395 FZPN28 KNHC 190938 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 238 AM PDT Mon May 19 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. PMZ101-192145- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 238 AM PDT Mon May 19 2025 .SYNOPSIS...Gentle to moderate SE to SW winds are expected this week south of the monsoon trough, from Costa Rica southward through the South American waters. North of the monsoon trough, gentle to locally moderate E to NE winds are anticipated. Looking ahead, moderate to fresh E to NE winds will pulse in the Gulf of Papagayo Thu night into this weekend. Elsewhere, a long-period S to SW swell will promote rough seas well offshore of Ecuador near the Galapagos Islands by late this week. $$ PMZ111-192145- Guatemala and El Salvador to 250 nm offshore- 238 AM PDT Mon May 19 2025 .TODAY...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE...SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .FRI...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ113-192145- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 238 AM PDT Mon May 19 2025 .TODAY...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...Offshore Gulf of Papagayo, S winds 10 kt 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. .TUE...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...Offshore Gulf of Papagayo, variable winds less than 5 kt, becoming NE to E 10 kt late. Elsewhere, variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .WED...NE to E winds 10 to 15 kt Offshore Gulf of Papagayo, and variable less than 5 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. .WED NIGHT...E to SE winds 10 to 20 kt Offshore Gulf of Papagayo, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU...N to NE winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and NE to E 10 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...E to SE winds 10 to 20 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ115-192145- North Costa Rica to West Panama to 250 nm offshore- 238 AM PDT Mon May 19 2025 .TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .TUE...Near the Azuero Peninsula, variable winds less than 5 kt. Variable winds less than 5 kt in the morning. Elsewhere, SW to W winds 10 kt in the afternoon. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .WED...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU...NE winds 10 kt Near the Azuero Peninsula, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .FRI...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ117-192145- East Panama and Colombia including the Gulf of Panama- 238 AM PDT Mon May 19 2025 .TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TONIGHT...Gulf of Panama, variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt, becoming SW 10 kt late. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .TUE...Gulf of Panama, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .WED...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .THU...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .FRI...Variable winds less than 5 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .FRI NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 6 to 8 ft in SW swell. Period 15 seconds. $$ PMZ119-192145- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 238 AM PDT Mon May 19 2025 .TODAY...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE NIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .WED...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. .THU...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 15 seconds. $$ PMZ121-192145- Ecuador between 250 and 500 nm offshore- 238 AM PDT Mon May 19 2025 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .WED...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .WED NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .THU...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 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 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. $$ PMZ123-192145- Offshore Galapagos Islands- 238 AM PDT Mon May 19 2025 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 19 seconds. .WED...SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .WED NIGHT...SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. .THU...SE winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .FRI...SE to S winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. $$ Forecaster ADAMS