000
FZPN03 KNHC 200419
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI OCT 20 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 20.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 21.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 22.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE NORMA NEAR 18.2N 108.1W 948 MB AT 0300 UTC OCT 20
MOVING N OR 350 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...110 NM SE QUADRANT...100 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER 
EXCEPT 180 NM NE QUADRANT WITH SEAS TO 39 FT. WITHIN 21N105W TO 
22N109W TO 18N111W TO 16N109W TO 15N107W TO 18N103W TO 
21N105W...INCLUDING NEAR CABO CORRIENTES...E TO SE WINDS 20 TO 
33 KT. SEAS 13 TO 17 FT. WITHIN 17N102W TO 16N110W TO 23N107W TO
23N116W TO 10N113W TO 09N105W TO 17N102W...INCLUDING WITHIN 60 
NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.24 HOUR FORECAST HURRICANE NORMA NEAR 20.6N 109.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 150 NM NE QUADRANT...210 NM SE QUADRANT...240 NM SW
QUADRANT AND 390 NW QUADRANT WITH SEAS TO 36 FT. WITHIN 22N106W 
TO 23N108W TO 21N112W TO 19N111W TO 18N109W TO 19N106W TO 
22N106W...INCLUDING NEAR CABO CORRIENTES...S WINDS 20 TO 33 KT. 
SEAS 13 TO 17 FT. WITHIN 19N104W TO 18N110W TO 22N116W TO 
11N115W TO 10N108W TO 13N103W TO 19N104W...INCLUDING NEAR CABO 
CORRIENTES AND WITHIN 60 NM OF SHORE WINDS 20 KT OR LESS. SEAS 
8 TO 13 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NORMA NEAR 23.2N 109.4W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...80 NM SW QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 105 NM E SEMICIRCLE AND 90
NM W SEMICIRCLE WITH SEAS TO 29 FT. WITHIN 24N107W TO 26N109W TO
25N111W TO 22N111W TO 21N109W TO 22N108W TO 24N107W...INCLUDING 
THE GULF OF CALIFORNIA AND WITHIN 60 NM OF SHORE... SW WINDS 20 
TO 33 KT. SEAS 8 TO 10 FT. WITHIN 23N106W TO 25N113W TO 22N117W 
TO 17N116W TO 15N107W TO 17N104W TO 23N106W...INCLUDING NEAR CABO
CORRIENTES AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.60 HOUR FORECAST TROPICAL STORM NORMA NEAR 23.8N 109.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
.72 HOUR FORECAST TROPICAL STORM NORMA NEAR 24.4N 108.1W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL DEPRESSION NORMA INLAND NEAR 25.3N 
106.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.

.SYNOPSIS AND FORECAST.

.WITHIN 17N117W TO 30N116W TO 30N140W TO 04N140W TO 04N112W TO
17N117W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. 
.24 HOUR FORECAST WITHIN 16N114W TO 30N118W TO 30N128W TO 
05N139W TO 03N111W TO 11N104W TO 16N114W...INCLUDING SEBASTIAN 
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...N TO NE WINDS 20 TO 25 
KT. SEAS 8 TO 11 FT IN NW SWELL. 
.48 HOUR FORECAST WITHIN 16N115W TO 30N118W TO 26N127W TO 
00N133W TO 03S104W TO 07N101W TO 16N115W...INCLUDING WITHIN 60 NM
OF SHORE...NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW SWELL. 
WITHIN 29N114W TO 30N116W TO 30N118W TO 28N117W TO 26N115W TO 
26N113W TO 29N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 
60 NM OF SHORE...NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN W TO 
NW SWELL.

.WITHIN 16N93W TO 16N94W TO 16N95W TO 15N95W TO 14N95W TO 15N93W
TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC... NW TO N WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

CONVECTION VALID AT 0350 UTC FRI OCT 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO LOW PRESSURE (EP91) 
NEAR 08N95W TO 11N100W...THEN RESUMES WELL SW OF NORMA NEAR 
12N113W TO LOW PRESSURE NEAR 10N122W TO 06N130W TO 10N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 02N TO 10N BETWEEN 77W 
AND 92W...AND FROM 06N TO 12N BETWEEN 104W AND 113W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.