839
FZPN28 KNHC 160847
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
147 AM PDT Wed Jul 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.

PMZ101-162100-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
147 AM PDT Wed Jul 16 2025

.SYNOPSIS...Pulsing fresh to strong NE to E winds are expected
in the Gulf of Papagayo through the weekend as high pressure
builds over Mexico and the Gulf of America, building seas to
rough at times. Moderate to fresh N winds will pulse in the Gulf
of Panama through Thu night. A SW swell will continue to
propagate through the South American waters through Thu,
promoting rough seas offshore of Ecuador and Colombia.

$$

PMZ111-162100-
Guatemala and El Salvador to 250 nm offshore-
147 AM PDT Wed Jul 16 2025

.TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.TONIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.THU NIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SAT...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.

$$

PMZ113-162100-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
147 AM PDT Wed Jul 16 2025

.TODAY...NE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds.
.TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. Period
16 seconds.
.THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
15 seconds.
.THU NIGHT...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. Period
15 seconds.
.FRI...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 12 seconds.
.FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Period
13 seconds.
.SAT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
12 seconds.
.SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.
.SUN...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds.
.SUN NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period
11 seconds.

$$

PMZ115-162100-
North Costa Rica to West Panama to 250 nm offshore-
147 AM PDT Wed Jul 16 2025

.TODAY...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt
late. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.THU...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 day.
.THU NIGHT...Near the Azuero Peninsula, variable winds less than
5 kt. Elsewhere, variable winds less than 5 kt, becoming SW to W
10 kt late. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. Scattered showers and isolated tstms through the
night.
.FRI...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.FRI NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds.
.SAT...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds.
.SAT NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.SUN...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 12 seconds.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.

$$

PMZ117-162100-
East Panama and Colombia including the Gulf of Panama-
147 AM PDT Wed Jul 16 2025

.TODAY...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.
.TONIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the night.
.THU...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms through
the day.
.THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. Scattered showers and isolated tstms
through the night.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.SAT NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds.
.SUN...Variable winds less than 5 kt Gulf of Panama, and SW
10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 12 seconds.
.SUN NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ119-162100-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
147 AM PDT Wed Jul 16 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to 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.
.THU...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.FRI...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 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 4 to 6 ft. Period
13 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.

$$

PMZ121-162100-
Ecuador between 250 and 500 nm offshore-
147 AM PDT Wed Jul 16 2025

.TODAY...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.SAT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
12 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 4 to 6 ft. Period 14 seconds.
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.

$$

PMZ123-162100-
Offshore Galapagos Islands-
147 AM PDT Wed Jul 16 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 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 11 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S
swell. Period 11 seconds.
.SAT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell.
Period 11 seconds.
.SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell.
Period 13 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.

$$

Forecaster ERA