Offshore Forecast
Issued by NWS

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446
FZPN28 KNHC 022039
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
139 PM PDT Tue Sep 2 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.

PMZ101-030845-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
139 PM PDT Tue Sep 2 2025

.SYNOPSIS...SW swell offshore of Ecuador and Colombia will
increase modestly Wed and Thu. Moderate gap winds across the
Papagayo region will pulse to fresh speeds at night through the
middle of the week. Light to gentle winds will prevail elsewhere
north of the monsoon trough. Moderate to fresh S to SW winds are
expected south of the monsoon trough through the week.

$$

PMZ111-030845-
Guatemala and El Salvador to 250 nm offshore-
139 PM PDT Tue Sep 2 2025

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SE swell.
Period 15 seconds. Scattered showers and isolated tstms through
the night.
.WED...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 19 seconds. Scattered showers and isolated tstms through
the day.
.WED NIGHT...E to SE winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night.
.THU...NE to E winds 10 kt, shifting to SE in the afternoon.
Seas 5 to 7 ft in S to SW swell. Period 17 seconds.
.THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.FRI...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.FRI NIGHT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SUN...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.

$$

PMZ113-030845-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
139 PM PDT Tue Sep 2 2025

.TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in E to SE swell.
Period 12 seconds.
.WED...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 19 seconds. Scattered showers and isolated tstms through
the day.
.WED NIGHT...S to SW winds 10 kt, shifting to W late.
Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered
showers and isolated tstms through the night.
.THU...N to NE winds 10 to 15 kt, shifting to SE in the
afternoon. Seas 5 to 7 ft in S to SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.FRI...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
13 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.

$$

PMZ115-030845-
North Costa Rica to West Panama to 250 nm offshore-
139 PM PDT Tue Sep 2 2025

.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
11 seconds. Scattered showers and isolated tstms through the
night.
.WED...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming S to SW 10 kt in the afternoon. Elsewhere, SW winds
10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds.
Scattered tstms through the day.
.WED NIGHT...W winds 10 to 15 kt Near the Azuero Peninsula, and
SW to W 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds. Scattered tstms through the night.
.THU...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW 10 to 15 kt in the afternoon. Elsewhere, SW winds
10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds.
Numerous showers and scattered tstms through the day.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SAT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT NIGHT...SW to W 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 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ117-030845-
East Panama and Colombia including the Gulf of Panama-
139 PM PDT Tue Sep 2 2025

.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
day.
.WED NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the night.
.THU...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
day.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 15 seconds.
.FRI...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 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 13 seconds.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.

$$

PMZ119-030845-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
139 PM PDT Tue Sep 2 2025

.TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
16 seconds.
.WED...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
17 seconds.
.WED NIGHT...Gulf of Guayaquil, SW to W winds 15 to 20 kt,
shifting to W 10 kt late. Elsewhere, S to SW winds
15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds.
.THU...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 14 seconds.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.

$$

PMZ121-030845-
Ecuador between 250 and 500 nm offshore-
139 PM PDT Tue Sep 2 2025

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.WED...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds.
.WED NIGHT...S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.

$$

PMZ123-030845-
Offshore Galapagos Islands-
139 PM PDT Tue Sep 2 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds.
.WED...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds.

$$

Forecaster AL