000
FZPN03 KNHC 250245
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 25 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 25.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 26.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 27.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 21.8N 127.0W 1004 MB AT 0300 UTC SEP
25 MOVING W OR 275 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...80 NM NE QUADRANT AND 0 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 120 NM N SEMICIRCLE...60 NM SE QUADRANT AND 75
NM SW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 17N125W TO 
18N129W TO 24N132W TO 29N125W TO 25N122W TO 17N125W WINDS 20 TO 
33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 22N124W TO 20N127W
TO 22N129W TO 24N129W TO 25N126W TO 22N124W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION LOWELL NEAR 21.8N 131.3W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 20N130W TO 
21N133W TO 24N135W TO 25N130W TO 24N129W TO 20N130W NE WINDS 20 
TO 30 KT. SEAS 12 TO 15 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 21.5N 
136.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 22N133W
TO 20N135W TO 22N139W TO 25N136W TO 25N133W TO 22N133W WINDS 20 
TO 25 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 15N135W TO 19N140W 
TO 28N140W TO 28N132W TO 24N128W TO 15N135W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 21.4N 
142.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 21.5N 
146.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 22.5N 
149.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 24N134W TO 22N140W TO 30N140W TO 30N125W TO 24N134W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 17N129W TO 13N140W TO 29N140W TO 
25N129W TO 30N116W TO 17N129W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 09N132W TO 09N140W TO 15N140W TO 
13N131W TO 09N132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL. WITHIN 24N113W TO 20N117W TO 26N124W TO 30N126W TO 
30N116W TO 24N113W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL.

.WITHIN 08N88W TO 08N99W TO 10N99W TO 11N95W TO 10N89W TO 08N88W
SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 03.4S111W TO 03.4S120W TO 01S120W TO
02S114W TO 02S111W TO 03.4S111W WINDS 20 KT OR LESS. SEAS 8 FT IN
SW SWELL.
.48 HOUR FORECAST WITHIN 03.4S103W TO 03.4S120W TO 02S120W TO 
00N113W TO 02S112W TO 03.4S103W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN SW SWELL.

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

CONVECTION VALID AT 0240 UTC FRI SEP 25...

.TS LOWELL...SCATTERED MODERATE WITHIN 120 NM SE SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 14N101W TO 12N134W. ITCZ FROM 
12N134W TO 11N140W. SCATTERED MODERATE ISOLATED STRONG 
N OF 05N E OF 87W. SCATTERED MODERATE FROM 07N TO 15N BETWEEN 
87W AND 110W...FROM 07N TO 12N BETWEEN 110W AND 125W...AND FROM 
09N TO 11N BETWEEN 135W AND 140W.


$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.