517
FZPN28 KNHC 272129
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
229 PM PDT Wed Aug 27 2025

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.

PMZ101-280930-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
229 PM PDT Wed Aug 27 2025

.SYNOPSIS...Moderate to fresh E to NE gap winds will pulse in
the Gulf of Papagayo through this weekend. Gentle to moderate S
winds will prevail between Ecuador and the Galapagos Islands
through the forecast period along with moderate seas. Moderate
or weaker winds are forecast elsewhere.

$$

PMZ111-280930-
Guatemala and El Salvador to 250 nm offshore-
229 PM PDT Wed Aug 27 2025

.TONIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds. Scattered showers and isolated tstms.
.THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft in SE to S
swell. Period 13 seconds. Scattered showers and isolated tstms
through the day.
.THU NIGHT...E winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 13 seconds. Scattered showers and isolated tstms.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft in S swell. Period
18 seconds. Scattered showers and isolated tstms through the
day.
.FRI NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 18 seconds.
.SAT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.SAT NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SUN NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.MON...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
15 seconds.
.MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 15 seconds.

$$

PMZ113-280930-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
229 PM PDT Wed Aug 27 2025

.TONIGHT...SE to S winds 10 kt, shifting to SW late.
Seas 4 to 6 ft in S swell. Period 14 seconds. Scattered showers
and isolated tstms.
.THU...NE winds 10 to 15 kt, shifting to S in the afternoon.
Seas 4 to 6 ft. Period 13 seconds. Scattered showers and
isolated tstms through the day.
.THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell.
Period 13 seconds. Scattered showers and isolated tstms.
.FRI...N winds 10 kt, shifting to S in the afternoon. Seas 4 to
6 ft in S swell. Period 19 seconds. Scattered showers and
isolated tstms through the day.
.FRI NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds.
.SAT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.SAT NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.SUN...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.MON...NE winds 15 to 20 kt Offshore Gulf of Papagayo, and N
10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
15 seconds.
.MON NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ115-280930-
North Costa Rica to West Panama to 250 nm offshore-
229 PM PDT Wed Aug 27 2025

.TONIGHT...Near the Azuero Peninsula, W winds 10 kt in the
evening, becoming variable winds less than 5 kt. Elsewhere, SW
to W winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. Scattered showers and isolated tstms.
.THU...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, SW winds
10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds.
Scattered showers and isolated tstms.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. Scattered showers and isolated tstms.
.FRI...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, SW to W
winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. Scattered
showers and isolated tstms through the day.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 16 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.SUN...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.
.MON...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.

$$

PMZ117-280930-
East Panama and Colombia including the Gulf of Panama-
229 PM PDT Wed Aug 27 2025

.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Scattered tstms through the night.
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. Scattered showers and isolated tstms through the
night.
.FRI...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds.
Scattered showers and isolated tstms through the day.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.

$$

PMZ119-280930-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
229 PM PDT Wed Aug 27 2025

.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.FRI...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.

$$

PMZ121-280930-
Ecuador between 250 and 500 nm offshore-
229 PM PDT Wed Aug 27 2025

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
13 seconds.
.THU...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 13 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 19 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.SAT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SUN...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
15 seconds.
.MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.

$$

PMZ123-280930-
Offshore Galapagos Islands-
229 PM PDT Wed Aug 27 2025

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
11 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 19 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 18 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 13 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.

$$

Forecaster ERA