665 
FZPN03 KNHC 240305
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 24.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 25.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 21.0N 122.7W 1002 MB AT 0300 UTC SEP
24 MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E
SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM NE...90 NM 
SE...30 NM SW AND 120 NM NW QUADRANTS WITH SEAS TO 20 FT.
ELSEWHERE WITHIN 20N121W TO 19N123W TO 23N125W TO 23N122W TO 
22N120W TO 20N121W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER
AREA WITHIN 22N118W TO 18N123W TO 22N126W TO 26N122W TO 25N119W 
TO 22N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 21.6N 126.2W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM NE...60 NM SE...50 NM SW AND 0 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 120 NM NE...90 NM SE...30
NM SW AND 90 NM NW QUADRANTS WITH SEAS TO 17 FT. ELSEWHERE 
WITHIN 22N124W TO 20N125W TO 20N127W TO 24N128W TO 24N124W TO 
22N124W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN
20N124W TO 19N128W TO 21N131W TO 25N131W TO 25N125W TO 20N124W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION LOWELL NEAR 21.7N 130.6W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 90 NM NE...60 NM SE...30 NM SW AND 60 NM NW QUADRANTS WITH
SEAS TO 14 FT. WITHIN 21N129W TO 20N131W TO 24N134W TO 25N132W 
TO 24N128W TO 21N129W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 21.5N 
135.4W. 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 21.4N 
140.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 21.8N 
145.2W. 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.

.FROM 06N TO 09N BETWEEN 89W AND 99W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN SW SWELL.
.24 HOUR FORECAST FROM 07N TO 10N BETWEEN 88W AND 100W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST NW OF LINE FROM 30N134W TO 26N140W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN NW SWELL. 
.24 HOUR FORECAST NW OF LINE FROM 30N125W TO 26N129W TO 22N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. 
.48 HOUR FORECAST ELSEWHERE NW OF LINE FROM 29N115W TO 12N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN PRIMARILY NW SWELL.

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

CONVECTION VALID AT 0300 UTC THU SEP 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 12N99W TO 15N108W...RESUMES FROM 
15N124W TO 11N133W. ITCZ FROM 11N133W TO 10N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 06N TO 10N BETWEEN 82W AND 97W. 
SCATTERED MODERATE FROM 06N TO 12N BETWEEN 107W AND 117W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.