High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 090334
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE MAR 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 09 2021.
24 HOUR FORECAST VALID 0000 UTC MAR 10 2021.
48 HOUR FORECAST VALID 0000 UTC MAR 11 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 22S120W TO 21S125W MOVING N SLOWLY. TROUGH FROM
16S135W TO 19S130W TO 21S125W. WINDS E TO SE 20 TO 25 KT AND SEAS 8
TO 9 FT OVER FORECAST WATERS S AND SW OF FRONT.
.24 HOUR FORECAST FRONT FROM 20S120W TO 20S127W. TROUGH FROM 16S135W
TO 20S127W. WINDS E TO SE 20 TO 25 KT AND SEAS 8 TO 9 FT OVER FORECAST
WATERS S AND SW OF FRONT.
.48 HOUR FORECAST FRONT FROM 17S120W TO 16S125W. TROUGH FROM 15S139W TO
19S131W. WINDS E TO SE 20 TO 25 KT AND SEAS 8 TO 9 FT OVER FORECAST
WATERS S AND SW OF FRONT.

.COLD FRONT FROM 25S157W TO 19S162W TO 16S170W TO 15S179W. FRONT MOVING
SE 15 KT S OF 19S AND NE 10 KT N OF 19S. ASSOCIATED SHEAR LINE FROM
25S147W TO 21S151W TO 17S158W. WINDS NW TO N 20 TO 30 KT WITHIN
210 NM E OF SHEAR LINE. ASSOCIATED SEAS AND TSTMS INCLUDED BELOW.
.24 HOUR FORECAST COLD FRONT FROM 25S155W TO 19S161W TO 15S170W.
ASSOCIATED SHEAR LINE FROM 25S153W TO 18S160W. WINDS NW TO N 20 TO
25 KT WITHIN 210 NM E OF SHEAR LINE. ASSOCIATED SEAS INCLUDED BELOW.
.48 HOUR FORECAST FRONT FROM 25S155W TO 19S161W. ASSOCIATED SHEAR LINE
DISSIPATED. WINDS NW TO N 20 TO 30 KT WITHIN 120 NM E OF FRONT.

.TROUGH FROM 14S160E TO 15S170E TO 15S179W MOVING N 10 KT. ASSOCIATED
TSTMS INCLUDED BELOW.
.24 HOUR FORECAST TROUGH FROM 06S160E TO 12S170E TO 13S179W TO 15S170W.
.48 HOUR FORECAST TROUGH FROM 06S160E TO 12S170E TO 13S179W TO 15S170W
TO 19S161W.

.TROUGH FROM 04S145W TO 07S141W TO 08S137W MOVING WSW 15 KT. ISOLATED
MODERATE TSTMS FROM 03S TO 11S BETWEEN 146W AND 133W.
.24 HOUR FORECAST TROUGH FROM 05S151W TO 09S145W.
.48 HOUR FORECAST TROUGH FROM 07S156W TO 12S147W TO 19S142W.

.RIDGE FROM 25S133W TO 18S141W TO 11S153W TO 09S161W TO 09S174W.
.24 HOUR FORECAST RIDGE FROM 25S139W TO 17S149W TO 09S161W TO 09S174W.
.48 HOUR FORECAST RIDGE FROM 25S143W TO 17S153W TO 12S162W TO 10S173W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 12 FT WITHIN AND AREA BOUND BY 15S175E 21S175W
20S163W 28S155W 28S142W 25S138W 25S168E 15S175E.
.24 HOUR FORECAST OTHERWISE SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY
18S168W 20S153W 25S142W 25S172W 18S168W.
.48 HOUR FORECAST OTHERWISE SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY
18S165W 18S155W 25S140W 25S170W 18S165W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE SCATTERED MODERATE TO STRONG TSTMS WITHIN AN AREA BOUND BY
07S179E 07S155W 20S145W 20S165W 15S170E 07S179E.

$$

.FORECASTER BEDAL. HONOLULU HI.


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