752
FZPN28 KNHC 161608
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
908 AM PDT Thu Oct 16 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.

PMZ101-170415-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
908 AM PDT Thu Oct 16 2025

.SYNOPSIS...Fresh to occasionally strong SW winds and locally
rough seas will occur in association with EP91 well offshore of
Guatemala through Fri night. Otherwise, moderate SW winds and
moderate seas are expected south of the monsoon trough into early
next week, with gentle winds and moderate seas prevailing to the
north.

$$

PMZ111-170415-
Guatemala and El Salvador to 250 nm offshore-
908 AM PDT Thu Oct 16 2025

.TODAY...SW winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the day.
.TONIGHT...SW to W winds 15 to 25 kt. Seas 6 to 8 ft in S to SW
swell. Period 18 seconds. Scattered showers and isolated tstms
through the night.
.FRI...SW to W winds 10 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the day.
.FRI NIGHT...SW to W winds 10 to 20 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 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 15 seconds.
.SAT NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.SUN...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
14 seconds.
.SUN NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.MON...NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
13 seconds.
.MON NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds.

$$

PMZ113-170415-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
908 AM PDT Thu Oct 16 2025

.TODAY...Variable winds less than 5 kt Offshore Gulf of
Papagayo, and SW to W 10 to 15 kt Elsewhere. Seas 4 to 6 ft in S
to SW swell. Period 18 seconds. Scattered showers and isolated
tstms through the day.
.TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 18
seconds. Scattered tstms.
.FRI...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W 10 to 15 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the day.
.FRI NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 16 seconds. Scattered showers and isolated
tstms.
.SAT...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.SAT NIGHT...Variable winds less than 5 kt Offshore Gulf of
Papagayo, and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 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 Offshore Gulf of
Papagayo, and W 10 kt Elsewhere. Seas 3 to 5 ft. Period 14
seconds.
.MON...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds.
.MON NIGHT...W to NW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.

$$

PMZ115-170415-
North Costa Rica to West Panama to 250 nm offshore-
908 AM PDT Thu Oct 16 2025

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

$$

PMZ117-170415-
East Panama and Colombia including the Gulf of Panama-
908 AM PDT Thu Oct 16 2025

.TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. Scattered showers and isolated tstms through
the night.
.FRI...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.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the night.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ119-170415-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
908 AM PDT Thu Oct 16 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds.
.TONIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.
.FRI...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW
winds 10 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds.
.FRI NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.
.SAT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 14 seconds.
.SUN...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
13 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
12 seconds.
.MON...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.MON NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.

$$

PMZ121-170415-
Ecuador between 250 and 500 nm offshore-
908 AM PDT Thu Oct 16 2025

.TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.FRI...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds.
.FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 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 4 to 6 ft in S to SW swell.
Period 13 seconds.
.SUN...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
13 seconds.
.SUN NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.MON...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.MON NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
14 seconds.

$$

PMZ123-170415-
Offshore Galapagos Islands-
908 AM PDT Thu Oct 16 2025

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

$$

Forecaster ADAMS