080
FZPN28 KNHC 291616
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
916 AM PDT Fri Aug 29 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.

PMZ101-300430-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
916 AM PDT Fri Aug 29 2025

.SYNOPSIS...A long-period SW swell will propagate through the
South American waters today, leading to rough seas offshore of
Ecuador by this afternoon, and offshore of Colombia through
Panama on Sat. Seas will subside Sun into early next week.
Elsewhere, moderate E to NE winds are expected in the Gulf of
Papagayo through the waters offshore of El Salvador and Guatemala
this weekend into early next week as a potential tropical
cyclone develops offshore of southern Mexico. Looking ahead,
fresh to strong NE winds will pulse early next week in the Gulf
of Papagayo.

$$

PMZ111-300430-
Guatemala and El Salvador to 250 nm offshore-
916 AM PDT Fri Aug 29 2025

.TODAY...E to SE winds 10 to 15 kt in the afternoon. Seas 5 to 7
ft in S swell. Period 18 seconds. Scattered showers and isolated
tstms through the day.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. Scattered showers and isolated tstms.
.SAT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. Scattered showers and isolated tstms
through the day.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms.
.SUN...SE winds 10 to 15 kt. Seas 6 to 8 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...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.MON NIGHT...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.
.TUE...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.

$$

PMZ113-300430-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
916 AM PDT Fri Aug 29 2025

.TODAY...SE winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft
in S swell. Period 18 seconds. Scattered showers and isolated
tstms.
.TONIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night.
.SAT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
18 seconds. Scattered showers and isolated tstms through the
day.
.SAT NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms.
.SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON...N to NE winds 10 to 20 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...NE to E winds 15 to 25 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds.
.TUE NIGHT...E to SE winds 10 to 20 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.

$$

PMZ115-300430-
North Costa Rica to West Panama to 250 nm offshore-
916 AM PDT Fri Aug 29 2025

.TODAY...SW to W winds 10 kt in the afternoon. Seas 5 to 7 ft in
S swell. Period 17 seconds. Scattered showers and isolated
tstms.
.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 to SW swell. Period
19 seconds. Scattered showers and isolated tstms through the
night.
.SAT...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 6 to 8 ft in S to SW swell. Period 18 seconds.
Scattered showers and isolated tstms through the day.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 17 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 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.
.TUE...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 17 seconds.

$$

PMZ117-300430-
East Panama and Colombia including the Gulf of Panama-
916 AM PDT Fri Aug 29 2025

.TODAY...SW winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft
in S to SW swell. Period 19 seconds. Scattered showers and
isolated tstms through the day.
.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 19 seconds. Scattered showers and isolated tstms through
the night.
.SAT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
18 seconds. Scattered showers and isolated tstms through the
day.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 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 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 to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.

$$

PMZ119-300430-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
916 AM PDT Fri Aug 29 2025

.TODAY...SW winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft
in S to SW swell. Period 19 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 18 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell.
Period 17 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 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 6 to 8 ft in S to
SW swell. Period 15 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 6 to 8 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.
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 18 seconds.

$$

PMZ121-300430-
Ecuador between 250 and 500 nm offshore-
916 AM PDT Fri Aug 29 2025

.TODAY...S winds 10 to 15 kt in the afternoon. Seas 6 to 8 ft in
S to SW swell. Period 19 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.MON...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds.

$$

PMZ123-300430-
Offshore Galapagos Islands-
916 AM PDT Fri Aug 29 2025

.TODAY...SE to S winds 10 to 15 kt in the afternoon. Seas 6 to
9 ft in S to SW swell. Period 17 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 17 seconds.
.SAT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 12 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 12 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 12 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 13 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 14 seconds.

$$

Forecaster ADAMS