966
FZPN03 KNHC 202050
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU AUG 20.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 21.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 11N87W TO 10N89W TO 10N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 10N87.5W TO 10N88.5W TO
10N89.5W TO 09.5N89W TO 09.5N88W TO 10N87.5W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NE TO E SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 12N99W TO 11N100W TO 11N96W TO 09N94W TO 11N93W TO
12N99W E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN E TO SE SWELL.
.24 HOUR FORECAST WITHIN 13N102W TO 13N103W TO 12N103W TO
10N102W TO 10N101W TO 12N101W TO 13N102W E TO SE WINDS 20 TO 25
KT. SEAS 2.5 M. WITHIN 13N100W TO 14N103W TO 12N103W TO 09N100W
TO 10N99W TO 13N100W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SE
SWELL.
.48 HOUR FORECAST WITHIN 12N106W TO 14N107W TO 14N108W TO
13N107W TO 09N109W TO 10N107W TO 12N106W SE TO S WINDS 20 TO 25
KT. SEAS 2.5 M IN SE TO S SWELL. ELSEWHERE WITHIN 16N105W TO
16N109W TO 06N111W TO 05N110W TO 10N107W TO 10N106W TO 16N105W
WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO S SWELL.

.WITHIN 11N112W TO 11N113W TO 11N114W TO 09N114W TO 09N113W TO
10N111W TO 11N112W E WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 12N114W TO 11N115W TO 10N116W TO
10N114W TO 11N113W TO 12N114W WINDS 20 KT OR LESS. SEAS 2.5 M IN
SE TO S SWELL.
.48 HOUR FORECAST WITHIN 14N116W TO 13N118W TO 13N117W TO
13N115W TO 14N116W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN SE
SWELL. ELSEWHERE WITHIN 09N114W TO 14N115W TO 13N119W TO 09N116W
TO 03N117W TO 07N112W TO 09N114W WINDS 20 KT OR LESS. SEAS 2.5 M
IN SE SWELL.

.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15N95.5W TO 15N95W
TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 01S105W TO 06N110W TO 00N113W TO 00N131W TO 03.4S115W TO
03.4S89W TO 01S105W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SE
AND S SWELL.
.24 HOUR FORECAST WITHIN 02N108W TO 02N114W TO 02S116W TO
01S111W TO 03.4S109W TO 02S105W TO 02N108W WINDS 20 KT OR LESS.
SEAS 2.5 M IN SE SWELL.
.48 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF WINDS AND
SEAS TO THE N AND DESCRIBED ABOVE.

.WITHIN 17.5N140W TO 16.5N140W TO 16.5N139W TO 17.5N140W WINDS
20 KT OR LESS. SEAS 2.5 M IN E TO SE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 2030 UTC THU AUG 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N74.5W TO 08.5N87W TO 09N105W TO 1008 MB
LOW PRESSURE NEAR 08.5N113W TO 06N124W TO 07N140W. SCATTERED TO
NUMEROUS MODERATE TO STRONG CONVECTION FROM 03.5N TO 11.5N E OF
87W...FROM 06.5N TO 16.5N BETWEEN 92W AND 107W...AND FROM 04N TO
14N BETWEEN 109W AND 117W. SCATTERED MODERATE ISOLATED STRONG
CONVECTION FROM 06N TO 14N BETWEEN 87W AND 109W AND FROM 03N TO
11N BETWEEN 117W AND 137W. SCATTERED MODERATE CONVECTION FROM 13N
TO 17N BETWEEN 137W AND 140W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.