000
FZPN03 KNHC 201457
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU OCT 20.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 21.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 22.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ROSLYN NEAR 15.2N 102.0W 1006 MB AT 1500 UTC OCT
20 MOVING W OR 275 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 50 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NE
QUADRANT WITH SEAS TO 12 FT. ELSEWHERE WITHIN 17N100W TO 18N103W
TO 17N104W TO 15N104W TO 14N102W TO 15N100W TO 17N100W WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM ROSLYN NEAR 15.7N 103.7W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 30
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NW 
QUADRANT...90 NM NE QUADRANT...60 NM SE QUADRANT...AND 30 NM SW 
QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 16N102W TO 18N103W 
TO 18N105W TO 16N105W TO 14N105W TO 15N102W TO 16N102W WINDS 20 
TO 33 KT. SEAS 11 TO 12 FT. REMAINDER AREA WITHIN 15N102W TO 
18N102W TO 17N106W TO 14N105W TO 10N110W TO 11N105W TO 15N102W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE ROSLYN NEAR 16.3N 104.6W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE ROSLYN NEAR 17.2N 105.5W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM E SEMICIRCLE...75 NM NW QUADRANT...AND 60 NM SW QUADRANT 
WITH SEAS TO 26 FT. ELSEWHERE WITHIN 18N103W TO 20N105W TO 
19N107W TO 16N107W TO 15N105W TO 17N103W TO 18N103W WINDS 20 TO 
33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 18N101W TO 21N107W
TO 18N112W TO 09N114W TO 09N104W TO 18N101W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE ROSLYN NEAR 20.3N 105.9W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ROSLYN INLAND NEAR 24.0N 
104.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 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.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40
KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO 16N96W
TO 13N96W TO 12N95W TO 13N94W TO 16N94WN WINDS 20 TO 30 KT. SEAS
9 TO 11 FT. REMAINDER AREA WITHIN 16N94W TO 15N96W TO 13N97W TO 
12N95W TO 12N94W TO 13N93W TO 16N94W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN N TO NE SWELL.
.18 HOUR FORECAST WITHIN 16N95W TO 13N97W TO 13N96W TO 13N95W TO
14N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 15N94W TO 
15N96W TO 11N98W TO 10N97W TO 11N95W TO 15N94W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N95W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
ELSEWHERE WITHIN 15N95W TO 15N96W TO 12N98W TO 11N99W TO 11N97W 
TO 13N95W TO 15N95W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO
NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 00N111W TO 02N123W TO 00N128W TO 02S120W TO 03.4S120W TO
03.4S106W TO 00N111W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 07N116W TO 10N119W TO 11N127W TO 
05N127W TO 03N122W TO 04N117W TO 07N116W WINDS 20 KT OR LESS. 
SEAS 8 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 08N118W TO 09N121W TO 07N123W TO 
04N123W TO 04N119W TO 05N118W TO 08N118W WINDS 20 KT OR LESS. 
SEAS 8 FT IN S TO SW SWELL.

.WITHIN 30N131W TO 30N140W TO 29N140W TO 27N138W TO 28N133W TO
30N131W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N129W TO 30N140W TO 24N140W TO
24N135W TO 30N129W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 27N128W TO 30N127W TO 30N140W TO 
19N140W TO 27N128W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL.

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

CONVECTION VALID AT 1500 UTC THU OCT 20...

.TROPICAL STORM ROSLYN...NUMEROUS MODERATE ISOLATED STRONG FROM 
12N TO 19N BETWEEN 97W AND 106W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 14N96W. IT RESUMES FROM 13N108W TO
10N114W TO 10N138W TO 12N140W. SCATTERED MODERATE ISOLATED 
STRONG FROM 02N TO 07N E OF 82W...FROM 09N TO 13N BETWEEN 107W 
AND 112W...FROM 10N TO 12N BETWEEN 120W AND 125W...AND FROM 08N 
TO 11N BETWEEN 130W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.