Offshore Forecast
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871
FZPN28 KNHC 071530
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
830 AM PDT Sun Sep 7 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.

PMZ101-080330-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
830 AM PDT Sun Sep 7 2025

.SYNOPSIS...Moderate to fresh southerly winds and moderate seas
in S to SW swell will continue across the region through late
this week. Otherwise, scattered to heavy showers are forecast for
the Central America offshore waters the next several days.

$$

PMZ111-080330-
Guatemala and El Salvador to 250 nm offshore-
830 AM PDT Sun Sep 7 2025

.TODAY...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.
.TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 14 seconds. Scattered showers and isolated tstms
through the night.
.MON...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.
.MON NIGHT...Variable winds less than 5 kt, becoming E to SE
10 kt late. Seas 3 to 5 ft in SW swell. Period
18 seconds. Scattered showers and isolated tstms through the
night.
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.WED...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds.
.WED NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.THU...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.THU NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.

$$

PMZ113-080330-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
830 AM PDT Sun Sep 7 2025

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

$$

PMZ115-080330-
North Costa Rica to West Panama to 250 nm offshore-
830 AM PDT Sun Sep 7 2025

.TODAY...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds. Scattered showers and isolated tstms through
the night.
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Scattered tstms through the day.
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 18 seconds. Scattered showers and isolated tstms
through the night.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
16 seconds.
.TUE NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.WED...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.WED NIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.THU...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.THU NIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.

$$

PMZ117-080330-
East Panama and Colombia including the Gulf of Panama-
830 AM PDT Sun Sep 7 2025

.TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Scattered tstms through the day.
.TONIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. Scattered showers and isolated tstms through
the night.
.MON...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. Scattered showers and isolated tstms through the
day.
.MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 19 seconds. Scattered showers and isolated tstms through
the night.
.TUE...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds.
.TUE NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 17 seconds.
.WED...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ119-080330-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
830 AM PDT Sun Sep 7 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 13 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 swell. Period 19 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 19 seconds.
.TUE...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 S to
SW swell. Period 16 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ121-080330-
Ecuador between 250 and 500 nm offshore-
830 AM PDT Sun Sep 7 2025

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.MON...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
18 seconds.
.MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds.
.TUE...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.WED NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.THU NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.

$$

PMZ123-080330-
Offshore Galapagos Islands-
830 AM PDT Sun Sep 7 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 18 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 12 seconds.
.WED...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 12 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 12 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 12 seconds.
.THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.

$$

Forecaster ERA