000
FZPN03 KNHC 210949
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE NORMA NEAR 21.7N 110.1W 958 MB AT 0900 UTC OCT 21
MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE
QUADRANTS...140 NM NE QUADRANT AND 100 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 240 NM S SEMICIRCLE...150 NM NE QUADRANT
AND 270 NM NW QUADRANT WITH SEAS TO 38 FT. WITHIN 23N106W TO 
25N108W TO 25N110W TO 23N113W TO 20N111W TO 20N106W TO 
23N106W...INCLUDING NEAR CABO CORRIENTES AND THE GULF OF 
CALIFORNIA AND WITHIN 60 NM OF SHORE...S WINDS 20 TO 33 KT. SEAS
9 TO 11 FT. WITHIN 20N105W TO 19N111W TO 25N112W TO 22N116W TO 
16N114W TO 15N109W TO 20N105W...INCLUDING NEAR CABO CORRIENTES 
AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE NORMA INLAND NEAR 23.5N 109.7W. 
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 
90 NM SW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 105 NM NE QUADRANT...150 NM SE QUADRANT...180 NM SW
QUADRANT AND 0 NM NW QUADRANT WITH SEAS TO 26 FT. WITHIN 23N106W
TO 27N109W TO 26N111W TO 23N112W TO 21N109W TO 22N107W TO 
23N106W...INCLUDING THE GULF OF CALIFORNIA AND WITHIN 60 NM OF 
SHORE...SW TO W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. WITHIN 
23N106W TO 21N110W TO 25N113W TO 22N116W TO 18N115W TO 16N107W 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.
.48 HOUR FORECAST TROPICAL STORM NORMA NEAR 24.2N 108.1W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM E SEMICIRCLE...60 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM W SEMICIRCLE WITH 
SEAS TO 20 FT. WITHIN 25N109W TO 26N110W TO 25N111W TO 22N109W 
TO 22N107W TO 23N106W TO 25N109W...INCLUDING THE GULF OF 
CALIFORNIA...W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.60 HOUR FORECAST TROPICAL STORM NORMA INLAND NEAR 24.7N 107.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.72 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 17N115W TO 30N116W TO 30N129W TO 00N140W TO 03S105W TO
08N100W TO 17N115W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN
60 NM OF SHORE...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN 
NW SWELL. 
.24 HOUR FORECAST WITHIN 17N102W TO 17N113W TO 30N124W TO 
18N122W TO 00N135W TO 03.4S96W TO 17N102W...INCLUDING THE GULF OF
CALIFORNIA AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF 
SHORE...S WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW SWELL. 
.48 HOUR FORECAST WITHIN 30N115W TO 30N118W TO 26N118W TO 
25N116W TO 26N115W TO 30N115W...INCLUDING THE GULF OF CALIFORNIA 
AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE... NW TO N 
WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 11N100W TO 11N109W TO 
03N116W TO 00N126W TO 03.4S120W TO 03.4S91W TO 11N100W...EXCEPT
LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN NW SWELL.

.WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS MERGED WITH SECTION BELOW.

.LOW PRES NEAR 09N96W 1007 MB. WITHIN 10N92W TO 13N97W TO 
11N100W TO 07N99W TO 06N95W TO 10N92W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN W SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
09N96W 1007 MB. WITHIN 12N93W TO 13N97W TO 12N99W TO 06N99W TO 
05N96W TO 07N93W TO 12N93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN W TO NW SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
09N96W 1007 MB. WITHIN 12N92W TO 13N96W TO 11N99W TO 07N99W TO 
06N94W TO 08N92W TO 12N92W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN W TO NW SWELL.

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

CONVECTION VALID AT 0950 UTC SAT OCT 21...

.HURRICANE NORMA...NUMEROUS MODERATE TO STRONG FROM 21N TO 24N 
BETWEEN 108W AND 111W. SCATTERED MODERATE ELSEWHERE FROM 18N TO 
28N BETWEEN 105W AND 114W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM THE COAST OF COSTA RICA NEAR 10N86W TO LOW 
PRES NEAR 09N96W 1007 MB TO 10N105W...THEN RESUMES WELL SW OF 
NORMA NEAR 09N124W TO 07N130W. THE ITCZ CONTINUES FROM THAT POINT
TO 11N140W. NUMEROUS MODERATE TO STRONG FROM 07N TO 11N BETWEEN 
96W AND 102W. SCATTERED MODERATE TO STRONG FROM 00N TO 13N E OF 
94W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.