FZPN40 PHFO 212254
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W 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.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N152W TO 23N154W THENCE TROUGH TO 17N156W TO 12N160W 
MOVING NE SLOWLY N OF 27N AND W SLOWLY S OF 22N AND NEARLY STATIONARY
ELSEWHERE. MAINLY SE TO S WINDS 20 TO 25 KT N OF 22N BETWEEN FRONT
AND 148W. NE WINDS 20 TO 25 KT FROM 06N TO 15N E OF 150W. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 14N.
.24 HOUR FORECAST FRONT FROM 30N150W TO 27N151W THENCE TROUGH TO 
17N157W TO 14N161W TO 08N167W. SE TO S WINDS 20 TO 25 KT N OF 26N 
BETWEEN 146W AND 151W.
.48 HOUR FORECAST FRONT FROM 30N146W TO 28N148W THENCE TROUGH TO 
20N158W TO 15N161W. S WINDS 20 TO 25 KT N OF 28N BETWEEN FRONT AND
143W. 

.LOW 24N166W 1014 MB. TROUGH FROM LOW TO 30N167W. LOW AND TROUGH 
MOVING NE 25 KT.
.24 HOUR FORECAST LOW DISSIPATED. REMNANT TROUGH FROM 30N165W TO 
26N164W TO 21N166W.
.48 HOUR FORECAST TROUGH FROM 30N159W TO 23N161W.

.WEAK FRONT FROM 30N178W TO 27N177W TO 22N174E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N174W TO 
26N174W TO 23N176E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 26N162E TO 23N160E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED BELOW. 

.FRONT FROM 30N161E TO 29N160E. MOVING E 40 KT. WINDS 20 TO 25 KT
N OF 28N W OF 164E.
.24 HOUR FORECAST FRONT FROM 30N178E TO 27N176E TO 23N168E TO 
23N160E. WINDS 20 TO 30 KT N OF 26N BETWEEN 180W AND 170E.
.48 HOUR FORECAST FRONT FROM 30N165W TO 27N168W TO 24N177W TO 
24N173E. N TO NE WINDS 20 TO 25 KT N OF FRONT BETWEEN 168W AND 
172W.

.RIDGE FROM 28N140W TO 18N148W MOVING NW SLOWLY.

.NE WINDS 20 TO 25 KT FROM 06N TO 15N E OF 150W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 05N TO 12N BETWEEN 
180W AND 175E.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 08N TO 14N BETWEEN 
174W AND 173E. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 10 FT N OF LINE FROM 30N167E TO 27N160E...AND N OF LINE
FROM 30N165W TO 24N162W TO 20N154W TO 20N146W. SEAS 8 TO 9 FT FROM
05N TO 20N E OF 155W...AND FROM 02N TO 14N BETWEEN 178E AND 172E. 
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE FROM 30N178E TO 
26N160E. 
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N BETWEEN 166W AND 176E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.SCATTERED MODERATE TSTMS S OF LINE FROM 06N170E TO 00N178W.
ELSEWHERE ISOLATED MODERATE TSTMS W OF LINE FROM 14N165E TO
00N177W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF LINE FROM 08N168W
TO 07N148W. 

$$

.FORECASTER ALMANZA. HONOLULU HI.