000
FZPN03 KNHC 100936
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE OCT 10.
24 HOUR FORECAST VALID 0600 UTC WED OCT 11.
48 HOUR FORECAST VALID 0600 UTC THU OCT 12.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LIDIA NEAR 18.6N 109.2W 977 MB AT 0900 UTC OCT 10 
MOVING ENE OR 070 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE 
QUADRANT...100 NM SE QUADRANT...80 NM SW QUADRANT...AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER EXCEPT 
150 NM SE QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 150 NM 
OF CENTER...EXCEPT 180 NM SE QUADRANT 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 TROPICAL STORM LIDIA INLAND NEAR 21.1N 104.4W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 20 NM OF CENTER EXCEPT 30 NM SE QUADRANT. SEAS 12 
FT OR GREATER FROM 20N TO 22N E OF 106W WITH SEAS TO 13 FT. 
ELSEWHERE FROM 12N TO 24N BETWEEN 103W AND 111W...INCLUDING THE 
ENTRANCE TO THE GULF OF CALIFORNIA...WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN MIXED SWELL...EXCEPT 8 TO 9 FT NEAR THE ENTRANCE TO 
THE GULF OF CALIFORNIA.
.36 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.

.REMNANTS OF MAX NEAR 19.5N 100.5W 1005 MB AT 0900 UTC OCT 10 
MOVING NNE OR 025 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 20 KT 
GUSTS 30 KT. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST DISSIPATED. 

.18 HOUR FORECAST FROM 24N TO 30N E OF 117W NW WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST N OF 29N BETWEEN 117W AND 124W NW TO N WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. N OF A LINE FROM 29N124W TO 28N132W 
TO 30N137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 118W AND 124W NW TO N WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE N OF 27N BETWEEN 116W AND 
135W 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 0900 UTC TUE OCT 10...

.HURCN LIDIA...NUMEROUS MODERATE TO STRONG WITHIN 120 NM NE AND 
45 NM SW SEMICIRCLES. SCATTERED MODERATE IS IN AN OUTER BAND 
FROM 15N TO 18N BETWEEN 110W AND 114W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N84W TO 12N96W, THEN RESUMES 
SW OF HURRICANE LIDIA NEAR 12N120W TO 08N140W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 07N TO 09N 
BETWEEN 81W AND 84W...AND N OF 11N BETWEEN 86W AND 90W. 
SCATTERED MODERATE CONVECTION IS FROM 03N TO 10N BETWEEN 88W AND 
97W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.