603
FZPN28 KNHC 171605
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
905 AM PDT Thu Jul 17 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.

PMZ101-180415-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
905 AM PDT Thu Jul 17 2025

.SYNOPSIS...Pulsing fresh to strong NE to E winds will continue
in the Gulf of Papagayo through the weekend, diminishing to
moderate to fresh speeds by Mon. Gentle to moderate southerly
winds will continue between Ecuador and The Galapagos Islands
through Mon night with moderate seas. Locally moderate or weaker
winds will prevail elsewhere.

$$

PMZ111-180415-
Guatemala and El Salvador to 250 nm offshore-
905 AM PDT Thu Jul 17 2025

.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.TONIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.FRI...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI NIGHT...Variable winds less than 5 kt, becoming NE 10 kt
late. Seas 5 to 7 ft in S swell. Period 14 seconds.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SUN...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 11 seconds.
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to
S swell. Period 11 seconds.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.MON NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.

$$

PMZ113-180415-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
905 AM PDT Thu Jul 17 2025

.TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S swell.
Period 15 seconds.
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Period
15 seconds.
.FRI...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE
swell. Period 14 seconds.
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds. Scattered showers and isolated tstms through the
night.
.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...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.
.MON...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds.
.MON NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
E 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 15 seconds.

$$

PMZ115-180415-
North Costa Rica to West Panama to 250 nm offshore-
905 AM PDT Thu Jul 17 2025

.TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the day.
.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the night.
.FRI...Variable winds less than 5 kt, becoming SW 10 kt in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.FRI NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. Scattered showers and isolated tstms
through the night.
.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 12 seconds.
.SAT NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period
12 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 11 seconds.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period
12 seconds.
.MON...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.
.MON NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.

$$

PMZ117-180415-
East Panama and Colombia including the Gulf of Panama-
905 AM PDT Thu Jul 17 2025

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

$$

PMZ119-180415-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
905 AM PDT Thu Jul 17 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.TONIGHT...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 14 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
11 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
14 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ121-180415-
Ecuador between 250 and 500 nm offshore-
905 AM PDT Thu Jul 17 2025

.TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.TONIGHT...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 14 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.

$$

PMZ123-180415-
Offshore Galapagos Islands-
905 AM PDT Thu Jul 17 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds.
.TONIGHT...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 SE to S
swell. Period 13 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE to
S swell. Period 13 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 12 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 swell.
Period 12 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

Forecaster Ramos