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National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 240406 CCA
HSFNP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT FEB 24 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 24 2018.
24 HOUR FORECAST VALID 0000 UTC FEB 25 2018.
48 HOUR FORECAST VALID 0000 UTC FEB 26 2018.

.WARNINGS.

GALE WARNING

.TROUGH 30N174W 23N167W 11N169W MOVING W SLOWLY. E TO SE WINDS 20 TO
30 KT N OF LINE 10N140W 14N153W 30N165W. SEE SEAS BELOW. ISOLATED TO
CATTERED MODERATE TSTMS WITHIN 90 NM OF TROUGH AND N OF LINE 30N153W
17N167W.
.24 HOUR FORECAST TROUGH 30N170W 22N167W 11N169W. E TO SE WINDS 30
TO 35 KT N OF 27N BETWEEN 156W AND 163W. E TO SE WINDS 20 TO 30 KT
ELSEWHERE N OF LINE 08N140W 08N150W 18N160W 30N168W. SEE SEAS BELOW.
.48 HOUR FORECAST NEW LOW 28N170W 1016 MB. TROUGH 30N170W TO LOW TO
22N168W 15N170W. E TO SE WINDS 30 TO 35 KT N OF 24N BETWEEN 157W AND
166W. E TO SE WINDS 20 TO 30 KT ELSEWHERE N OF LINE 09N140W 10N155W
17N160W 30N168W. SEE SEAS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT FAR W OF AREA MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N168E 27N160E.
.48 HOUR FORECAST FRONT 30N170E 27N160E.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 21N W OF 178W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 17N W OF
178E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N W OF
178E.

.24 HOUR FORECAST NEW TROUGH 30N177W 24N178W.
.48 HOUR FORECAST TROUGH 30N179E 23N178W.

.RIDGE 30N175E 25N160E MOVING NNE SLOWLY.

OTHERWISE
WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 11 FT N OF LINE 05N140W 15N160W 30N162W. SEAS 8 TO 9 FT
W OF 179W BETWEEN 07N AND 19N...AND N OF 28N BETWEEN 172W AND 177W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 04N140W 05N157W 30N164W.
SEAS 8 TO 9 FT W OF 175E BETWEEN 06N AND 17N.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 05N140W 05N155W 30N169W.
SEAS 8 TO 9 FT W OF 165E BETWEEN 11N AND 15N.

OTHERWISE
SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 05N167E.

.ITCZ 07N140W 08N161W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
ITCZ...AND WITHIN 90 NM OF LINE 17N155W 14N151W 12N146W.



.FORECASTER POWELL. HONOLULU HI.