000
FZPN03 KNHC 220901
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 16.5N104.5W 1007 MB. SE QUADRANT WITHIN 300 NM SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N105W 1005 MB. WITHIN 120 NM SW SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18.5N105.5W 1004 MB. WITHIN 60 NM NE AND 90 NM SW SEMICIRCLES 
WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.FROM 08N TO 12N BETWEEN 110W AND 116W SW TO W WINDS 20 TO 25 
KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 09N TO 13N BETWEEN 99W AND 122W SW WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST FROM 09N TO 13N BETWEEN 110W AND 114W SW TO W 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 08N TO 14N 
BETWEEN 101W AND 117W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE 
SWELL AND SW WIND WAVES.

.POST-TROPICAL REMNANT LOW NORMA NEAR 22N116W 1010 MB. WITHIN 
270 NM W QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SWELL.
.18 HOUR FORECAST LOW DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.

.N OF 25N BETWEEN 117W AND 127W WINDS 20 KT OR LESS. SEAS TO 8 
FT PRIMARILY IN NW TO N SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 29.5N SW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 02S BETWEEN 87W AND 105W WINDS 20 KT OR LESS. SEAS 8 FT IN 
SE SWELL.
.12 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 0830 UTC FRI SEP 22... 

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N73W TO 08N79W TO 13N90W TO LOW PRES 1007 
MB NEAR 16.5N104.5W TO 14N115W TO 12N119W TO 12N128W TO LOW PRES 
1012 MB NEAR 11N137W TO BEYOND 12N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 60 NM NE AND 210 NM SW OF TROUGH BETWEEN 
87W AND 96W...FROM 16N TO 20N BETWEEN 105W AND 108W AND FROM 07N 
TO 11N BETWEEN 135W AND 140W. SCATTERED MODERATE ALONG AND UP TO 
210 NM S OF TROUGH AXIS BETWEEN 97W AND 133W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.