000
FZPN03 KNHC 100323
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE OCT 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE OCT 10.
24 HOUR FORECAST VALID 0000 UTC WED OCT 11.
48 HOUR FORECAST VALID 0000 UTC THU OCT 12.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LIDIA NEAR 18.2N 110.2W 983 MB AT 0300 UTC OCT 10 
MOVING ENE OR 065 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 65 KT 
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E 
SEMICIRCLE AND 50 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
150 NM E SEMICIRCLE...120 NM SW QUADRANT AND 90 NM NW QUADRANT 
WITH SEAS TO 24 FT. ELSEWHERE WITHIN 180 NM E AND 150 NM W 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE 
AREA FROM 12N TO 23N BETWEEN 105 AND 115W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.  
.24 HOUR FORECAST HURRICANE LIDIA NEAR 20.6N 105.9W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE AND SW QUADRANTS...60 NM NW QUADRANT AND 100 NM 
SE QUADRANT. SEAS 12 FT OR GREATER FROM 17N TO 23N BETWEEN 104 
AND 108W WITH SEAS TO 28 FT. ELSEWHERE FROM 16N TO 23N E OF 108W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF THE AREA FROM 
13N TO 24N BETWEEN 103W AND 112W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM LIDIA INLAND NEAR 22.5N 103.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 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.

.TROPICAL DEPRESSION MAX NEAR 18.1N 100.9W 1002 MB AT 0300 UTC 
OCT 10 MOVING NNE OR 030 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 30 
KT GUSTS 40 KT. OVER FORECAST WATERS N OF 15N BETWEEN 100W AND 
103W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST POST-TROPICAL MAX NEAR 18.8N 100.1W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST WATERS WINDS 20 
KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST...DISSIPATED.

.FROM 10N TO 12N BETWEEN 120W AND 126W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 10N TO 12N BETWEEN 112W AND 117W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 98W AND 108W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND SW SWELL.

.24 HOUR FORECAST FROM 24N TO 30N E OF 117W NW WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 28N BETWEEN 117W AND 125W NW TO N WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. N OF A LINE FROM 28N125W TO 28N132W 
TO 30N137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

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

CONVECTION VALID AT 0300 UTC TUE OCT 10...

.HURCN LIDIA...NUMEROUS MODERATE TO SCATTERED STRONG WITHIN 
90 NM NE AND 60 NM SW SEMICIRCLES. SIMILAR CONVECTION IS 
IN AN OUTER BAND FROM 15N TO 18N BETWEEN 111W AND 114W. 

.T.D. MAX...NUMEROUS MODERATE TO SCATTERED STRONG WITHIN 60 NM S 
AND 30 NM N SEMICIRCLES. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N84W TO 12N96W, THEN RESUMES 
SW OF HURRICANE LIDIA NEAR 12N113W TO 09N140W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 11N TO 13N 
BETWEEN 110W AND 122W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.