109 
FZPN03 KNHC 202102
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE SEP 20 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC TUE SEP 20.
24 HOUR FORECAST VALID 1800 UTC WED SEP 21.
48 HOUR FORECAST VALID 1800 UTC THU SEP 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.POST-TROPICAL CYCLONE MADELINE NEAR 21.3N 112.5W 1004 MB AT
2100 UTC SEP 20 MOVING W OR 280 DEG AT 5 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 22N111W TO 23N113W TO 22N115W TO
19N114W TO 19N112W TO 21N111W TO 22N111W NW WINDS 20 TO 30 KT. 
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 21N108W TO 24N111W TO 25N116W 
TO 21N117W TO 16N114W TO 16N110W TO 21N108W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 21.4N 
113.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 21.6N 
115.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 23N115W
TO 24N117W TO 23N118W TO 21N118W TO 20N117W TO 20N115W TO 
23N115W N WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 
23N113W TO 25N117W TO 25N119W TO 21N121W TO 18N117W TO 19N113W TO
23N113W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 21.4N 
117.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 24N118W
TO 24N120W TO 24N121W TO 22N121W TO 20N120W TO 21N118W TO 
24N118W N TO NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE 
WITHIN 22N116W TO 25N119W TO 23N122W TO 20N123W TO 18N120W TO 
20N115W TO 22N116W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 21.0N 
121.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 20.6N 
124.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW MADELINE NEAR 20.2N
128.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.WITHIN 12N103W TO 12N112W TO 11N114W TO 10N112W TO 10N108W TO
11N103W TO 12N103W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 11N109W TO 12N111W TO 13N119W TO 
10N122W TO 09N119W TO 09N111W TO 11N109W WINDS 20 KT OR LESS. 
SEAS 8 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 14N114W TO 12N123W TO 15N133W TO 
11N133W TO 07N127W TO 09N110W TO 14N114W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN S TO SW SWELL.

.WITHIN 15N96W TO 15N97W TO 15N98W TO 14N97W TO 14N96W TO 15N96W
WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 30N127W TO 30N136W TO 28N131W TO 28N129W TO 30N127W
WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
8 FT.

.24 HOUR FORECAST WITHIN 01S107W TO 01S120W TO 03.4S120W TO
03.4S103W TO 01S107W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL. 
.48 HOUR FORECAST WITHIN 00N100W TO 00N119W TO 03.4S120W TO 
03S97W TO 00N100W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.

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

CONVECTION VALID AT 2100 UTC TUE SEP 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N88W TO 18N106W. IT RESUMES NEAR 18N114W 
TO 13N120W TO 13N140W. SCATTERED MODERATE ISOLATED STRONG FROM 
03N TO 08N E OF 86W...FROM 09N TO 17N BETWEEN 94W AND 104W...AND
FROM 09N TO 12N BETWEEN 105W AND 135W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.