Offshore Forecast
Issued by NWS

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477
FZPN28 KNHC 300854
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
154 AM PDT Wed Sep 30 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.

PMZ101-302100-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
154 AM PDT Wed Sep 30 2026

.SYNOPSIS...A light pressure gradient will maintain moderate or
weaker winds over the offshore waters along with mostly moderate
seas through the period.

$$

PMZ111-302100-
Guatemala and El Salvador to 250 nm offshore-
154 AM PDT Wed Sep 30 2026

.TODAY...NW winds 10 kt. Seas 4 to 6 ft in W swell. Period
11 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW
swell. Period 15 seconds. Scattered showers and isolated tstms.
.THU...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW
swell. Period 15 seconds. Scattered showers and isolated tstms.
.THU NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in W to NW
swell. Period 15 seconds. Scattered showers and isolated tstms.
.FRI...W winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period
12 seconds.
.FRI NIGHT...W winds 10 kt. Seas 5 to 7 ft in W to NW swell.
Period 12 seconds.
.SAT...W winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell.
Period 13 seconds.
.SAT NIGHT...W winds 10 kt. Seas 5 to 7 ft in W to NW swell.
Period 11 seconds.
.SUN...W winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period
11 seconds.
.SUN NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in W to NW
swell. Period 12 seconds.

$$

PMZ113-302100-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
154 AM PDT Wed Sep 30 2026

.TODAY...Offshore Gulf of Papagayo, NE winds 10 kt in the
morning, becoming variable winds less than 5 kt. Elsewhere, NW
to N winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. Scattered
showers and isolated tstms through the day.
.TONIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
Scattered showers and isolated tstms.
.THU...W to NW winds 10 kt. Seas 4 to 6 ft in W to NW swell.
Period 12 seconds. Scattered showers and isolated tstms through
the day.
.THU NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
Scattered showers and isolated tstms through the night.
.FRI...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W 10 kt Elsewhere. Seas 4 to 6 ft in W to NW swell. Period
9 seconds.
.FRI NIGHT...W winds 10 kt. Seas 4 to 6 ft in W to NW swell.
Period 9 seconds.
.SAT...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in W to NW swell.
Period 11 seconds.
.SAT NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in W to NW
swell. Period 12 seconds.
.SUN...SW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period
12 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in W to NW
swell. Period 12 seconds.

$$

PMZ115-302100-
North Costa Rica to West Panama to 250 nm offshore-
154 AM PDT Wed Sep 30 2026

.TODAY...SW to W winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
Scattered showers and isolated tstms through the day.
.TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. Scattered showers and isolated tstms through the
night.
.THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. Scattered showers and isolated tstms.
.FRI...SW to W winds 10 kt. Seas 4 to 6 ft in W to NW swell.
Period 10 seconds.
.FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
10 seconds.
.SAT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 10 seconds.
.SAT NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.

$$

PMZ117-302100-
East Panama and Colombia including the Gulf of Panama-
154 AM PDT Wed Sep 30 2026

.TODAY...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.TONIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 16 seconds.
Scattered showers and isolated tstms.
.THU...SW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period
16 seconds. Scattered showers and isolated tstms.
.THU NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
15 seconds. Scattered showers and isolated tstms.
.FRI...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SAT...SW winds 10 kt Gulf of Panama, and variable less than
5 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds.
.SAT NIGHT...S to SW winds 10 kt Gulf of Panama, and variable
less than 5 kt Elsewhere. Seas 3 to 5 ft in W to NW swell.
Period 13 seconds.
.SUN...Variable winds less than 5 kt. Seas 3 to 5 ft in W to NW
swell. Period 12 seconds.
.SUN NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in W
to NW swell. Period 12 seconds.

$$

PMZ119-302100-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
154 AM PDT Wed Sep 30 2026

.TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Isolated tstms through the day.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
.FRI...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.FRI NIGHT...Variable winds less than 5 kt Gulf of Guayaquil,
and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 12 seconds.
.SAT...S to 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
12 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ121-302100-
Ecuador between 250 and 500 nm offshore-
154 AM PDT Wed Sep 30 2026

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in W to NW
swell. Period 15 seconds.
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 8 seconds.
.SAT...S winds 10 kt. Seas 3 to 5 ft. Period 10 seconds.
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ123-302100-
Offshore Galapagos Islands-
154 AM PDT Wed Sep 30 2026

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in W to NW
swell. Period 12 seconds.
.SAT...SE to S winds 10 kt. Seas 4 to 6 ft in W to NW swell.
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 4 to 6 ft. Period
11 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.

$$

Forecaster ERA