526
FZPN28 KNHC 222226
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
326 PM PDT Fri Aug 22 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.

PMZ101-231030-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
326 PM PDT Fri Aug 22 2025

.SYNOPSIS...Fresh S to SW winds and locally rough seas are
expected offshore of Costa Rica through Colombia tonight through
Sat morning. A long-period S to SW swell will propagate through
the South American waters this weekend, promoting rough seas
offshore of Ecuador by Sat morning, and offshore of much of the
Central and South American waters late this weekend into early
next week. Very rough seas will be possible south of the equator
Sun into early next week. Seas will slowly subside by mid next
week. Elsewhere, moderate to fresh E to NE winds will pulse in
the Gulf of Papagayo through at least next Tue.

$$

PMZ111-231030-
Guatemala and El Salvador to 250 nm offshore-
326 PM PDT Fri Aug 22 2025

.TONIGHT...SE winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 4 to 6 ft in S swell. Period
15 seconds. Scattered showers and isolated tstms through the
night.
.SAT...E winds 10 kt. Seas 4 to 6 ft in S swell. Period
15 seconds. Scattered showers and isolated tstms through the
day.
.SAT NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S swell.
Period 21 seconds. Scattered showers and isolated tstms through
the night.
.SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds.
Scattered showers and isolated tstms through the day.
.SUN NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S swell.
Period 19 seconds.
.MON...SE winds 10 kt. Seas 6 to 8 ft in S swell. Period
18 seconds.
.MON NIGHT...E winds 10 kt. Seas 6 to 8 ft in S swell. Period
16 seconds.
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
15 seconds.
.TUE NIGHT...NE to E winds 10 kt. Seas 6 to 8 ft in S swell.
Period 14 seconds.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.WED NIGHT...E winds 10 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.

$$

PMZ113-231030-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
326 PM PDT Fri Aug 22 2025

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Period 16
seconds. Scattered showers and isolated tstms through the night.
.SAT...NE to E winds 10 to 15 kt, shifting to S in the
afternoon. Seas 4 to 6 ft in S swell. Period 15 seconds.
Scattered showers and isolated tstms through the day.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds. Scattered showers and isolated tstms through
the night.
.SUN...NE to E winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 21 seconds. Scattered showers and isolated tstms
through the day.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 18 seconds.
.MON...NE winds 10 to 20 kt. Seas 6 to 8 ft in S swell. Period
18 seconds.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft in S swell.
Period 16 seconds.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in S swell.
Period 14 seconds.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S
swell. Period 14 seconds.
.WED...E to NE winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 13 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ115-231030-
North Costa Rica to West Panama to 250 nm offshore-
326 PM PDT Fri Aug 22 2025

.TONIGHT...Near the Azuero Peninsula, W winds 10 kt in the
evening, becoming variable winds less than 5 kt. Elsewhere, SW
winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 15 seconds.
Scattered showers and isolated tstms through the night.
.SAT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. Numerous showers and scattered tstms through
the day.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period
14 seconds. Numerous showers and scattered tstms through the
night.
.SUN...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 6 to 8 ft in S to SW swell. Period
20 seconds. Scattered tstms through the day.
.SUN NIGHT...W winds 10 kt. Seas 6 to 9 ft in S to SW swell.
Period 18 seconds.
.MON...Variable winds less than 5 kt Near the Azuero Peninsula,
and W 10 kt Elsewhere. Seas 7 to 10 ft in S to SW swell. Period
17 seconds.
.MON NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W to NW 10 kt Elsewhere. Seas 7 to 10 ft in S to
SW swell. Period 16 seconds.
.TUE...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 6 to 9 ft in S swell. Period
14 seconds.
.TUE NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S to SW 10 kt Elsewhere. Seas 6 to 8 ft in S
swell. Period 13 seconds.
.WED...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period
13 seconds.
.WED NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S
swell. Period 12 seconds.

$$

PMZ117-231030-
East Panama and Colombia including the Gulf of Panama-
326 PM PDT Fri Aug 22 2025

.TONIGHT...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
16 seconds. Scattered tstms through the night.
.SAT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds. Scattered tstms through the day.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
14 seconds. Scattered showers and isolated tstms through the
night.
.SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 20 seconds. Scattered showers and isolated tstms through
the day.
.SUN NIGHT...SW to W winds 10 kt. Seas 7 to 10 ft in S to SW
swell. Period 16 seconds.
.MON...SW winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period
16 seconds.
.MON NIGHT...SW to W winds 10 kt. Seas 7 to 10 ft in S to SW
swell. Period 16 seconds.
.TUE...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 15 seconds.
.TUE NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.

$$

PMZ119-231030-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
326 PM PDT Fri Aug 22 2025

.TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SAT...SW to W winds 10 to 15 kt Gulf of Guayaquil, and S to SW
15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period
14 seconds.
.SAT NIGHT...W winds 10 to 15 kt Gulf of Guayaquil, and S to SW
15 to 20 kt Elsewhere. Seas 7 to 10 ft in S to SW swell. Period
19 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 8 to 12 ft in S to SW
swell. Period 19 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 8 to 12 ft in S to
SW swell. Period 16 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 7 to 11 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 7 to 10 ft in S to
SW swell. Period 14 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 13 seconds.
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 13 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 11 seconds.

$$

PMZ121-231030-
Ecuador between 250 and 500 nm offshore-
326 PM PDT Fri Aug 22 2025

.TONIGHT...S winds 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.
.SAT...S winds 15 kt. Seas 6 to 9 ft in S swell. Period
14 seconds.
.SAT NIGHT...SE to S winds 15 kt. Seas 7 to 11 ft in S to SW
swell. Period 19 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 9 to 13 ft in S to SW
swell. Period 19 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 8 to 12 ft in S to
SW swell. Period 16 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 7 to 11 ft in S to SW
swell. Period 14 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 7 to 10 ft in S swell.
Period 13 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S swell.
Period 13 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SE to
S swell. Period 12 seconds.
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell.
Period 11 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 10 seconds.

$$

PMZ123-231030-
Offshore Galapagos Islands-
326 PM PDT Fri Aug 22 2025

.TONIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S swell.
Period 14 seconds.
.SAT...SE to S winds 15 to 20 kt. Seas 6 to 9 ft in S swell.
Period 10 seconds.
.SAT NIGHT...SE to S winds 15 kt. Seas 7 to 11 ft in S swell.
Period 19 seconds.
.SUN...SE winds 10 to 15 kt. Seas 9 to 13 ft in S swell. Period
19 seconds.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 8 to 12 ft in S swell.
Period 13 seconds.
.MON...SE winds 10 to 15 kt. Seas 7 to 11 ft in S swell. Period
13 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 7 to 10 ft in S
swell. Period 13 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in SE to S
swell. Period 12 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SE to
S swell. Period 12 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 11 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to
S swell. Period 10 seconds.

$$

Forecaster ADAMS