894
FZPN28 KNHC 211601
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
901 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.

PMZ101-220415-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
901 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 speeds 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 through the next
several days.

$$

PMZ111-220415-
Guatemala and El Salvador to 250 nm offshore-
901 AM PDT Fri Aug 21 2026

.TODAY...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in SE to S
swell. Period 12 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in S swell.
Period 11 seconds. Scattered showers and isolated tstms through
the night.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. Scattered showers and isolated tstms through the
night.
.SUN...NE to E winds 10 kt. Seas 4 to 6 ft in S swell. Period
11 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 11 seconds.
.MON NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE
swell. Period 10 seconds.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ113-220415-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
901 AM PDT Fri Aug 21 2026

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

$$

PMZ115-220415-
North Costa Rica to West Panama to 250 nm offshore-
901 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...Variable winds less than 5 kt, becoming SW to W 10 kt
late. Seas 4 to 6 ft in S swell. Period 11 seconds.
.SAT...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 day.
.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 Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period
10 seconds.
.MON...S to SW winds 10 kt. Seas 3 to 5 ft. Period 9 seconds.
.MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.TUE...SW to W winds 10 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
12 seconds.

$$

PMZ117-220415-
East Panama and Colombia including the Gulf of Panama-
901 AM PDT Fri Aug 21 2026

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

$$

PMZ119-220415-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
901 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 kt. Seas 4 to 6 ft in S swell.
Period 12 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.SAT NIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening,
becoming variable winds less than 5 kt. Elsewhere, S winds
10 kt. Seas 3 to 5 ft. Period 13 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 2 to 4 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
13 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 2 to 4 ft. Period
13 seconds.

$$

PMZ121-220415-
Ecuador between 250 and 500 nm offshore-
901 AM PDT Fri Aug 21 2026

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

$$

PMZ123-220415-
Offshore Galapagos Islands-
901 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 4 to 6 ft in SE to S swell.
Period 11 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S
swell. Period 11 seconds.
.SUN...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 12 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. 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 kt. Seas 3 to 5 ft. Period 12 seconds.
.TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

Forecaster GR