High Seas Forecast
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515
FZPS40 PHFO 211512
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC THU NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 21 2019.
24 HOUR FORECAST VALID 1200 UTC NOV 22 2019.
48 HOUR FORECAST VALID 1200 UTC NOV 23 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 10S173E 1005 MB NEARLY STATIONARY. TROUGH FROM 08S160E
TO LOW TO 25S175W NEARLY STATIONARY. WINDS 20 TO 25 KT S OF 12S
AND W OF 175E. SCATTERED MODERATE TO STRONG TSTMS N OF 12S W OF
177E.
.24 HOUR FORECAST LOW 10S170E 1005 MB. TROUGH FROM 08S160E TO LOW
TO 25S174W. SE WINDS 20 TO 25 KT S OF TROUGH AND W OF 178E.
.48 HOUR FORECAST LOW NEAR 10S170E 1002 MB. TROUGH FROM 07S160E
TO LOW TO 20S173W TO 25S173W. WINDS 20 TO 30 KT N OF 20S AND W OF
171E.

.FRONT FROM 25S132W TO 20S140W THENCE TROUGH TO 14S155W. FRONT
MOVING E 10 KT...TROUGH NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST FRONT FROM 25S128W TO 20S140W THENCE TROUGH
13S150W.
.48 HOUR FORECAST FRONT 25S137W TO 22S130W THENCE TROUGH TO
15S140W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 15S W OF 180W.
.48 HOUR FORECAST SEAS 8 TO 10 FT W OF A LINE FROM 00S170E TO
20S180W TO 25S174W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

$$

.FORECASTER MORRISON. HONOLULU HI.



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