000
FZPN40 PHFO 272225
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE OCT 27 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 27 2020.
24 HOUR FORECAST VALID 1800 UTC OCT 28 2020.
48 HOUR FORECAST VALID 1800 UTC OCT 29 2020.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N155W TO 22N160W TO 19N170W TO 18N180E TO 20N164E 
NEARLY STATIONARY. NE TO E WINDS 20 TO 25 KT FROM 17N TO 28N
BETWEEN 165E AND 170W. ISOLATED TO LOCALLY SCATTERED MODERATE 
TSTMS N OF 14N BETWEEN 165W AND 153W. 
.24 HOUR FORECAST FRONT FROM 30N152W TO 22N156W TO 17N170W. S WINDS
20 TO 25 KT N OF 25N BETWEEN FRONT AND 150W... AND NW WINDS 20 TO
25 KT N OF 27N BETWEEN 170W AND FRONT. MORE WINDS DESCRIBED BELOW.
.48 HOUR FORECAST NEW LOW 28N156W 1007 MB. FRONT FROM 30N152W TO 22N153W
TO 18N162W TO 17N170W. N WINDS 20 TO 25 KT N OF 26N BETWEEN 169W AND
160W. MORE WINDS DESCRIBED BELOW.

.LOW 08N163E 1009 MB MOVING WNW 10 KT. TROUGH FROM LOW TO 11N166E
MOVING W 15 KT. WINDS 20 TO 25 KT WITHIN 90 NM N SEMICIRCLE OF LOW.
ISOLATED MODERATE TO STRONG TSTMS FROM 02N TO 11N W OF 170E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH MOVED W OF AREA.

.TROUGH FROM 12N166W TO 10N176W TO 06N178E MOVING W 10 KT. ISOLATED
MODERATE TSTMS FROM 03N TO 10N BETWEEN 176W AND 165W.
.24 HOUR FORECAST TROUGH FROM 12N174W TO 06N175E. 
.48 HOUR FORECAST TROUGH FROM 12N180W TO 04N170E. 

.24 HOUR FORECAST NEW TROUGH FROM 27N162E TO 22N160E.
.48 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.24 HOUR FORECAST NEW... WEAK... FRONT FROM 30N162E TO 29N160E.
.48 HOUR FORECAST FRONT FROM 30N165E TO 27N160E.

.RIDGE FROM 30N146W TO 25N150W TO 22N156W NEARLY STATIONARY.

.RIDGE FROM 30N170W TO 22N162W NEARLY STATIONARY.

.E WINDS 20 TO 25 KT S OF 06N E OF 153W.

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 15N TO 25N BETWEEN
170E AND 173W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 14N TO 24N BETWEEN
164E AND 177W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS MAINLY 8 TO 11 FT FROM 16N TO 27N BETWEEN 162E AND 171W. SEAS
8 TO 10 FT S OF 09N E OF 156W.
.24 HOUR FORECAST SEAS MAINLY 8 TO 10 FT FROM 16N TO 25N BETWEEN 165E
AND 175W... AND N OF 27N BETWEEN 168W AND 160W. SEAS 8 TO 9 FT S OF
06N E OF 154W. 
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF 28N BETWEEN 160W AND 162W.
SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF 24N BETWEEN 170W AND 156W. SEAS
8 TO 9 FT FROM 16N TO 21N BETWEEN 165E AND 177E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 10N140W TO 09N150W TO 08N154W. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF ITCZ.

$$

.FORECASTER SHIGESATO. HONOLULU HI.