Offshore Forecast
Issued by NWS

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085
FZPN28 KNHC 201414
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
714 AM PDT Wed Aug 20 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.

PMZ101-210215-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
714 AM PDT Wed Aug 20 2025

.SYNOPSIS...Light to gentle winds will prevail across the waters
north of 05N through the weekend, except for moderate winds
pulsing in the Gulf of Papagayo at night starting Thu. 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 through Fri, except in the
lee of the Galapagos Islands where slight seas are expected.
Another round of large swell will move into the waters off
Ecuador and Colombia by late Fri, and reach the offshore waters
of Central America by Sun.

$$

PMZ111-210215-
Guatemala and El Salvador to 250 nm offshore-
714 AM PDT Wed Aug 20 2025

.TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds.
.TONIGHT...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, becoming SE to S 10 kt in
the afternoon. Seas 4 to 6 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 17 seconds. Scattered showers and isolated
tstms through the night.
.FRI...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period
15 seconds.
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 14 seconds.
.SAT...E winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.SAT NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S swell.
Period 17 seconds.
.SUN...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 19 seconds.

$$

PMZ113-210215-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
714 AM PDT Wed Aug 20 2025

.TODAY...Offshore Gulf of Papagayo, NE winds 10 kt, shifting to
SE in the afternoon. Elsewhere, variable winds less than 5 kt.
Seas 3 to 5 ft in S to SW swell. Period 15 seconds.
.TONIGHT...Offshore Gulf of Papagayo, NE to E winds 10 kt.
Elsewhere, variable winds less than 5 kt, becoming W to NW 10 kt
late. Seas 3 to 5 ft in S to SW swell. Period
14 seconds. Scattered showers and isolated tstms through the
night.
.THU...Offshore Gulf of Papagayo, E winds 10 to 15 kt.
Elsewhere, N to NE winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period
14 seconds. Scattered showers and isolated tstms through the
day.
.THU NIGHT...Variable winds less than 5 kt, becoming SW to W
10 kt late. Seas 4 to 6 ft in S swell. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.FRI...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.FRI NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
15 seconds.
.SAT...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
12 seconds.
.SUN...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
15 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.

$$

PMZ115-210215-
North Costa Rica to West Panama to 250 nm offshore-
714 AM PDT Wed Aug 20 2025

.TODAY...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the day.
.TONIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the night.
.THU...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period
14 seconds. Scattered showers and isolated tstms through the
day.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.FRI...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
14 seconds.
.FRI NIGHT...W winds 10 kt Near the Azuero Peninsula, and SW to
W 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S swell. Period
13 seconds.
.SAT...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 12 seconds.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 12 seconds.
.SUN...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 kt Elsewhere. Seas 6 to 9 ft in S to SW
swell. Period 18 seconds.

$$

PMZ117-210215-
East Panama and Colombia including the Gulf of Panama-
714 AM PDT Wed Aug 20 2025

.TODAY...Gulf of Panama, variable winds less than 5 kt, becoming
W 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas
5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers
and isolated tstms through the day.
.TONIGHT...Variable winds less than 5 kt Gulf of Panama, and SW
10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period
15 seconds. Scattered tstms through the night.
.THU...Gulf of Panama, variable winds less than 5 kt, becoming W
10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas
5 to 7 ft in S to SW swell. Period 14 seconds. Scattered showers
and isolated tstms through the day.
.THU NIGHT...SW to W winds 10 kt Gulf of Panama, and SW 15 to
20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.FRI...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds.
.SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds.
.SUN NIGHT...SW to W winds 10 kt. Seas 7 to 10 ft in S to SW
swell. Period 16 seconds.

$$

PMZ119-210215-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
714 AM PDT Wed Aug 20 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 17 seconds.
.FRI...SW to W winds 10 kt Gulf of Guayaquil, and S to SW 15 to
20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period
15 seconds.
.FRI NIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds.
.SAT...SW to W winds 10 kt Gulf of Guayaquil, and S to SW 15 to
20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period
12 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 7 to 10 ft in S to
SW swell. Period 14 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 8 to 12 ft in S to SW
swell. Period 18 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 9 to 13 ft in S to
SW swell. Period 17 seconds.

$$

PMZ121-210215-
Ecuador between 250 and 500 nm offshore-
714 AM PDT Wed Aug 20 2025

.TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
16 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 16 seconds.
.FRI...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds.
.FRI NIGHT...S winds 15 kt. Seas 6 to 8 ft in S swell. Period
12 seconds.
.SAT...S winds 15 kt. Seas 6 to 9 ft in S swell. Period
12 seconds.
.SAT NIGHT...S winds 15 kt. Seas 7 to 11 ft in S to SW swell.
Period 15 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 9 to 13 ft in S to SW
swell. Period 18 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 9 to 13 ft in S to
SW swell. Period 16 seconds.

$$

PMZ123-210215-
Offshore Galapagos Islands-
714 AM PDT Wed Aug 20 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 17 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 16 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 15 seconds.
.FRI...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period
12 seconds.
.FRI NIGHT...SE to S winds 15 kt. Seas 6 to 8 ft in S swell.
Period 12 seconds.
.SAT...SE to S winds 15 to 20 kt. Seas 6 to 9 ft in S swell.
Period 11 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 7 to 11 ft in S
swell. Period 14 seconds.
.SUN...SE winds 10 to 15 kt. Seas 9 to 13 ft in S swell. Period
14 seconds.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 9 to 13 ft in S swell.
Period 13 seconds.

$$

Forecaster AL