000
FZPN03 KNHC 191527
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED AUG 19.
24 HOUR FORECAST VALID 1200 UTC THU AUG 20.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 09.5N136.5W 1008 MB MOVING W 12 KT. WITHIN 
16N135W TO 14N138W TO 13N139W TO 12N138W TO 12N134W TO 13N134W TO
16N135W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN MIXED E
AND SE SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...W OF
AREA NEAR 11N141W 1006 MB. WITHIN 16N138W TO 17N140W TO 12N140W 
TO 14N139W TO 14N138W TO 16N138W E WINDS 20 TO 25 KT. SEAS 2.5 
TO 3.0 M IN MIXED E AND SE SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...W OF
AREA NEAR 12.5N145W 999 MB. OVER FORECAST WATERS WITHIN 18N140W 
TO 15N140W TO 16.5N140W TO 16.5N139.5W TO 18N140W WINDS 20 KT OR 
LESS. SEAS 2.5 M IN E TO SE SWELL.

.WITHIN 15N95W TO 16N95W TO 15N95W TO 14N96W TO 14N95W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N...N WINDS 20 TO 
25 KT. SEAS LESS THAN 2.5 M.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 11N86W TO 11N89W TO 11N91W TO 10N92W TO 10N91W TO 10N88W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS TO 2.5 M IN S SWELL.
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E 
WINDS 25 KT. SEAS LESS THAN 2.5 M.
.45 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 01S92W TO 04N96W TO 00N135W TO 03.4S120W TO 03.4S81W TO
01S92W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SE TO S 
AND SW SWELL.
.24 HOUR FORECAST WITHIN 01N107W TO 03N108W TO 00N112W TO 
00N129W TO 03S120W TO 03.4S93W TO 01N107W WINDS 20 KT OR LESS. 
SEAS 2.5 M IN MIXED SE TO S AND SW SWELL.
.48 HOUR FORECAST WITHIN 02N110W TO 02N119W TO 00N121W TO 
03S115W TO 03.4S100W TO 02N110W WINDS 20 KT OR LESS. SEAS 2.5 M 
IN MIXED SE AND S SWELL.

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

CONVECTION VALID AT 1500 UTC WED AUG 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N74.5W TO 08N91W TO 09.5N107W TO 07N126W 
TO 11N136W TO LOW PRES, INVEST EP90, NEAR 09.5N136.5W TO BEYOND 
08N140W. SCATTERED MODERATE FROM 03N TO 08.5N E OF 84.5W. 
SCATTERED MODERATE TO STRONG FROM 04.5N TO 15.5N BETWEEN 85W AND 
97W...FROM 09.5N TO 15.5N BETWEEN 98W AND 104W...AND FROM 03N TO 
14N BETWEEN 114W AND 130W. SCATTERED MODERATE FROM 04.5N TO 13N 
BETWEEN 104W AND 114W. SCATTERED TO NUMEROUS MODERATE TO STRONG 
FROM 00N TO 14.5N BETWEEN 130W AND 146W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.