Offshore Forecast
Issued by NWS

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429
FZPN28 KNHC 012028
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
128 PM PDT Mon Sep 1 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.

PMZ101-020830-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
128 PM PDT Mon Sep 1 2025

.SYNOPSIS...SW swell offshore of Ecuador and Colombia will
subside slightly through Tue, then 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.

$$

PMZ111-020830-
Guatemala and El Salvador to 250 nm offshore-
128 PM PDT Mon Sep 1 2025

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

$$

PMZ113-020830-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
128 PM PDT Mon Sep 1 2025

.TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
6 seconds.
.TUE...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E
swell. Period 6 seconds.
.TUE NIGHT...SE winds 10 kt. Seas 4 to 6 ft in E to SE swell.
Period 12 seconds. Scattered showers and isolated tstms through
the night.
.WED...S 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...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.THU...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds.
.THU NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.FRI...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
14 seconds.
.FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SAT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.

$$

PMZ115-020830-
North Costa Rica to West Panama to 250 nm offshore-
128 PM PDT Mon Sep 1 2025

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

$$

PMZ117-020830-
East Panama and Colombia including the Gulf of Panama-
128 PM PDT Mon Sep 1 2025

.TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 6 seconds. Numerous showers and scattered tstms
through the night.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 6 seconds. Scattered showers and isolated tstms through
the day.
.TUE NIGHT...SW winds 10 kt Gulf of Panama, and S to SW 15 to
20 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. 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 16 seconds.
.THU...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 6 to 8 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 to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ119-020830-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
128 PM PDT Mon Sep 1 2025

.TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 7 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.TUE NIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft in S to
SW swell. Period 16 seconds.
.WED...S to SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds.
.WED NIGHT...S to SW winds 15 to 20 kt. Seas 6 to 8 ft in SW
swell. Period 16 seconds.
.THU...W winds 10 kt Gulf of Guayaquil, and S to SW 15 to 20 kt
Elsewhere. Seas 6 to 8 ft in SW swell. Period 15 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...S to 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 5 to 7 ft in S to
SW swell. Period 13 seconds.

$$

PMZ121-020830-
Ecuador between 250 and 500 nm offshore-
128 PM PDT Mon Sep 1 2025

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
7 seconds.
.TUE...S winds 15 to 20 kt. Seas 5 to 7 ft in S swell. Period
16 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.WED...S winds 15 to 20 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 15 seconds.
.THU...S winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell.
Period 15 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 to 15 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.

$$

PMZ123-020830-
Offshore Galapagos Islands-
128 PM PDT Mon Sep 1 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 7 seconds.
.TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.TUE NIGHT...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 9 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 13 seconds.
.THU...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 12 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 12 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 to 15 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.

$$

Forecaster AL