232
FZPN28 KNHC 040943
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
243 AM PDT Thu Sep 4 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.

PMZ101-042145-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
243 AM PDT Thu Sep 4 2025

.SYNOPSIS...SW swell offshore of Ecuador and Colombia will
increase modestly through Thu night. Moderate gap winds across
the Papagayo region will continue through early next 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 weekend.

$$

PMZ111-042145-
Guatemala and El Salvador to 250 nm offshore-
243 AM PDT Thu Sep 4 2025

.TODAY...Variable winds less than 5 kt, becoming S 10 kt in the
afternoon. Seas 5 to 7 ft in S to SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.TONIGHT...S winds 10 kt in the evening, becoming variable winds
less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.FRI...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms through
the day.
.FRI NIGHT...SE to S winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms through
the night.
.SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds.
.SUN...NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.SUN NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds.
.MON...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.MON NIGHT...E winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds.

$$

PMZ113-042145-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
243 AM PDT Thu Sep 4 2025

.TODAY...N to NE winds 10 to 15 kt, shifting to S in the
afternoon. Seas 5 to 7 ft in S to SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the night.
.FRI...N winds 10 kt, shifting to S to SW in the afternoon. Seas
5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers
and isolated tstms through the day.
.FRI NIGHT...Offshore Gulf of Papagayo, SE to S winds 10 kt in
the evening, becoming variable winds less than 5 kt. Elsewhere,
SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
15 seconds. Scattered showers and isolated tstms through the
night.
.SAT...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.SUN NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.MON...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.

$$

PMZ115-042145-
North Costa Rica to West Panama to 250 nm offshore-
243 AM PDT Thu Sep 4 2025

.TODAY...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.
.TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. Scattered tstms through the night.
.FRI...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the night.
.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 to W winds 10 kt Near the Azuero Peninsula, and SW
15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds.

$$

PMZ117-042145-
East Panama and Colombia including the Gulf of Panama-
243 AM PDT Thu Sep 4 2025

.TODAY...SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the day.
.TONIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds. Scattered tstms through the night.
.FRI...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. Scattered showers and isolated tstms
through the day.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. Numerous showers and scattered tstms
through the night.
.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 12 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.
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ119-042145-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
243 AM PDT Thu Sep 4 2025

.TODAY...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.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.FRI...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 to 15 kt in the afternoon. Elsewhere, S to SW
winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period
15 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.
.MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 16 seconds.

$$

PMZ121-042145-
Ecuador between 250 and 500 nm offshore-
243 AM PDT Thu Sep 4 2025

.TODAY...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 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.
.SUN...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.SUN NIGHT...S winds 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.MON...S winds 15 kt. Seas 5 to 7 ft in S swell. Period
15 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.

$$

PMZ123-042145-
Offshore Galapagos Islands-
243 AM PDT Thu Sep 4 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 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.
.MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 13 seconds.

$$

Forecaster Stripling