000
FZPN03 KNHC 251554
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED OCT 25 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED OCT 25.
24 HOUR FORECAST VALID 1200 UTC THU OCT 26.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 27.

.WARNINGS.

...GALE WARNING... 
.WITHIN 75 NM EITHER SIDE OF LINE FROM 16N95W TO 11.5N96.5W N TO 
NE WINDS 30 TO 45 KT. SEAS 16 TO 23 FT. ELSEWHERE WITHIN 150 NM 
EITHER SIDE OF LINE FROM 16N95W TO 09.5N97W N TO NE WINDS 20 TO 
30 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA FROM 03N TO 10N 
BETWEEN 90W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL. 
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W TO 12.5N96.5W...INCLUDING THE GULF OF TEHUANTEPEC...N 
TO NE WINDS 30 TO 35 KT. SEAS 14 TO 18 FT. ELSEWHERE WITHIN 90 
NM EITHER SIDE OF LINE FROM 16N95W TO 13.5N95W TO 10N99W N TO NE 
WINDS 20 TO 30 KT. SEAS 12 TO 16 FT. REMAINDER OF AREA FROM 02N 
TO 14N BETWEEN 92W AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT 
IN MIXED SWELL. 
.30 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 16N95W 
TO 11N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 02N TO 14N BETWEEN 
92W AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 01N TO 12N BETWEEN 95W AND 111W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. 

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST FROM 05N TO 09N BETWEEN 83W AND 90W SW WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST LOW PRES NEAR 09N86W 1009 MB. FROM 05N TO 09N 
BETWEEN 84W AND 92W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 
09N TO 11N BETWEEN 86W AND 92W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN MIXED SW AND NW SWELL. 
.48 HOUR FORECAST LOW PRES NEAR 10N88W 1008 MB. WITHIN 90 NM E 
SEMICIRCLE OF LOW E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 
05N TO 08N BETWEEN 86W AND 95W S TO SW WINDS 20 TO 25 KT. SEAS 
TO 10 FT.

.N OF A LINE FROM 22N115W TO 26N134W AND FROM 09N TO 15N W OF 
131W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED S AND NW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.06 HOUR FORECAST 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 1445 UTC WED OCT 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N85W TO 07N110W TO 07N138W WHERE IT 
TRANSITIONS TO THE ITCZ THAT CONTINUES BEYOND 07N140W. NUMEROUS 
MODERATE AND ISOLATED STRONG FROM 05N TO 13N E OF 90W. SCATTERED 
MODERATE ISOLATED STRONG FROM 07N TO 14N BETWEEN 90W AND 
105W...AND FROM 05N TO 12N BETWEEN 114W AND 136W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.