The High Seas Forecast for the Central North Pacific

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FZPN40 PHFO 231632
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU OCT 23 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 23 2014.
24 HOUR FORECAST VALID 1200 UTC OCT 24 2014.
48 HOUR FORECAST VALID 1200 UTC OCT 25 2014.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ANA NEAR 25.5N 168.4W. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE...90 NM
SE...10 NM SW...100 NM NW. SEAS 12 FT WITHIN 130 NM NE...90 NM
SE...70 NM SW...120 NM NW. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT
ELSEWHERE WITHIN 200 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE.
NUMEROUS STRONG TSTMS WITHIN 240 NM OF CENTER N SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM ANA MOVED N OF AREA NEAR 30.7N
169.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM
FORCE WINDS WITHIN 120 NM NE...90 NM SE...20 NM SW...110 NM NW. SEAS
12 FT OR GREATER WITHIN 300 NM NE AND 180 NM SE QUADRANTS AND 180 NM
W SEMICIRCLE. WINDS 20 TO 33 KT ELSEWHERE WITHIN 120 NM S SEMICIRCLE.
.48 HOUR FORECAST TROPICAL STORM ANA MOVED FAR N OF AREA.

FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO FORECAST UNCERTAINTY.

.SYNOPSIS AND FORECAST.

.FRONT 30N179W 23N176E 20N170E 19N160E MOVING E SLOWLY N OF 25N AND
STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS WITHIN 120 NM OF FRONT
BETWEEN 177E AND 170E.
.24 HOUR FORECAST FRONT 30N177W 24N179E 20N170E 19N160E.
.48 HOUR FORECAST FRONT DISSIPATED.

.24 HOUR FORECAST NEW FRONT 28N140W 26N144W 26N150W 27N155W 30N161W.
NW TO NE WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT WEAKENED TO SHEAR LINE 23N140W 22N150W
24N155W. NE WINDS 20 TO 25 KT WITHIN 120 NM N OF SHEAR LINE.

.TROUGH 11N174E 02N166E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 12N168E 04N163E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 09N140W 08N150W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 180 NM S OF TROUGH.

.RIDGE 29N140W 29N150W 30N155W MOVING SE 10 KT.

.RIDGE 30N173W 22N178W 17N171E 18N166E NEARLY STATIONARY.

.RIDGE 23N167E 26N160E NEARLY STATIONARY.

.SEAS 8 TO 13 FT NW OF LINE 30N176W 16N160E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 27N140W 26N150W 30N160W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF 21N E OF 157W.

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

.NUMEROUS STRONG TSTMS WITHIN 60 NM OF LINE 11N161E 08N160E.

$$
.HONOLULU HI.






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