334 
FZPN03 KNHC 222109
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT AUG 22 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT AUG 22.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 23.
48 HOUR FORECAST VALID 1800 UTC MON AUG 24.

.WARNINGS.

...GALE WARNING...
.LOW PRES NEAR 13N111.5W 1008 MB. WITHIN 210 NM NE QUADRANT AND 180 
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.  
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N115.5W 1007 MB. WITHIN 90 NM E SEMICIRCLE OF CENTER WINDS 25 TO 
35 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE FROM 10N TO 21N BETWEEN 108W AND 
119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18.5N118.5W 1006 MB. WITHIN 120 NM E SEMICIRCLE...60 NM SW QUADRANT 
AND 90 NM NW QUADRANT OF CENTER WINDS 30 TO 40 KT. SEAS 3.0 TO 4.5 M.
ELSEWHERE FROM 11N TO 23N BETWEEN 111W AND 121W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN MIXED SWELL. 

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 10N117W 1009 MB. WITHIN 90 NM NE QUADRANT OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE FROM 05N TO 
10N BETWEEN 114W AND 118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 IN S 
SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N116W 1008 MB. WITHIN 150 NM SE SEMICIRCLE OF CENTER WINDS 20 TO 
30 KT. SEAS 2.5 TO 3.5 M. 
.48 HOUR FORECAST LOW PRES DISSIPATED.  

.N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.FROM 10N TO 11.5N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...NE TO 
E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 2100 UTC SAT AUG 22...

.TROPICAL WAVE NEAR 97W...SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS FROM 09N TO 12N BETWEEN 93W AND 99W. 

.LOW PRES NEAR 10N117W (EP91)...NUMEROUS MODERATE TO ISOLATED STRONG 
CONVECTION FROM 06N TO 10N BETWEEN 116W AND 121W...AND FROM 04N TO 
09N BETWEEN 121W AND 127W.

.LOW PRES NEAR 13N111.5W (EP92)...NUMEROUS MODERATE TO STRONG 
CONVECTION FROM 10N TO 17N BETWEEN 101W AND 117W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N83W TO 10N100W TO 13N111W TO 
07N140W. ASIDE FROM THE CONVECTION RELATED TO THE TROPICAL WAVE AND 
INVEST AREAS DESCRIBED ABOVE...SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS OBSERVED FROM 04N TO 09N E OF 91W, AND FROM 01N TO 07N 
W OF 134W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.