657
FZPN28 KNHC 151356
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
656 AM PDT Tue Sep 15 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.

PMZ101-160200-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
656 AM PDT Tue Sep 15 2026

.SYNOPSIS...A ridge north of the area will continue to support
pulsing fresh to occasionally strong easterly winds and moderate
to rough seas across the Papagayo region through mid week, then
pulsing to moderate to fresh thereafter. Moderate winds and seas
will prevail elsewhere.

$$

PMZ111-160200-
Guatemala and El Salvador to 250 nm offshore-
656 AM PDT Tue Sep 15 2026

.TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the night.
.WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds.
Scattered showers and isolated tstms through the day.
.WED NIGHT...E 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.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 seconds.
.FRI...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.SAT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 16 seconds.
.SAT NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 17 seconds.

$$

PMZ113-160200-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
656 AM PDT Tue Sep 15 2026

.TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in SE to S
swell. Period 17 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.WED...E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the day.
.WED NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the night.
.THU...E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds.
.THU NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
13 seconds.
.FRI...SE winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds.
.FRI NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and
SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds.
.SAT...NE winds 15 to 20 kt Offshore Gulf of Papagayo, and NW
10 kt Elsewhere. Seas 3 to 5 ft. Period 15 seconds.
.SAT NIGHT...W to NW winds 10 kt. Seas 3 to 5 ft. Period
17 seconds.

$$

PMZ115-160200-
North Costa Rica to West Panama to 250 nm offshore-
656 AM PDT Tue Sep 15 2026

.TODAY...Near the Azuero Peninsula, variable winds less than
5 kt, becoming N to NE 10 to 15 kt in the afternoon. Elsewhere,
SW to W winds 10 kt. Seas 4 to 6 ft in S swell. Period
17 seconds. Scattered showers and isolated tstms.
.TONIGHT...NW winds 10 kt, shifting to NE to E late.
Seas 4 to 6 ft in S to SW swell. Period 17 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 16 seconds. Scattered showers and isolated tstms through
the day.
.WED NIGHT...Near the Azuero Peninsula, E winds 10 kt, shifting
to N late. Elsewhere, variable winds less than 5 kt.
Seas 3 to 5 ft in S to SW swell. Period 15 seconds.
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.THU NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.FRI NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 16 seconds.
.SAT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.SAT NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.

$$

PMZ117-160200-
East Panama and Colombia including the Gulf of Panama-
656 AM PDT Tue Sep 15 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...W to NW winds 10 kt. Seas 3 to 5 ft. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.WED...SW winds 10 kt, shifting to W in the afternoon. Seas
3 to 5 ft. Period 16 seconds. Scattered showers and isolated
tstms through the day.
.WED NIGHT...W to NW winds 10 kt, shifting to SW late.
Seas 3 to 5 ft. Period 15 seconds. Scattered showers and
isolated tstms through the night.
.THU...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.THU NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.FRI NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
13 seconds.
.SAT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SAT NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ119-160200-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
656 AM PDT Tue Sep 15 2026

.TODAY...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds.
.TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 16 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
12 seconds.
.FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
12 seconds.
.SAT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SAT NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
15 seconds.

$$

PMZ121-160200-
Ecuador between 250 and 500 nm offshore-
656 AM PDT Tue Sep 15 2026

.TODAY...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
16 seconds.
.TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.WED...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. 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 3 to 5 ft. Period 13 seconds.
.THU NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.FRI...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
12 seconds.
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 17 seconds.

$$

PMZ123-160200-
Offshore Galapagos Islands-
656 AM PDT Tue Sep 15 2026

.TODAY...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S to
SW swell. Period 13 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.

$$

Forecaster AL