216 
FZPN28 KNHC 180334
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
834 PM 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.

PMZ101-181545-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
834 PM PDT Thu Jul 17 2025

.SYNOPSIS...Pulsing fresh to strong northeast to east winds will
continue in the Gulf of Papagayo through Tue night with periods 
of rough seas. Moderate winds associated with this gap wind event
will continue to affect the outer offshore waters of El Salvador
and Guatemala through early next week. Otherwise, gentle to 
moderate southerly winds will continue between Ecuador and The 
Galapagos Islands through Tue night along with moderate seas. 

$$

PMZ111-181545-
Guatemala and El Salvador to 250 nm offshore-
834 PM PDT Thu Jul 17 2025

.TONIGHT...NE winds 10 to 15 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.
Scattered showers and isolated thunderstorms through the night. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. Scattered showers and isolated thunderstorms through
the day. 
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds. 
.SUN...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 12 seconds. 
.MON...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 15 seconds. 
.MON NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.TUE...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.TUE NIGHT...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 

$$

PMZ113-181545-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
834 PM PDT Thu Jul 17 2025

.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Period
15 seconds. Isolated showers and thunderstorms. 
.FRI...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE
swell. Period 14 seconds. Isolated showers and thunderstorms.
.FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds. Isolated showers and thunderstorms.
.SAT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and
NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period
14 seconds. Isolated showers and thunderstorms.
.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...NE to E winds 20 kt Offshore Gulf of Papagayo, and
E to SE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period
12 seconds. 
.MON...NE to E winds 10 to 15 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 14 seconds. 
.TUE...NE to E winds 20 kt Offshore Gulf of Papagayo, and NE to
E 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. 
.TUE NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
E 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. 

$$

PMZ115-181545-
North Costa Rica to West Panama to 250 nm offshore-
834 PM PDT Thu Jul 17 2025

.TONIGHT...Near the Azuero Peninsula, variable winds less than
5 kt. Variable winds less than 5 kt in the evening. Elsewhere,
SW to W winds 10 kt late. Seas 5 to 7 ft in S to SW swell. 
Period 15 seconds. Isolated showers and thunderstorms.
.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.
Isolated showers and thunderstorms.
.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
thunderstorms. 
.SAT...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
13 seconds. Scattered showers and isolated thunderstorms. 
.SAT 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 12 seconds. 
.SUN...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 11
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 12 seconds. 
.MON...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
12 seconds. 
.MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.TUE...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.TUE NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 

$$

PMZ117-181545-
East Panama and Colombia including the Gulf of Panama-
834 PM PDT Thu Jul 17 2025

.TONIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Isolated showers and thunderstorms.
.FRI...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. Isolated showers and isolated
thunderstorms. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. Scattered showers and isolated 
thunderstorms.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Scattered showers and isolated thunderstorms.
.SAT NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW 10 to 15 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. 
Period 11 seconds.
.SUN...Variable winds less than 5 kt Gulf of Panama, and SW
10 to 15 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 
12 seconds.
.SUN NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
12 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 to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.TUE NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 

$$

PMZ119-181545-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
834 PM PDT Thu Jul 17 2025

.TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 6 to 8 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
13 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 to 15 kt. Seas 4 to 6 ft. 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. 
.TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. 

$$

PMZ121-181545-
Ecuador between 250 and 500 nm offshore-
834 PM PDT Thu Jul 17 2025

.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 in S swell. Period
13 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 12 seconds. 
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 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. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 

$$

PMZ123-181545-
Offshore Galapagos Islands-
834 PM PDT Thu Jul 17 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 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 5 to 7 ft. Period
13 seconds. 
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE to S
swell. Period 12 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. 
.TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds. 
.TUE NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
12 seconds. 

$$

Forecaster Aguirre