000
FZPN03 KNHC 310851
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE OCT 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 31.
24 HOUR FORECAST VALID 0600 UTC WED NOV 1.
48 HOUR FORECAST VALID 0600 UTC THU NOV 2.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM PILAR NEAR 11.4N 90.4W 1000 MB AT 0900 UTC OCT
31 MOVING ENE OR 075 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
75 NM OF CENTER WITH SEAS TO 17 FT. ELSEWHERE WITHIN 13N88W TO
14N92W TO 12N93W TO 08N92W TO 08N88W TO 10N87W TO 13N88W WINDS 20
TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM PILAR NEAR 11.8N 89.9W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE...AND
75 NM W SEMICIRCLE WITH SEAS TO 19 FT. ELSEWHERE WITHIN 12N88W
TO 14N89W TO 13N91W TO 11N91W TO 10N90W TO 11N89W TO 12N88W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 13N88W TO
14N91W TO 12N92W TO 10N92W TO 10N89W TO 10N88W TO 13N88W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM PILAR NEAR 11.3N 92.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM S SEMICIRCLE...60 NM NE QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE...AND
75 NM W SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 13N92W 
TO 13N93W TO 12N94W TO 11N93W TO 10N92W TO 11N91W TO 13N92W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM PILAR NEAR 10.1N 97.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM PILAR NEAR 9.2N 102.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM PILAR NEAR 9.5N 108.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

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

...STORM WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 15N94W TO 16N94W TO 
16N95W TO 16N96W TO 13N95W TO 15N94W N WINDS 20 TO 30 KT. SEAS 8
TO 11 FT.
.18 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 14N96W TO
14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 16N94W TO
16N95W TO 15N96W TO 13N96W TO 13N95W TO 15N93W TO 16N94W N WINDS
30 TO 35 KT. SEAS 12 TO 16 FT. REMAINDER OF AREA WITHIN 15N93W 
TO 16N95W TO 14N97W TO 09N96W TO 08N95W TO 10N93W TO 15N93W N 
WINDS 20 TO 30 KT. SEAS 10 TO 14 FT. ALSO WITHIN 13N92W TO 
16N95W TO 13N97W TO 09N96W TO 08N95W TO 11N92W TO 13N92W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 22 FT.
.48 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 15N95W 
TO 14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 35 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE WITHIN 14N94W TO
16N94W TO 16N96W TO 14N96W TO 12N96W TO 13N95W TO 14N94W N TO NE
WINDS 30 TO 35 KT. SEAS 12 TO 16 FT. REMAINDER OF AREA WITHIN
16N93W TO 16N96W TO 12N98W TO 09N98W TO 10N95W TO 11N93W TO 
16N93W N TO NE WINDS 20 TO 30 KT. SEAS 10 TO 16 FT IN N TO NE 
SWELL. ALSO EXCEPT AS NOTED WITH PILAR...WITHIN 11N87W TO 15N93W
TO 15N97W TO 08N100W TO 05N94W TO 07N88W TO 11N87W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 31N113W TO 32N115W TO 30N114W TO 29N113W TO 25N111W TO
28N111W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...NW TO N 
WINDS 20 TO 30 KT WITH OCCASIONALLY HIGHER LOCAL GUSTS N OF 
29.5N. SEAS LESS THAN 8 FT...EXCEPT 8 TO 9 FT FROM 29N TO 31N. 
.24 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 32N115W TO 30N115W
TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF 
CALIFORNIA...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.LOW PRES...EP93...NEAR 11.5N117W 1008 MB. WITHIN 10N116W TO 
11N117W TO 09N120W TO 08N120W TO 08N118W TO 08N117W TO 10N116W 
WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.24 HOUR FORECAST LOW PRES...EP93...NEAR 11.5N116W 1008 MB. 
WITHIN 13N116W TO 14N117W TO 13N118W TO 11N118W TO 11N117W TO 
11N116W TO 13N116W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.30 HOUR FORECAST LOW PRES...EP93...NEAR 11.5N115.5W 1009 MB.
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 0730 UTC TUE OCT 31...

.TROPICAL STORM PILAR...NUMEROUS MODERATE ISOLATED STRONG 
FROM 10N TO 14N BETWEEN 86W AND 94W. SCATTERED MODERATE 
FROM 05N TO 10N BETWEEN 83W AND 97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM WELL SW OF PILAR NEAR 07N100W TO 12.5N113W 
TO LOW PRES...EP93...NEAR 11.5N117W TO 07N129W. ITCZ FROM 
07N129W TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG 
FROM 01N TO 06N BETWEEN 77W AND 83W...FROM 09N TO 14N BETWEEN 
111W AND 119W...AND FROM 03N TO 08N BETWEEN 136W AND 140W. 
SCATTERED MODERATE FROM 05N TO 08N BETWEEN 122W AND 126W...AND 
FROM 04N TO 06N BETWEEN 132W AND 135W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.