000
FZPN03 KNHC 202110
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 20 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 20.
24 HOUR FORECAST VALID 1800 UTC MON SEP 21.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 22.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ODALYS NEAR 11.7N 126.6W 1002 MB AT 2100 UTC SEP
20 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...60 NM NE QUADRANT AND 40 NM NW QUADRANT. SEAS 4 M 
OR GREATER WITHIN 90 NM NE QUADRANT...45 NM SE QUADRANT...30 NM 
SW QUADRANT...AND 60 NM NW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE
WITHIN 15N122W TO 17N126W TO 15N129W TO 11N129W TO 09N127W TO 
10N122W TO 15N122W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM ODALYS NEAR 14.0N 129.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 
NM E SEMICIRCLE...180 NM NW QUADRANT...AND 120 NM SW QUADRANT 
WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 16N124W TO 19N128W TO 
19N131W TO 16N131W TO 10N130W TO 12N124W TO 16N124W WINDS 20 TO 
33 KT. SEAS 3.5 TO 4.0 M. REMAINDER AREA WITHIN 16N122W TO 
19N127W TO 19N131W TO 13N132W TO 09N128W TO 12N123W TO 16N122W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE ODALYS NEAR 14.8N 129.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE ODALYS NEAR 15.0N 129.4W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 
NM OF CENTER...EXCEPT 210 NM WW QUADRANT WITH SEAS TO 7.0 M. 
ELSEWHERE WITHIN 20N128W TO 19N134W TO 14N133W TO 10N129W TO 
11N127W TO 14N125W TO 20N128W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 
M. REMAINDER AREA WITHIN 20N126W TO 21N132W TO 22N140W TO 16N140W
TO 10N130W TO 13N124W TO 20N126W WINDS 20 KT OR LESS. SEAS 2.5 
TO 3.5 M IN MIXED SWELL.

...HURRICANE WARNING...
.TROPICAL DEPRESSION SEVENTEEN-E NEAR 14.9N 104.9W 1007 MB AT
2100 UTC SEP 20 MOVING NNE OR 030 DEG AT 7 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 14N103W TO 17N104W TO 16N106W TO
13N107W TO 11N105W TO 11N103W TO 14N103W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.12 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 15.2N 104.2W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 15.3N 103.2W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM S SEMICIRCLE...40 NM NE QUADRANT AND 30 NM NW 
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM S SEMICIRCLE AND 45 NM
N SEMICIRCLE WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 16N103W TO 
17N104W TO 15N106W TO 13N104W TO 13N103W TO 15N102W TO 16N103W 
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 
15N101W TO 17N103W TO 16N106W TO 13N106W TO 12N104W TO 12N103W TO
15N101W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE SEVENTEEN-E NEAR 15.2N 102.6W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE SEVENTEEN-E NEAR 15.1N 102.1W. 
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER. SEAS 4 M OR GREATER WITHIN 90 NM S 
SEMICIRCLE AND 45 NM N SEMICIRCLE WITH SEAS TO 6.5 M. ELSEWHERE 
WITHIN 17N100W TO 18N102W TO 15N105W TO 12N103W TO 12N101W TO 
14N100W TO 17N100W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. 
REMAINDER AREA WITHIN 16N99W TO 18N104W TO 16N106W TO 12N106W TO 
09N101W TO 12N97W TO 16N99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 
M IN MIXED SWELL. 

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 20N132W TO 22N134W TO 24N140W TO 17N140W TO 17N134W TO
20N132W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 20N135W TO 24N140W TO 14N140W TO
15N135W TO 18N134W TO 20N135W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M.
.48 HOUR FORECAST CONDITIONS MERGED WITH ODALYS. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 2100 UTC SUN SEP 20...

TROPICAL STORM ODALYS...NUMEROUS MODERATE TO STRONG FROM 08N TO 
12N BETWEEN 123W AND 127W. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE FROM 05N TO 14N BETWEEN 120W AND 130W.

TROPICAL DEPRESSION SEVENTEEN-E...SCATTERED MODERATE ISOLATED 
STRONG FROM 13N TO 17N BETWEEN 101W AND 106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 14N104W TO 09N120W. IT RESUMES 
NEAR 12N130W TO 13N140W. SCATTERED MODERATE ISOLATED STRONG 
FROM 02N TO 12N EAST OF 90W...FROM 03N TO 11N BETWEEN 92W AND 
100W...FROM 06N TO 14N BETWEEN 106W AND 114W...AND FROM 03N TO 
17N BETWEEN 130W AND 140W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.