000 FZPN28 KNHC 171634 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 934 AM PDT Thu Apr 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. PMZ101-180445- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 934 AM PDT Thu Apr 17 2025 .SYNOPSIS...High pressure that extends from the southeastern United States to the northwestern Caribbean will shift gradually eastward during the next few days, with the associated gradient allowing for fresh to strong northeast to east gap winds across the Papagayo region, pulsing to near 30 kt at night through Sat night, then diminishing slightly through Mon night. The same gradient will produce moderate to fresh north winds in the Gulf of Panama south to near 5N through Sat night. Fresh to strong north to northeast winds are expected in the Gulf of Panama tonight and Fri night. Moderate southwest swell is forecast to propagate through the regional waters Mon. $$ PMZ111-180445- Guatemala and El Salvador to 250 nm offshore- 934 AM PDT Thu Apr 17 2025 .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. Period 14 seconds. .TONIGHT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in E to SE swell. Period 16 seconds. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 16 seconds. .FRI NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in E to SE swell. Period 16 seconds. Scattered showers through the night. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 14 seconds. .SAT NIGHT...N winds 10 kt. Seas 5 to 7 ft in E to SE swell. Period 14 seconds. .SUN...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...N winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .MON...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ113-180445- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 934 AM PDT Thu Apr 17 2025 .TODAY...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NE to E swell. Period 10 seconds. .TONIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and E 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period 11 seconds. .FRI...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 NE to E swell. Period 15 seconds. .FRI NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 6 to 9 ft in NE to E swell. Period 16 seconds. .SAT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. Period 12 seconds. .SAT NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and N to NE 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 12 seconds. .SUN...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 13 seconds. .SUN NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds. .MON...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. .MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. $$ PMZ115-180445- North Costa Rica to West Panama to 250 nm offshore- 934 AM PDT Thu Apr 17 2025 .TODAY...Near the Azuero Peninsula, NE winds 10 to 15 kt, shifting to S in the afternoon. Elsewhere, variable winds less than 5 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. Scattered showers through the day. .TONIGHT...Near the Azuero Peninsula, NW winds 10 to 15 kt, shifting to N to NE 15 to 20 kt late. Elsewhere, variable winds less than 5 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. .FRI...Near the Azuero Peninsula, N to NE winds 15 to 20 kt, shifting to W 10 to 15 kt in the afternoon. Elsewhere, NW winds 10 kt, shifting to W in the afternoon. Seas 5 to 7 ft in S swell. Period 15 seconds. .FRI NIGHT...W winds 10 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. Scattered showers through the night. .SAT...SW to W winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .SAT NIGHT...W winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SUN...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SUN NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .MON...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. $$ PMZ117-180445- East Panama and Colombia including the Gulf of Panama- 934 AM PDT Thu Apr 17 2025 .TODAY...Gulf of Panama, N to NE winds 15 to 20 kt. Elsewhere, NE winds 10 kt, shifting to NW to N in the afternoon. Seas 4 to 6 ft. Period 17 seconds. Winds and seas higher in and near scattered to numerous showers and thunderstorms. .TONIGHT...N to NE winds 15 to 20 kt Gulf of Panama, and NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 16 seconds. Scattered showers and thunderstorms. .FRI...N winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...Gulf of Panama, N winds 15 to 20 kt. Elsewhere, N winds 10 kt, shifting to SE late. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated thunderstorms. .SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT NIGHT...NW winds 10 kt. Seas 3 to 5 ft in mixed SE and SW swell. Period 14 seconds. .SUN...W winds 10 kt. Seas 3 to 5 ft in mixed SE and SW swell. Period 13 seconds. .SUN NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft in SW swell. Period 14 seconds. .MON...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .MON NIGHT...Variable winds less than 5 kt Gulf of Panama, and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ PMZ119-180445- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 934 AM PDT Thu Apr 17 2025 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, SE to S winds 10 kt, shifting to SW to W in the afternoon. Seas 4 to 6 ft in S swell. Period 16 seconds. Isolated showers and thunderstorms. .TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. Isolated showers and thunderstorms. .FRI...S to SW winds 10 kt. Seas 3 to 5 ft in S swell. Period 15 seconds. Isolated Scattered showers through the day. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated thunderstorms. .SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. $$ PMZ121-180445- Ecuador between 250 and 500 nm offshore- 934 AM PDT Thu Apr 17 2025 .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft in S swell. Period 8 seconds. .TONIGHT...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .FRI...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SAT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .MON...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ123-180445- Offshore Galapagos Islands- 934 AM PDT Thu Apr 17 2025 .TODAY...E to SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. Isolated showers. .TONIGHT...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. Isolated showers. .FRI...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. Isolated showers. .FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Isolated showers. .SAT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN NIGHT...SE to S winds 10 kt Elsewhere, and variable less than 5 kt Lee of Galapagos Islands. Seas 5 to 7 ft in SW swell. Period 13 seconds. .MON...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. $$ Forecaster Aguirre