High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 221645
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 22 2015.
24 HOUR FORECAST VALID 1200 UTC MAY 23 2015.
48 HOUR FORECAST VALID 1200 UTC MAY 24 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 04N170E 1011 MB MOVING W SLOWLY. TROUGH 04N160E TO LOW NEARLY
STATIONARY. ISOLATED MODERATE TO STRONG TSTMS S OF 15N W OF 176W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 06N169E 04N167E.
.48 HOUR FORECAST TROUGH W OF FORECAST AREA.

.FRONT 30N153W 26N156W 21N174W MOVING SE 10 KT. N TO NW WINDS 20 TO
25 KT N OF 27N BETWEEN FRONT AND 161W. ISOLATED MODERATE TSTMS N OF
27N BETWEEN 149W AND 155W.
.24 HOUR FORECAST FRONT 30N147W 21N156W. WINDS 20 TO 25 KT N OF 27N
E OF FRONT.
.48 HOUR FORECAST NEW LOW 30N151W 1012 MB. FRONT 30N145W 27N145W
20N146W. WINDS 20 TO 25 KT WITHIN 270 NM W QUADRANT OF LOW.
S TO SE WINDS 20 TO 25 KT E OF 142W N OF 22N.

.TROUGH 03N169W 05N165W 08N162W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS FROM 01N TO 05N BETWEEN 160W AND 170W.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 06N140W 06N155W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
FROM 01N TO 10N E OF 170W.
.24 HOUR FORECAST TROUGH 06N140W 05N153W.
.48 HOUR FORECAST TROUGH LITTLE CHANGE.

.RIDGE 30N174E 27N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 13N TO 18N 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 161E AND 171E...AND N OF 27N
BETWEEN 156W AND 163W.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 28N BETWEEN 149W AND 157W.
SEAS 8 TO 9 FT W OF 163E BETWEEN 13N AND 17N.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 24N140W 26N143W 28N159W.

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

$$

.HONOLULU HI.




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