FZPN28 KNHC 232156 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 256 PM PDT Sun Aug 23 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. PMZ101-241000- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 256 PM PDT Sun Aug 23 2026 .SYNOPSIS... High pressure will persist over the eastern Gulf of America and northwestern Caribbean leading to fresh NE to E gap winds pulsing to strong speeds over the Papagayo region each evening and night through Wed night. Moderate to fresh winds extending well downwind of Papagayo will impact the outer waters offshore of El Salvador and Guatemala through the middle of the week. South of the monsoon trough, gentle to locally moderate winds will persist through Wed night. Additional pulses of long period SW swell will continue to propagate across the area with moderate to locally rough seas. $$ PMZ111-241000- Guatemala and El Salvador to 250 nm offshore- 256 PM PDT Sun Aug 23 2026 .TONIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. Period 11 seconds. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 10 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .TUE...NE winds 10 to 15 kt, shifting to SE in the afternoon. Seas 5 to 7 ft. Period 16 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...E winds 10 kt. Seas 4 to 6 ft in E to SE swell. Period 12 seconds. .WED...NE winds 10 kt. Seas 4 to 6 ft in E to SE swell. Period 12 seconds. .WED NIGHT...N to NE winds 10 kt. Seas 4 to 6 ft in E to SE swell. Period 10 seconds. .THU...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. Period 12 seconds. .THU NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. Period 13 seconds. .FRI...E winds 20 to 25 kt. Seas 6 to 8 ft. Period 14 seconds. .FRI NIGHT...E to SE winds 25 to 30 kt. Seas 6 to 8 ft. Period 16 seconds. $$ PMZ113-241000- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 256 PM PDT Sun Aug 23 2026 .TONIGHT...E to SE winds 20 to 25 kt. Seas 7 to 10 ft in SE swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .MON...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 9 ft in E swell. Period 10 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .TUE...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft in NE to E swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...NE winds 20 to 25 kt. Seas 6 to 8 ft. Period 12 seconds. .WED...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 12 seconds. .WED NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Period 12 seconds. .THU...E winds 20 to 25 kt. Seas 6 to 9 ft in E swell. Period 12 seconds. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. Period 13 seconds. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 12 seconds. .FRI NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 9 ft in SW swell. Period 14 seconds. $$ PMZ115-241000- North Costa Rica to West Panama to 250 nm offshore- 256 PM PDT Sun Aug 23 2026 .TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 10 seconds. Scattered showers and isolated tstms through the night. .MON...Variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Seas 3 to 5 ft in S swell. Period 9 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .TUE...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. Scattered showers and isolated tstms. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. Period 12 seconds. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .THU...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 10 seconds. .THU NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 7 seconds. .FRI...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 11 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. $$ PMZ117-241000- East Panama and Colombia including the Gulf of Panama- 256 PM PDT Sun Aug 23 2026 .TONIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 10 seconds. Scattered showers and isolated tstms through the night. .MON...SW to W winds 10 kt. Seas 2 to 4 ft. Period 17 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .TUE...SW winds 10 to 15 kt. Seas 2 to 4 ft. Period 16 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Period 13 seconds. .WED...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Period 12 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Period 12 seconds. .THU...SW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .THU 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. .FRI...Variable winds less than 5 kt. Seas 3 to 5 ft in SW swell. Period 13 seconds. .FRI NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. $$ PMZ119-241000- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 256 PM PDT Sun Aug 23 2026 .TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .MON...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 to 15 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 2 to 4 ft. Period 17 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .THU...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .FRI NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. $$ PMZ121-241000- Ecuador between 250 and 500 nm offshore- 256 PM PDT Sun Aug 23 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .THU...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .THU NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .FRI...S winds 10 kt. Seas 5 to 7 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. $$ PMZ123-241000- Offshore Galapagos Islands- 256 PM PDT Sun Aug 23 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .THU...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .FRI...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. $$ Forecaster GR