FZPN28 KNHC 230400 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 900 PM PDT Sat Aug 22 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. PMZ101-231600- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 900 PM PDT Sat Aug 22 2026 .SYNOPSIS... High pressure will persist over the eastern Gulf of America and northwestern Caribbean into early next week, leading to fresh NE to E gap winds pulsing to strong speeds over the Papagayo region each evening and night. Moderate to fresh winds extending well downwind of Papagayo will impact the outer waters offshore of El Salvador and Guatemala through mid next week. South of the monsoon trough, gentle to locally moderate winds will persist through Wed night. Mainly moderate seas will prevail away from the Gulf of Papagayo through the forecast period. $$ PMZ111-231600- Guatemala and El Salvador to 250 nm offshore- 900 PM PDT Sat Aug 22 2026 .TONIGHT...N to NE winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 17 seconds. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. Period 17 seconds. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 9 ft in E to SE swell. Period 16 seconds. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft in E to SE swell. Period 13 seconds. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 13 seconds. .WED...E winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. $$ PMZ113-231600- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 900 PM PDT Sat Aug 22 2026 .TONIGHT...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 SE to S swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .SUN...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. Period 13 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and E 20 to 25 kt Elsewhere. Seas 6 to 9 ft in SE swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .MON...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and E 15 to 20 kt Elsewhere. Seas 6 to 8 ft in E to SE swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft in E swell. Period 13 seconds. .TUE...E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. Period 13 seconds. .TUE NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and E 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. .WED...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. .WED NIGHT...E winds 20 to 25 kt. Seas 4 to 6 ft. Period 12 seconds. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. $$ PMZ115-231600- North Costa Rica to West Panama to 250 nm offshore- 900 PM PDT Sat Aug 22 2026 .TONIGHT...Near the Azuero Peninsula, W winds 10 kt early in the evening, becoming variable winds less than 5 kt. Elsewhere, SW to W winds10 kt. Seas 3 to 5 ft. Period 13 seconds. Scattered showers and isolated tstms. .SUN...NE to E winds 10 kt Near the Azuero Peninsula, and variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...Near the Azuero Peninsula, E winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 18 seconds. Scattered showers and isolated tstms through the night. .MON...Variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Seas 3 to 5 ft in S swell. Period 18 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE...SW winds 10 kt. Seas 2 to 4 ft. Period 16 seconds. .TUE NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .WED...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .THU...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 15 seconds. .THU NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. $$ PMZ117-231600- East Panama and Colombia including the Gulf of Panama- 900 PM PDT Sat Aug 22 2026 .TONIGHT...Gulf of Panama, SW winds 10 kt early in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .SUN...Gulf of Panama, NW to N winds 10 kt. Elsewhere, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 18 seconds. Scattered showers and isolated tstms through the night. .MON...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 18 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. Period 14 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .THU...SW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .THU NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 18 seconds. $$ PMZ119-231600- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 900 PM PDT Sat Aug 22 2026 .TONIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SUN...S to SW winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 18 seconds. .MON...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. Period 13 seconds. .WED NIGHT...SW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .THU...S to SW winds 10 kt. Seas 2 to 4 ft. Period 16 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. $$ PMZ121-231600- Ecuador between 250 and 500 nm offshore- 900 PM PDT Sat Aug 22 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE to S swell. Period 10 seconds. .SUN...S winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. .SUN NIGHT...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 15 seconds. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .THU...S winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. .THU NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. $$ PMZ123-231600- Offshore Galapagos Islands- 900 PM PDT Sat Aug 22 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 17 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .THU...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. $$ Forecaster Ramos