High Seas Forecast Issued by NWS
000
FZPS40 PHFO 120312
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE MAR 12 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12 2024.
24 HOUR FORECAST VALID 0000 UTC MAR 13 2024.
48 HOUR FORECAST VALID 0000 UTC MAR 14 2024.
.WARNINGS.
...GALE WARNING...
.FIRST LOW NEAR 20S171E 1003 MB MOVING SE SLOWLY. SECOND LOW NEAR
21S173W 1006 MB MOVING E SLOWLY. TROUGH FROM 19S154W TO 20S165W TO
21S170W TO SECOND LOW TO 21S175E TO FIRST LOW TO 19S160E NEARLY
STATIONARY. E TO SE WINDS 30 TO 35 KT S OF TROUGH W OF 175E. E TO
SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN 170W AND 175E. NW WINDS
20 TO 25 KT WITHIN 180 NM N SEMICIRCLES OF LOWS. NUMEROUS STRONG
TSTMS WITHIN 360 NM NE AND E QUADRANTS OF FIRST LOW AND WITHIN 270
NM NE QUADRANT OF SECOND LOW. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 360 NM N AND 210 NM S OF TROUGH.
.24 HOUR FORECAST FIRST LOW NEAR 21S173E 1004 MB. SECOND LOW NEAR
21S168W 1003 MB. TROUGH FROM 21S150W TO SECOND LOW TO 20S180E TO
FIRST LOW TO 19S160E. E TO SE WINDS 20 TO 30 KT S OF TROUGH W OF
180E. WINDS 20 TO 30 KT WITHIN 180 NM OF SECOND LOW. NW WINDS 20
TO 25 KT WITHIN 150 NM OF A LINE FROM 21S175E TO 13S160E.
.48 HOUR FORECAST FIRST LOW NEAR 21S175E 1005 MB. SECOND LOW NEAR
23S161W 1005 MB. TROUGH FROM 25S155W TO SECOND LOW TO 19S165W TO
20S180E TO FIRST LOW TO 19S170E TO 19S160E. E TO SE WINDS 20 TO 25
KT S OF TROUGH W OF 180E...AND WITHIN 180 NM SW SEMICIRCLE OF
SECOND LOW. NW WINDS 20 TO 25 KT WITHIN 150 NM OF A LINE FROM
20S177E TO 14S160E...AND WITHIN 300 NM E OF TROUGH E OF 165W.
.SYNOPSIS AND FORECAST.
.TROUGH FROM 25S128W TO 21S143W MOVING S SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM N OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S131W TO 22S142W.
.48 HOUR FORECAST TROUGH MERGED WITH NEW FRONT FROM 25S121W TO
24S125W TO 24S140W.
.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.
.SEAS 12 TO 15 FT S OF 19S W OF 175E. SEAS 8 TO 12 FT ELSEWHERE S
OF A LINE FROM 25S167W TO 15S175E TO 13S160E. SEAS 8 TO 9 FT N OF
02S BETWEEN 160W AND 180E.
.24 HOUR FORECAST SEAS 12 TO 13 FT S OF 22S W OF 175E. SEAS 8 TO
12 FT ELSEWHERE S OF A LINE FROM 25S150W TO 18S170W TO 17S160E.
SEAS 8 TO 9 FT N OF 04S BETWEEN 165W AND 178E.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE FROM 22S176W TO
18S170E TO 13S160E. SEAS 8 TO 9 FT S OF A LINE FROM 25S140W TO
16S165W TO 25S170W.
.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.
.ITCZ FROM 07S120W TO 04S130W TO 02S139W. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF ITCZ.
.SCATTERED MODERATE TO STRONG TSTMS N OF 17S W OF 167E. ISOLATED
MODERATE TSTMS FROM 07S TO 11S BETWEEN 150W AND 164W.
$$
.FORECASTER WROE. HONOLULU HI.