FZPS40 PHFO 212311
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC THU FEB 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC FEB 21 2019.
24 HOUR FORECAST VALID 1800 UTC FEB 22 2019.
48 HOUR FORECAST VALID 1800 UTC FEB 23 2019.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL CYCLONE OMA 24.6S 159.4E MOVING SSW 07 KT. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. WINDS 34 KT OR GREATER AND SEAS
12 FT OR HIGHER WITHIN 200 NM W SEMICIRCLE AND 150 NM E 
SEMICIRCLE. WINDS 20 TO 33 KT ELSEWHERE S OF 18S W OF 167E. SEAS 8
TO 12 FT ELSEWHERE S OF LINE FROM 15S160E TO 25S174E. ISOLATED TO
LOCALLY SCATTERED MODERATE TSTMS WITHIN 120 NM OF CENTER. 
.24 HOUR FORECAST TROPICAL CYCLONE OMA JUST WSW OF AREA 26.9S 
159.2E. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. WINDS 34 KT OR 
GREATER AND SEAS 12 FT OR HIGHER WITHIN 200 NM OF CENTER. WINDS 20
TO 33 KT ELSEWHERE S OF 21S W OF 168E. SEAS 8 TO 12 FT ELSEWHERE 
W OF LINE FROM 16S160E TO 25S169E.
.48 HOUR FORECAST TROPICAL CYCLONE OMA SW OF AREA 26.4S 158.9E. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. WINDS 34 KT OR GREATER 
AND SEAS 12 FT OR HIGHER WITHIN 200 NM OF CENTER. WINDS 20 TO 33 
KT ELSEWHERE S OF 21S W OF 166E. SEAS 8 TO 12 FT ELSEWHERE W OF 
LINE FROM 11S160E TO 15S165E TO 20S165E TO 25S172E. 

SEE AXAU21 ABRF BULLETIN FROM TCWC BRISBANE FOR LATEST INFORMATION.

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

...GALE WARNING...
.LOW 19S162W 1005 MB MOVING ESE 25 KT. TROUGH FROM 18S176E TO 
14S175W TO LOW TO 25S155W. MAINLY NW TO N WINDS 20 TO 30 KT IN 
AREA BETWEEN LINE FROM 07S162W TO 25S137W...AND LINE FROM 10S167W 
TO 19S158W TO 25S147W. WIDELY SCATTERED MODERATE TO LOCALLY STRONG
TSTMS WITHIN 240 NM OF LINE FROM 04S175W TO 25S148W. ISOLATED 
MODERATE TSTMS ELSEWHERE WITHIN 120 NM OF LOW AND TROUGH. 
.24 HOUR FORECAST LOW 23S154W 1004 MB. TROUGH FROM 17S174E TO 
10S178W TO LOW TO 25S152W. WINDS 25 TO 35 KT WITHIN 270 NM OF LOW 
NE SEMICIRCLE. WINDS 20 TO 30 KT ELSEWHERE WITHIN 330 NM NE AND E 
OF TROUGH E OF 163W. 
.48 HOUR FORECAST LOW MOVED S OF FORECAST AREA. TROUGH FROM 
25S149W TO 22S151W TO NEW LOW 12S175W 1004 MB TO 17S172E. W WINDS 
20 TO 30 KT FROM 10S TO 02S BETWEEN 174W AND 178E. NW WINDS 20 TO 
30 KT WITHIN 210 NM NE OF TROUGH S OF 20S. 

.SYNOPSIS AND FORECAST. 

.WEAK FRONT FROM 23S120W TO 24S129W MOVING N 10 KT. ISOLATED
MODERATE TSTMS WITHIN 120 NM N OF FRONT.
.24 HOUR FORECAST FRONT FROM 20S120W TO 21S125W. 
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 19S120W TO 
17S125W. 

.HIGH 20S133W 1015 MB NEARLY STATIONARY. RIDGE FROM 00S170W TO
HIGH TO 19S120W.
.24 HOUR FORECAST HIGH LITTLE CHANGE. 
.48 HOUR FORECAST HIGH 21S136W 1016 MB. 

.RIDGE FROM 25S177E TO 22S173E NEARLY STATIONARY. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 10 FT IN AREA BETWEEN LINE FROM 10S166W TO 20S157W TO 
25S150W...AND LINE FROM 10S158W TO 25S136W. SEAS 8 TO 9 FT S OF 
16S BETWEEN 160W AND 172W...AND S OF 20S E OF 130W. 
.24 HOUR FORECAST SEAS 12 TO 13 FT WITHIN 120 NM OF LINE FROM 
18S156W TO 23S150W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 
25S174W TO 14S163W TO 14S157W TO 25S144W. 
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE FROM 25S175W TO 
20S167W TO 16S158W TO 25S142W...AND FROM 01S TO 09S BETWEEN 174W 
AND 178E. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TO LOCALLY STRONG TSTMS W OF LINE FROM 11S162E
TO 05S178E TO 00S178E. ISOLATED MODERATE TSTMS S OF 21S BETWEEN
134W AND 144W. 

$$

.FORECASTER ALMANZA. HONOLULU HI.