555
FZPN28 KNHC 172001
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
101 PM PDT Sun Aug 17 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.

PMZ101-180815-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
101 PM PDT Sun Aug 17 2025

.SYNOPSIS...Light to gentle winds will prevail across the waters
north of 05N through the week while gentle to moderate winds are
expected south of 05N. Cross- equatorial southerly swell will
propagate across the regional waters, keeping seas in the
moderate range, except in the lee of the Galapagos Islands where
slight seas are expected.

$$

PMZ111-180815-
Guatemala and El Salvador to 250 nm offshore-
101 PM PDT Sun Aug 17 2025

.TONIGHT...S to SW winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 3 to 5 ft. Period 17 seconds.
.MON...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 17 seconds.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 16 seconds.
.TUE...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 15 seconds.
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds.
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 15 seconds.
.FRI...Variable winds less than 5 kt. Seas 4 to 6 ft in S swell.
Period 15 seconds.
.FRI NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
swell. Period 14 seconds.

$$

PMZ113-180815-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
101 PM PDT Sun Aug 17 2025

.TONIGHT...Variable winds less than 5 kt Offshore Gulf of
Papagayo, and W 10 kt Elsewhere. Seas 3 to 5 ft. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.MON...NW to N winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 3 to 5 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
day.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the night.
.TUE...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 15 seconds.
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds.
.THU...NE to E winds 10 kt Offshore Gulf of Papagayo, and
variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.THU NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.FRI...NE to E winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds.

$$

PMZ115-180815-
North Costa Rica to West Panama to 250 nm offshore-
101 PM PDT Sun Aug 17 2025

.TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.MON...SW winds 10 kt. Seas 3 to 5 ft. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.MON NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period
16 seconds.
.TUE...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds.
Scattered showers and isolated tstms through the day.
.TUE NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.WED...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period
14 seconds.
.WED NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.THU...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 6 to 8 ft in S swell. Period
14 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
14 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 13 seconds.

$$

PMZ117-180815-
East Panama and Colombia including the Gulf of Panama-
101 PM PDT Sun Aug 17 2025

.TONIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
Scattered tstms through the night.
.MON...SW winds 10 kt. Seas 3 to 5 ft. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.MON NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
17 seconds.
.TUE...Gulf of Panama, variable winds less than 5 kt. Elsewhere,
S winds 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft
in S to SW swell. Period 16 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.THU...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 13 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.

$$

PMZ119-180815-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
101 PM PDT Sun Aug 17 2025

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

$$

PMZ121-180815-
Ecuador between 250 and 500 nm offshore-
101 PM PDT Sun Aug 17 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 16 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period
16 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.WED...S winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
13 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 13 seconds.
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
14 seconds.
.THU NIGHT...S winds 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.

$$

PMZ123-180815-
Offshore Galapagos Islands-
101 PM PDT Sun Aug 17 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 16 seconds.
.MON...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
16 seconds.
.MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 12 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 12 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 13 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 13 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 12 seconds.

$$

Forecaster AL