Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
116
FZPN28 KNHC 241650
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
950 AM PDT Sun Aug 24 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.

PMZ101-250500-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
950 AM PDT Sun Aug 24 2025

.SYNOPSIS...A long-period, cross-equatorial swell will propagate
northward over the next several days, producing rough seas over
the Ecuador waters today, with rough seas reaching the Central
American waters Mon into Tue. Very rough seas over 12 ft are
likely south of the equator into early Mon. Seas will slowly
subside through midweek. Elsewhere, fresh E to NE gap winds will
pulse in the Gulf of Papagayo through Mon morning, with strong
winds and locally rough seas developing Mon afternoon and
continuing through Wed.

$$

PMZ111-250500-
Guatemala and El Salvador to 250 nm offshore-
950 AM PDT Sun Aug 24 2025

.TODAY...SE winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft.
Period 20 seconds. Scattered showers and isolated tstms through
the day.
.TONIGHT...SE winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 5 to 7 ft in S swell. Period
20 seconds. Scattered showers and isolated tstms through the
night.
.MON...E to SE winds 10 kt. Seas 6 to 8 ft in S swell. Period
19 seconds. Scattered showers and isolated tstms through the
day.
.MON NIGHT...NE to E winds 10 kt. Seas 6 to 8 ft in S swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night.
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
16 seconds.
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 15 seconds.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds.
.WED NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.THU...E to SE winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 13 seconds.
.THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SE
to S swell. Period 12 seconds.

$$

PMZ113-250500-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
950 AM PDT Sun Aug 24 2025

.TODAY...E to SE winds 10 to 20 kt in the afternoon. Seas 4 to 6
ft. Period 20 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft in S swell.
Period 19 seconds. Scattered showers and isolated tstms through
the night.
.MON...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and
N 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S swell. Period
19 seconds. Scattered showers and isolated tstms through the
day.
.MON NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of
Papagayo, and NE 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S
swell. Period 18 seconds. Scattered showers and isolated tstms
through the night.
.TUE...NE to E winds 15 to 25 kt. Seas 6 to 9 ft in S swell.
Period 15 seconds.
.TUE NIGHT...E to SE winds 15 to 25 kt. Seas 6 to 8 ft in S
swell. Period 14 seconds.
.WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds.
.WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.
.THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
11 seconds.

$$

PMZ115-250500-
North Costa Rica to West Panama to 250 nm offshore-
950 AM PDT Sun Aug 24 2025

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

$$

PMZ117-250500-
East Panama and Colombia including the Gulf of Panama-
950 AM PDT Sun Aug 24 2025

.TODAY...SW to W winds 10 to 15 kt in the afternoon. Seas 6 to
8 ft in S to SW swell. Period 20 seconds.
.TONIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in S to SW
swell. Period 20 seconds. Scattered showers and isolated tstms
through the night.
.MON...SW to W winds 10 kt. Seas 7 to 11 ft in S to SW swell.
Period 19 seconds. Scattered showers and isolated tstms through
the day.
.MON NIGHT...SW winds 10 to 15 kt. Seas 7 to 10 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.TUE...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 15 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. 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 winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.THU...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 11 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.

$$

PMZ119-250500-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
950 AM PDT Sun Aug 24 2025

.TODAY...SW winds 10 to 15 kt in the afternoon. Seas 9 to 13 ft
in S to SW swell. Period 19 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 9 to 13 ft in S to SW
swell. Period 18 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 8 to 12 ft in S to SW swell. Period
17 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 7 to 10 ft in S to
SW swell. Period 15 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 14 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 13 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 12 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ121-250500-
Ecuador between 250 and 500 nm offshore-
950 AM PDT Sun Aug 24 2025

.TODAY...SE to S winds 10 to 15 kt in the afternoon. Seas 9 to
13 ft in S to SW swell. Period 19 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 9 to 13 ft in S to SW
swell. Period 18 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 8 to 12 ft in S swell.
Period 16 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 7 to 10 ft in S
swell. Period 15 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S swell.
Period 14 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S
swell. Period 13 seconds.
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell.
Period 12 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 11 seconds.
.THU...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds.

$$

PMZ123-250500-
Offshore Galapagos Islands-
950 AM PDT Sun Aug 24 2025

.TODAY...SE winds 10 to 15 kt in the afternoon. Seas 9 to 13 ft
in S swell. Period 19 seconds.
.TONIGHT...SE winds 10 to 15 kt. Seas 9 to 13 ft in S swell.
Period 17 seconds.
.MON...SE winds 10 to 15 kt. Seas 8 to 12 ft in S swell. Period
16 seconds.
.MON NIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft in SE to S
swell. Period 15 seconds.
.TUE...SE 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.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 12 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds.

$$

Forecaster ADAMS