827 
FZPN28 KNHC 030927
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
227 AM PDT Thu Sep 3 2026

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.

PMZ101-032130-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
227 AM PDT Thu Sep 3 2026

.SYNOPSIS...A moderate pressure gradient across Central 
America will sustain moderate to locally fresh strong E winds 
over the Gulf of Papagayo through early next week. Moderate to
locally fresh southerly winds are expected in the waters between
Ecuador and the Galapagos Islands through Sat. Elsewhere, 
moderate or lighter winds will prevail across forecast waters. 

$$

PMZ111-032130-
Guatemala and El Salvador to 250 nm offshore-
227 AM PDT Thu Sep 3 2026

.TODAY...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.TONIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
day. 
.FRI NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the night. 
.SAT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.SAT NIGHT...NE to E winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds. 
.SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. Period 15 seconds. 
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 

$$

PMZ113-032130-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
227 AM PDT Thu Sep 3 2026

.TODAY...NE winds 15 to 20 kt. Seas 3 to 5 ft. Period
18 seconds. Scattered showers and isolated tstms through the
day. 
.TONIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. Period
18 seconds. Scattered showers and isolated tstms through the
day. 
.FRI NIGHT...SE winds 20 to 25 kt, shifting to E late.
Seas 4 to 6 ft. Period 17 seconds. Scattered showers and
isolated tstms through the night. 
.SAT...NE winds 20 to 25 kt, shifting to E to SE 15 to 20 kt in
the afternoon. Seas 5 to 7 ft. Period 16 seconds.
.SAT NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SUN...E to SE winds 15 to 20 kt, shifting to S in the
afternoon. Seas 4 to 6 ft. Period 15 seconds. 
.SUN NIGHT...Offshore Gulf of Papagayo, SE to S winds 10 to
15 kt, shifting to NE to E late. Elsewhere, S winds
20 to 25 kt. Seas 4 to 6 ft. Period 14 seconds. 
.MON...N to NE winds 15 to 20 kt, shifting to E to SE in the
afternoon. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ115-032130-
North Costa Rica to West Panama to 250 nm offshore-
227 AM PDT Thu Sep 3 2026

.TODAY...SW to W winds 10 kt. Seas 3 to 5 ft. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
18 seconds. Scattered showers and isolated tstms through the
day. 
.FRI NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
night. 
.SAT...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 4 to 6 ft in SW swell. Period 16 seconds. 
.SAT NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds. 
.SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.SUN NIGHT...SW to W winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 3 to 5 ft. Period
14 seconds. 
.MON...Variable winds less than 5 kt, becoming SW 10 kt in the
afternoon. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ117-032130-
East Panama and Colombia including the Gulf of Panama-
227 AM PDT Thu Sep 3 2026

.TODAY...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 
.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. Scattered showers and isolated tstms through the
night. 
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. 
.SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.SUN...Gulf of Panama, variable winds less than 5 kt, becoming
SW to W 10 kt in the afternoon. Elsewhere, SW to W winds 10 to
15 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. 
.SUN NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.MON...W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ119-032130-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
227 AM PDT Thu Sep 3 2026

.TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.TONIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
18 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. 
.FRI NIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
16 seconds. 
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
15 seconds. 
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. 

$$

PMZ121-032130-
Ecuador between 250 and 500 nm offshore-
227 AM PDT Thu Sep 3 2026

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 18 seconds. 
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
15 seconds. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 14 seconds. 
.SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
13 seconds. 
.MON...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 

$$

PMZ123-032130-
Offshore Galapagos Islands-
227 AM PDT Thu Sep 3 2026

.TODAY...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period
18 seconds. 
.TONIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period
17 seconds. 
.FRI...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period
16 seconds. 
.FRI NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.SUN...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 
seconds. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. 
.MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. 

$$

Forecaster Delgado