 KT N OF A LINE FROM 23N140W TO LOW TO 18N163W TO
30N160W. ISOLATED MODERATE TSTMS FROM 21N TO 25N BETWEEN 152W AND
155W...AND FROM 16N TO 19N BETWEEN 146W AND 150W.
.24 HOUR FORECAST LOW 24N153W 1011 MB. TROUGH FROM 25N153W TO LOW TO
17N157W. WINDS 30 TO 40 KT N OF LINE FROM 23N144W TO 26N152W TO
25N157W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE FROM 19N140W TO
25N152W TO 22N158W TO 24N161W.
.48 HOUR FORECAST LOW 25N157W 1012 MB. TROUGH FROM 30N154W TO
27N157W TO LOW TO 20N158W. WINDS 30 TO 35 KT N OF 25N BETWEEN
157W AND 161W. WINDS 20 TO 30 KT ELSEWHERE BOUNDED BY A LINE
FROM 10N140W TO 17N150W TO LOW TO 20N160W TO 10N166W TO 06N180W
TO 24N180W TO 30N170W TO 30N140W TO 10N140W.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 13N147W TO 08N152W TO 03N156W NEARLY STATIONARY.
E WINDS 20 TO 30 KT FROM 08N TO 18N E OF 149W. ISOLATED
MODERATE TSTMS FROM 03N TO 09N BETWEEN 146W AND 158W.
.24 HOUR FORECAST TROUGH FROM 14N146W TO 07N150W TO 04N160W.
WINDS 20 TO 30 KT FROM 10N TO 18N E OF 152W.
.48 HOUR FORECAST TROUGH FROM 13N153W TO 04N158W. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS.

.FRONT FROM 30N180E TO 25N175E TO 23N169E MOVING E 20 KT. S WINDS
20 TO 25 KT N OF 27N BETWEEN 174W AND 179W.
.24 HOUR FORECAST FRONT DISSIPATED. ASSOCIATED WINDS DIMINISHED TO
20 KT OR LESS.

.LOW 05N168E 1006 MB DRIFTING W. TROUGH FROM 03N160E THROUGH LOW
TO 08N179E NEARLY STATIONARY. NE TO E WINDS 20 25 KT FROM 05N TO
13N BETWEEN 173W AND 162E...AND FROM 12N TO 22N E OF 164E. SCATTERED
MODERATE TSTMS FROM 02N TO 10N BETWEEN 169W AND 163E.
.24 HOUR FORECAST LOW 03N167E 1003 MB. TROUGH FROM 04N160E
THROUGH LOW TO 10N176E. NE TO E WINDS 20 TO 30 KT FROM 05N TO 20N
W OF 170W.
.48 HOUR FORECAST LOW 04N166E 1003 MB. TROUGH FROM 02N160E THROUGH
LOW TO 00N170E. NE TO E WINDS FROM 04N TO 20N W OF 173E...AND
FROM 04N TO 24N BETWEEN 173E AND 180E.

.24 HOUR FORECAST FRONT APPROACHING AREA FROM THE NW. S WINDS
20 TO 30 KT N OF LINE FROM 30N165E TO 27N160E.
.48 HOUR FORECAST FRONT FROM 30N162E TO 29N160E. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.

.RIDGE FROM 29N160E TO 27N171E MOVING E 15 KT.

.RIDGE FROM 30N164W TO 22N178W MOVING E SLOWLY AND WEAKENING
FROM THE W.

.SEAS 12 TO 16 FT N OF 22N BETWEEN 143W AND 158W. SEAS
12 TO 14 FT N OF 28N BETWEEN 175W AND 176E. SEAS 8 TO 12 FT
ELSEWHERE N OF A LINE FROM 06N160E TO 04N180W TO 08N165W TO
20N159W TO 10N151W TO 04N140W.
.24 HOUR FORECAST SEAS 12 TO 20 FT N OF 22N E OF 163W. SEAS
12 TO 14 FT FROM 10N TO 17N BETWEEN 178E AND 169E. SEAS 8 TO
12 FT REMAINDER OF AREA N OF A LINE FROM 04N160E TO 06N180E TO
05N170W TO 16N162W TO 20N156W TO 10N153W TO 04N140W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 20N140W TO
25N150W TO 25N158W TO 20N167W TO 23N171W TO 30N166W. SEAS 12 TO
14 FT FROM 09N TO 19N BETWEEN 177W AND 16E. SEAS 8 TO 12 FT
REMAINDER OF AREA N OF A LINE FROM 05N140W TO 06N160W TO
04N170W TO 02N160E...EXCEPT SEAS 8 FT OR LESS WITHIN 180 NM
OF A LINE FROM 30N175E TO 25N160E.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$

.FORECASTER BIRCHARD. HONOLULU HI.


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