000
FZPN03 KNHC 210956
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI OCT 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI OCT 21.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 22.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 23.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ROSLYN NEAR 16.2N 103.8W 998 MB AT 0900 UTC OCT 
21 MOVING WNW OR 300 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N 
SEMICIRCLE...80 NM SE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 100 NM N SEMICIRCLE...60 NM SE QUADRANT AND 0 
NM SW QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 17N102W TO 
18N103W TO 17N105W TO 14N104W TO 14N102W TO 15N101W TO 17N102W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 
15N104W TO 18N104W TO 18N106W TO 16N106W TO 12N105W TO 14N102W TO
15N104W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE ROSLYN NEAR 16.6N 104.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE ROSLYN NEAR 17.4N 105.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90
NM W SEMICIRCLE...90 NM SW QUADRANT AND 75 NM SE QUADRANT WITH 
SEAS TO 24 FT. ELSEWHERE WITHIN 18N102W TO 20N106W TO 17N107W TO 
16N106W TO 15N104W TO 16N103W TO 18N102W... INCLUDING CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 20N106W TO 17N114W TO 06N126W TO 03N91W TO 20N106W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ROSLYN NEAR 20.5N 106.2W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM W SEMICIRCLE...70 NM NE QUADRANT AND 80 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 100 NM SW QUADRANT...90 NM
NW AND SE QUADRANT...AND 60 NM NE QUADRANT WITH SEAS TO 26 FT. 
ELSEWHERE WITHIN 22N106W TO 22N107W TO 21N108W TO 19N107W TO 
19N105W TO 20N106W TO 22N106W...INCLUDING CABO CORRIENTES...WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N102W 
TO 23N107W TO 18N115W TO 15N109W TO 11N111W TO 09N105W TO 18N102W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 25.7N 
103.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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 16N94W TO 16N95W TO 14N97W TO 13N97W TO 13N95W TO 14N95W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 14N94W TO 13N98W TO 
11N99W TO 09N97W TO 10N95W TO 14N94W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 30N130W TO 30N140W TO 26N140W TO 24N138W TO 25N133W TO
30N130W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N128W TO 30N140W TO 19N140W TO 
21N136W TO 26N133W TO 30N128W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N124W TO 30N140W TO 16N140W TO 
22N135W TO 30N124W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE
SWELL.

.WITHIN 10N113W TO 15N131W TO 10N137W TO 01N131W TO 03.4S120W TO
03.4S98W TO 10N113W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 18N123W TO 17N130W TO 16N133W TO 
13N134W TO 12N129W TO 15N123W TO 18N123W WINDS 20 KT OR LESS. 
SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN 16N124W TO 17N129W TO 15N133W TO 
12N133W TO 12N130W TO 16N124W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL.

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

CONVECTION VALID AT 0900 UTC FRI OCT 21...

.T.S. ROSLYN...NUMEROUS MODERATE TO ISOLATED STRONG FROM 12N TO 
18N BETWEEN 98W AND 106W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N85W TO 13N97W THEN RESUMES NEAR 
13N108W TO 11N124W TO BEYOND 10N140W. SCATTERED MODERATE ISOLATED
STRONG FROM 05N TO 14N BETWEEN 77W AND 92W. SCATTERED MODERATE 
FROM 07N TO 14N BETWEEN 106W AND 136W. 

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.