High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 170330
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN JAN 17 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 17 2021.
24 HOUR FORECAST VALID 0000 UTC JAN 18 2021.
48 HOUR FORECAST VALID 0000 UTC JAN 19 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S172E 17S160E MOVING E SLOWLY S OF 20S... NEARLY STATIONARY
ELSEWHERE. ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S177E 21S170E 17S160E.
.48 HOUR FORECAST TROUGH 25S180E 20S170E 19S172E.

.RIDGE 25S154W 20S180W 10S164E 11S160E MOVING NE SLOWLY.

.E WINDS 20 TO 25 KT N OF 05S BETWEEN 180E AND 170W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 05N BETWEEN 160E AND 180W.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 04S W OF 175W.

.SEAS 8 FT N OF 06S BETWEEN 175E AND 160W... AND S OF 18S E OF 35W.
.24 HOUR FORECAST SEAS 8 TO 10 FT SE OF LINE 10S13W 25S135W AND N OF
LINE 00S140W 06S170W 05S175E.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 05S E OF 180W. SEAS 8 TO 9 FT
S OF 05S E OF 137W.

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

.SCATTERED MODERATE TSTMS FROM 15S TO 10S BETWEEN 165W AND 152W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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