000
FZPN03 KNHC 180339
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN SEP 18.
24 HOUR FORECAST VALID 0000 UTC MON SEP 19.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM MADELINE NEAR 16.9N 106.8W 1000 MB AT 0300 UTC
SEP 18 MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N
SEMICIRCLE...110 NM SE QUADRANT AND 70 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 240 NM NE QUADRANT...330 NM SE
QUADRANT...270 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS
TO 20 FT. ELSEWHERE WITHIN 20N106W TO 17N109W TO 14N109W TO 11N112W
TO 11N104W TO 13N102W TO 20N106W...INCLUDING CABO CORRIENTES... 
WINDS 20 TO 33 KT. SEAS 10 TO 16 FT IN S TO SW SWELL. REMAINDER
OF AREA WITHIN 15N94W TO 20N106W TO 08N127W TO 05N115W TO 08N98W
TO 07N86W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 
20 KT OR LESS. SEAS 8 TO 12 FT IN S TO SW SWELL.
.24 HOUR FORECAST TROPICAL STORM MADELINE NEAR 19.2N 108.2W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM S SEMICIRCLE...100 NM NE QUADRANT AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...360 
NM SE QUADRANT...180 NM SW QUADRANT...AND 30 NM NW QUADRANT WITH 
SEAS TO 18 FT. ELSEWHERE WITHIN 19N105W TO 21N107W TO 20N110W TO 
19N111W TO 16N110W TO 16N106W TO 19N105W...INCLUDING CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 10 TO 16 FT IN S TO SW 
SWELL. WITHIN 16N104W TO 15N106W TO 14N108W TO 13N110W TO 11N109W
TO 13N104W TO 16N104W SW TO W WINDS 20 TO 25 KT. SEAS 11 TO 13 
FT IN SW SWELL. REMAINDER OF AREA WITHIN 15N94W TO 23N109W TO 
14N114W TO 13N127W TO 09N126W TO 08N88W TO 15N94W...INCLUDING THE
GULF OF TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
PRIMARILY SW SWELL.
.48 HOUR FORECAST TROPICAL STORM MADELINE NEAR 20.5N 110.6W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 210 NM
NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 45 NM
NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 22N109W TO 
22N112W TO 21N113W TO 18N112W TO 17N110W TO 19N108W TO 22N109W 
WINDS 20 TO 33 KT. SEAS 9 TO 13 FT IN S SWELL. WITHIN 21N106W TO 
22N106W TO 21N107W TO 21N106W TO 20N106W TO 21N106W...INCLUDING 
CABO CORRIENTES...SE TO S WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN S
TO SW SWELL. REMAINDER OF AREA WITHIN 19N105W TO 24N108W TO 
23N114W TO 10N112W TO 09N90W TO 12N90W TO 19N105W...INCLUDING 
CABO CORRIENTES AND GULF OF CALIFORNIA...WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN SW TO W SWELL. 
.72 HOUR FORECAST TROPICAL STORM MADELINE NEAR 20.7N 113.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MADELINE NEAR 20.7N 115.5W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. 
.120 HOUR FORECAST TROPICAL STORM MADELINE NEAR 20.7N 118.4W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WITHIN 12N139W TO 12N140W TO 11N140W TO 11N139W TO 12N139W
WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 09N90W TO 10N90W TO 09N91W TO 08N91W TO
09N91W TO 08N91W TO 09N90W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 10N92W TO 10N94.5W TO 10.5N95W TO 
10N95.5W TO 09.5N95W TO 09.5N94W TO 10N92W SW TO W WINDS 20 TO 25
KT. SEAS 8 TO 10 FT IN SW TO W SWELL.

.24 HOUR FORECAST WITHIN 30N133W TO 30N138.5W TO 30N138W TO
29.5N134.5W TO 30N133W WINDS 20 KT OR LESS. SEAS 8 FT IN N 
SWELL.
.48 HOUR FORECAST WITHIN 30N123W TO 30N140W TO 26N140W TO 
25N133W TO 28N125W TO 30N123W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N SWELL.

.30 HOUR FORECAST WITHIN 12N123W TO 13N126W TO 12N127W TO
10N126W TO 10N124W TO 11N123W TO 12N123W WINDS 20 KT OR LESS.
SEAS 8 FT IN S SWELL.
.48 HOUR FORECAST WITHIN 13N122W TO 14N123W TO 13N123W TO 
12N124W TO 13N122W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW 
SWELL.

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

CONVECTION VALID AT 0250 UTC SUN SEP 18...

T.S. MADELINE...SCATTERED TO NUMEROUS MODERATE TO STRONG 
WITHIN 360 NM W SEMICIRCLE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 11N72.5W TO 10N87W TO 15N94.5W...THEN
RESUMES FROM NEAR 15N113W TO 1011 MB LOW PRES NEAR 12N129.5W TO 
10N140W. ASIDE FROM CONVECTION ASSOCIATED WITH MADELINE...
SCATTERED MODERATE TO STRONG CONVECTION FROM N OF 05.5N E OF 
87W...FROM 07N TO 14N BETWEEN 90W AND 94W...WITHIN 240 NM OF THE
MEXICAN COAST BETWEEN 96W AND 104W...AND FROM 19N TO 22.5N E OF 
107W. WIDELY SCATTERED MODERATE CONVECTION WITHIN 120 NM S OF 
THE TROUGH W OF 113W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.