724
FZPN28 KNHC 210841
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
141 AM PDT Fri Aug 21 2026

Offshore Waters Forecast for the E Pacific within 250 nm of
Central America, Colombia, and within 750 nm of Ecuador

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.

PMZ101-212045-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
141 AM PDT Fri Aug 21 2026

.SYNOPSIS...High pressure will persist over the eastern Gulf of
America and northwestern Caribbean into early next week, leading
to fresh NE to E gap winds pulsing to strong winds over the
Papagayo region each evening and night. Moderate to fresh winds
extending well downwind of Papagayo will impact the outer waters
offshore of El Salvador and Guatemala through at least early
next week. South of the monsoon trough, winds will gradually
diminish and remain light to gentle through the weekend. Mainly
moderate seas will prevail away from the Gulf of Papagayo area
through the next several days. Southeasterly swell producing
rough seas across the southern waters will subside today.

$$

PMZ111-212045-
Guatemala and El Salvador to 250 nm offshore-
141 AM PDT Fri Aug 21 2026

.TODAY...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 12 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...NE winds 10 kt. Seas 5 to 7 ft in S swell. Period
11 seconds. Scattered showers and isolated tstms through the
night.
.SAT...NE winds 10 to 15 kt, shifting to E to SE in the
afternoon. Seas 5 to 7 ft in SE to S swell. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.SAT NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in SE to S
swell. Period 13 seconds. Scattered showers and isolated tstms.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.SUN NIGHT...NE to E winds 10 kt. Seas 4 to 6 ft in S swell.
Period 11 seconds.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.MON NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds.
.TUE NIGHT...E winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.

$$

PMZ113-212045-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
141 AM PDT Fri Aug 21 2026

.TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in SE to S
swell. Period 12 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds. Scattered showers and isolated tstms through the
night.
.SAT...NE to E winds 20 kt Offshore Gulf of Papagayo, and NE to
E 15 to 20 kt Elsewhere. Seas 5 to 7 ft in SE to S swell. Period
11 seconds. Scattered showers and isolated tstms through the
day.
.SAT NIGHT...Offshore Gulf of Papagayo, NE to E winds 20 kt.
Elsewhere, E to SE winds 10 to 15 kt, shifting to NE 15 to 20 kt
late. Seas 4 to 6 ft. Period 10 seconds. Scattered
showers and isolated tstms through the night.
.SUN...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
10 seconds.
.SUN NIGHT...NE to E winds 20 to 25 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds.
.TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds.
.TUE NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
SE 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 12 seconds.

$$

PMZ115-212045-
North Costa Rica to West Panama to 250 nm offshore-
141 AM PDT Fri Aug 21 2026

.TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S
swell. Period 12 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...Near the Azuero Peninsula, variable winds less than
5 kt. Elsewhere, variable winds less than 5 kt, becoming SW to W
10 kt late. Seas 4 to 6 ft in S swell. Period
11 seconds. Scattered showers and isolated tstms through the
night.
.SAT...Variable winds less than 5 kt, becoming SW to W 10 kt in
the afternoon. Seas 4 to 6 ft in S swell. Period 11 seconds.
Scattered showers and isolated tstms.
.SAT NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period
10 seconds. Scattered showers and isolated tstms through the
night.
.SUN...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell.
Period 10 seconds.
.SUN NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 10 seconds.
.MON...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 10 seconds.
.MON NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
13 seconds.
.TUE...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 2 to 4 ft. Period 13 seconds.
.TUE NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
12 seconds.

$$

PMZ117-212045-
East Panama and Colombia including the Gulf of Panama-
141 AM PDT Fri Aug 21 2026

.TODAY...Variable winds less than 5 kt, becoming W 10 kt in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 12 seconds.
Scattered showers and isolated tstms through the day.
.TONIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 11 seconds. Scattered showers and isolated tstms through
the night.
.SAT...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. Scattered
showers and isolated tstms through the day.
.SAT NIGHT...Gulf of Panama, variable winds less than 5 kt,
becoming NW 10 kt late. Elsewhere, SW winds 10 kt.
Seas 3 to 5 ft. Period 14 seconds. Scattered showers and
isolated tstms through the night.
.SUN...Variable winds less than 5 kt Gulf of Panama, and SW to W
10 kt Elsewhere. Seas 3 to 5 ft. Period 11 seconds.
.SUN NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 11 seconds.
.MON...SW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds.
.MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.

$$

PMZ119-212045-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
141 AM PDT Fri Aug 21 2026

.TODAY...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 to 15 kt in the afternoon. Elsewhere, S to SW
winds 10 kt. Seas 4 to 6 ft in S swell. Period 10 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S swell.
Period 12 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
13 seconds.
.SUN...S to SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ121-212045-
Ecuador between 250 and 500 nm offshore-
141 AM PDT Fri Aug 21 2026

.TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period
10 seconds.
.TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
10 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft in SE to S swell.
Period 11 seconds.
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 10 seconds.
.SUN...S winds 10 kt. Seas 3 to 5 ft. Period 10 seconds.
.SUN NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.MON...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.TUE...S winds 15 kt. Seas 3 to 5 ft. Period 13 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ123-212045-
Offshore Galapagos Islands-
141 AM PDT Fri Aug 21 2026

.TODAY...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell.
Period 12 seconds.
.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell.
Period 11 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 12 seconds.
.SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S
swell. Period 12 seconds.
.SUN...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 11 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S
swell. Period 13 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

Forecaster ERA