000
FZPN03 KNHC 210942
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED AUG 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 21.
24 HOUR FORECAST VALID 0600 UTC THU AUG 22.
48 HOUR FORECAST VALID 0600 UTC FRI AUG 23.

.WARNINGS.

...GALE WARNING...
.LOW PRES NEAR 14.5N104.5W 1007 MB MOVING W AT 15 KT. WITHIN 240 
NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 
14N BETWEEN 97W AND 101W SE WINDS 20 TO 25 KT. SEAS 8 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.5N110W 1006 MB. WITHIN 210 NM NE SEMICIRCLE WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 17.5N TO 21N BETWEEN 103W AND 
107W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17.5N112.5W 1005 MB. WITHIN 120 NM NE AND 90 NM SE QUADRANTS 
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 12N WITHIN 
360 NM E SEMICIRCLE AND WITHIN 120 NM W SEMICIRCLE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18.5N114W 1002 MB. WITHIN 120 NM E SEMICIRCLE WINDS 30 TO 45 KT. 
SEAS 10 TO 18 FT. ELSEWHERE WITHIN 360 NM SE AND 120 NM NW 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF 
AREA FROM 11.5N TO 22N BETWEEN 103W AND 116W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 16N123.5W 1011 MB. FROM 15N TO 17.5N BETWEEN 124W 
AND 130W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES NEAR 15N128W 1011 MB. FROM 12N TO 16N 
BETWEEN 123W AND 133W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED 
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 14N133W 1012 MB. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.FROM 07.5N TO 11N BETWEEN 101W AND 112W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN S TO SW SWELL. 
.24 HOUR FORECAST FROM 07N TO 13N BETWEEN 105W AND 112W S TO SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW SWELL. ELSEWHERE FROM 
06N TO 14N BETWEEN 100W AND 118W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN MIXED SWELL. 
.48 HOUR FORECAST FROM 10N TO 12.5N BETWEEN 116W AND 125W WINDS 
SW 20 TO 25 KT. SEAS 8 TO 10 FT. 

.FROM 13N TO 17N W OF 133W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED SWELL. 
.24 HOUR FORECAST FROM 14N TO 20N W OF 133W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 16N TO 19N W OF 137W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.

.12 HOUR FORECAST N OF 25N BETWEEN 117W AND 121W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED NW AND N SWELL.
.24 HOUR FORECAST N OF 28.5N BETWEEN 120W AND 123W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED NW AND N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.30 HOUR FORECAST GULF OF CALIFORNIA N OF 29N S TO SE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 30N S TO SE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0830 UTC WED AUG 21...

.LOW PRES NEAR 14.5N104.5W...NUMEROUS MODERATE SCATTERED STRONG 
WITHIN 180 NM NW AND 120 NM SE SEMICIRCLES. SCATTERED MODERATE 
TO STRONG ELSEWHERE FROM 06.5N TO 18N BETWEEN 94W AND 118W.

.FROM 20N TO 26.5N E OF 111W TO COAST OF MEXICO...SCATTERED 
MODERATE TO STRONG. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 10N73W TO 08N80W TO 11.5N91W TO LOW PRES 
NEAR 14.5N104.5W TO 11.5N110W TO 16.5N120W TO LOW PRES NEAR 
16N123.5W TO NEAR 12N139W. SCATTERED STRONG CONVECTION FROM 03N 
TO 08.5N E OF 79.5W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION FROM 05.5N TO 10N BETWEEN 81W AND 93W. SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 120 NM EITHER SIDE OF 
TROUGH BETWEEN 130W AND 140W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.