631 FZPN28 KNHC 220249 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 749 PM PDT Sat Jun 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. PMZ101-221500- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 749 PM PDT Sat Jun 21 2025 .SYNOPSIS...Fresh NE winds will pulse across the Papagayo region through early next week as strong trade winds continue over the southwestern Caribbean. Elsewhere, moderate to fresh S to SW winds are expected south of the monsoon trough through early next week. Locally rough seas in S to SW swell are likely well offshore of Costa Rica and Nicaragua early next week. Looking ahead, an area of low pressure is forecast to develop in a couple of days off the coast of Central America. Environmental conditions appear conducive for gradual development after that time and a tropical depression is likely to form by the middle of next week. This system is forecast to move west- northwestward just off the coasts of Central America and southern Mexico. There is a high chance of formation within the next 7 days. $$ PMZ111-221500- Guatemala and El Salvador to 250 nm offshore- 749 PM PDT Sat Jun 21 2025 .TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .SUN...N to NE winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...Variable winds less than 5 kt, becoming NW to N 10 kt late. Seas 4 to 6 ft in S swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .MON...NW to N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 12 seconds. .TUE...NE winds 15 to 20 kt. Seas 6 to 9 ft in SE to S swell. Period 11 seconds. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. Period 10 seconds. .WED...E to SE winds 20 to 25 kt. Seas 7 to 10 ft in E to SE swell. Period 7 seconds. .WED NIGHT...SE to S winds 15 to 20 kt. Seas 7 to 10 ft in SE to S swell. Period 11 seconds. .THU...S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 13 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. $$ PMZ113-221500- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 749 PM PDT Sat Jun 21 2025 .TONIGHT...SE to S winds 10 to 15 kt, shifting to NE to E late. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .SUN...N to NE winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 14 seconds. Scattered tstms. .SUN NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 10 seconds. Numerous showers and scattered tstms. .MON...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period 8 seconds. Numerous showers and scattered tstms. .MON NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period 7 seconds. .TUE...SE winds 20 to 25 kt. Seas 6 to 9 ft in S swell. Period 7 seconds. .TUE NIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 7 seconds. .WED...E to SE winds 10 kt Offshore Gulf of Papagayo, and S 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 7 seconds. .WED NIGHT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and S to SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 8 seconds. .THU...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .THU NIGHT...W winds 10 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. $$ PMZ115-221500- North Costa Rica to West Panama to 250 nm offshore- 749 PM PDT Sat Jun 21 2025 .TONIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft in S swell. Period 10 seconds. Numerous showers and scattered tstms. .SUN...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 10 seconds. Numerous showers and scattered tstms. .SUN NIGHT...SW to W winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 8 seconds. Numerous showers and scattered tstms. .MON...SW to W winds 10 to 15 kt Near the Azuero Peninsula, and SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 8 seconds. Scattered tstms through the day. .MON NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 7 seconds. .TUE...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 11 seconds. .TUE NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 11 seconds. .WED...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 11 seconds. .WED NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 11 seconds. .THU...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 13 seconds. .THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. $$ PMZ117-221500- East Panama and Colombia including the Gulf of Panama- 749 PM PDT Sat Jun 21 2025 .TONIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. Numerous showers and scattered tstms through the night. .SUN...SW winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell. Period 7 seconds. Numerous showers and scattered tstms through the day. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 7 seconds. Scattered tstms through the night. .MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. Numerous showers and scattered tstms through the day. .MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .TUE...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE NIGHT...W winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .WED...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 12 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. $$ PMZ119-221500- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 749 PM PDT Sat Jun 21 2025 .TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 16 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .MON...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. .TUE...SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 11 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. .THU...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 15 seconds. .THU NIGHT...SW to W winds 10 kt Gulf of Guayaquil, and S to SW 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S swell. Period 15 seconds. $$ PMZ121-221500- Ecuador between 250 and 500 nm offshore- 749 PM PDT Sat Jun 21 2025 .TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 9 seconds. .SUN...S winds 15 to 20 kt. Seas 5 to 7 ft in SE to S swell. Period 9 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period 11 seconds. .TUE...S winds 10 kt. Seas 5 to 7 ft in S swell. Period 11 seconds. .TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 10 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 10 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 13 seconds. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 15 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. $$ PMZ123-221500- Offshore Galapagos Islands- 749 PM PDT Sat Jun 21 2025 .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 10 seconds. .SUN...S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 13 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 11 seconds. .TUE...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 11 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in SE to S swell. Period 10 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 13 seconds. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. $$ Forecaster Stripling