446 FZPN28 KNHC 220359 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 859 PM PDT Wed May 21 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. PMZ101-221600- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 859 PM PDT Wed May 21 2025 .SYNOPSIS...Moderate to fresh E winds are expected in the Gulf of Papagayo through this weekend as low pressure prevails over northwestern Colombia. Winds may occasionally reach strong speeds, especially during the afternoon and evening hours. Moderate to fresh winds may extend beyond the Papagayo region, impacting areas well offshore of Guatemala and El Salvador. Elsewhere, a long-period SW swell is slated to move through the South American waters Fri through this weekend, leading to rough seas offshore of Ecuador and Colombia. $$ PMZ111-221600- Guatemala and El Salvador to 250 nm offshore- 859 PM PDT Wed May 21 2025 .TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .THU...Variable winds less than 5 kt, becoming E to SE 10 kt in the afternoon. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .THU NIGHT...SE winds 10 kt, shifting to NE late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SAT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SUN...E winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. Period 15 seconds. .SUN NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .MON...SE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. $$ PMZ113-221600- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 859 PM PDT Wed May 21 2025 .TONIGHT...Offshore Gulf of Papagayo, SE to S winds 10 to 20 kt, shifting to NE to E 15 to 20 kt late. Elsewhere, E to SE winds 10 kt, shifting to NW to N late. Seas 4 to 6 ft in S to SW swell. Period 19 seconds. .THU...NE to E winds 15 to 25 kt Offshore Gulf of Papagayo, and NE to E 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .THU NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and E to SE 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...NE to E winds 10 to 20 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. .SAT...NE to E winds 15 to 25 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SUN...SE winds 15 to 25 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SUN NIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON...S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. $$ PMZ115-221600- North Costa Rica to West Panama to 250 nm offshore- 859 PM PDT Wed May 21 2025 .TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .THU...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .THU NIGHT...Near the Azuero Peninsula, variable winds less than 5 kt. Variable winds less than 5 kt in the evening. Elsewhere, SW winds 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SUN...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SUN NIGHT...W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .MON...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ117-221600- East Panama and Colombia including the Gulf of Panama- 859 PM PDT Wed May 21 2025 .TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .THU...Gulf of Panama, variable winds less than 5 kt. Variable winds less than 5 kt in the morning. Elsewhere, W winds 10 kt in the afternoon. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU NIGHT...Gulf of Panama, variable winds less than 5 kt, becoming W 10 kt late. Elsewhere, SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...SE to S winds 10 kt, shifting to SW to W in the afternoon. Seas 6 to 8 ft in SW swell. Period 16 seconds. .FRI NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SAT...S to SW winds 10 kt. Seas 6 to 9 ft in SW swell. Period 15 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SUN...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON NIGHT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ119-221600- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 859 PM PDT Wed May 21 2025 .TONIGHT...SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period 18 seconds. .THU...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. .THU NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 15 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 17 seconds. .SUN...S to SW winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. $$ PMZ121-221600- Ecuador between 250 and 500 nm offshore- 859 PM PDT Wed May 21 2025 .TONIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .THU...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .FRI...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT...S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .SUN...SE to S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. $$ PMZ123-221600- Offshore Galapagos Islands- 859 PM PDT Wed May 21 2025 .TONIGHT...SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. .THU...SE to S winds 10 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 6 to 9 ft in SW swell. Period 15 seconds. .FRI...SE to S winds 10 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .SUN...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .SUN NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. $$ Forecaster ADAMS