High Seas Forecast
Issued by NWS

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220
FZPN40 PHFO 221045
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI MAY 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 22 2015.
24 HOUR FORECAST VALID 0600 UTC MAY 23 2015.
48 HOUR FORECAST VALID 0600 UTC MAY 24 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 04N170E 1010 MB MOVING W SLOWLY. FIRST TROUGH 03N160E TO LOW
NEARLY STATIONARY. SECOND TROUGH 12N163E 09N168E TO LOW MOVING
W 10 KT. ISOLATED MODERATE TSTMS S OF 15N W OF 176W.
.24 HOUR FORECAST LOW AND SECOND TROUGH DISSIPATED. TROUGH 06N169E
04N171E.
.48 HOUR FORECAST TROUGH W OF FORECAST AREA.

.FRONT 30N155W 27N158W 24N162W 21N169W 21N175W MOVING SE 10 KT.
N TO NW WINDS 20 TO 25 KT N OF 26N BETWEEN FRONT AND 163W. ISOLATED
MODERATE TSTMS N OF 25N BETWEEN 150W AND 157W.
.24 HOUR FORECAST FRONT 30N149W 26N150W 20N157W. WINDS 20 TO 25 KT
N OF 28N BETWEEN 143W AND 156W.
.48 HOUR FORECAST LOW 30N151W 1012 MB. FRONT 30N145W 27N145W
20N151W. S TO SE WINDS 20 TO 25 KT E OF FRONT N OF 23N. N TO NW
WINDS 20 TO 25 KT N OF 28N BETWEEN 151W AND 158W.

.TROUGH 03N169W 05N163W 08N160W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS S OF 10N BETWEEN 159W AND 164W.
.24 HOUR FORECAST TROUGH 03N168W 08N160W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 08N140W 06N145W 06N157W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH 06N140W 05N154W.

.RIDGE 30N171E 28N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 13N TO 17N BETWEEN 160E AND 170E.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 8 TO 9 FT FROM 13N TO 17N BETWEEN 160E AND 170E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N151W 26N154W 30N159W.
SEAS 8 TO 9 FT FROM 13N TO 18N W OF 165E.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF 27N BETWEEN 140W AND 159W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

$$

.HONOLULU HI.





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