329 FZPN28 KNHC 152128 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 228 PM PDT Thu May 15 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. PMZ101-160930- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 228 PM PDT Thu May 15 2025 .SYNOPSIS...Abundant moisture drawn in by a very moist and unstable southerly wind flow is expected to persist across the offshore waters of Costa Rica, Panama and Colombia through the upcoming weekend supporting the development of showers and thunderstorms over those waters. Gentle to moderate winds will prevail across the region through Sun, then diminish through Mon. Expect moderate to rough seas in long period SW swell between Ecuador and the Galapagos Islands through tonight. Slight to moderate seas, primarily in SW swell, will prevail elsewhere. $$ PMZ111-160930- Guatemala and El Salvador to 250 nm offshore- 228 PM PDT Thu May 15 2025 .TONIGHT...E to SE winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated tstms through the night. .FRI...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SAT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...E to SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE...SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ113-160930- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 228 PM PDT Thu May 15 2025 .TONIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SAT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...Variable winds less than 5 kt Offshore Gulf of Papagayo, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON...Variable winds less than 5 kt Offshore Gulf of Papagayo, and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. $$ PMZ115-160930- North Costa Rica to West Panama to 250 nm offshore- 228 PM PDT Thu May 15 2025 .TONIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated tstms through the night. .FRI...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SUN...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. .TUE...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. $$ PMZ117-160930- East Panama and Colombia including the Gulf of Panama- 228 PM PDT Thu May 15 2025 .TONIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered tstms through the night. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Numerous showers and scattered tstms. .FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered tstms. .SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .MON NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .TUE...Variable winds less than 5 kt Gulf of Panama, and S to SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. $$ PMZ119-160930- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 228 PM PDT Thu May 15 2025 .TONIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered tstms through the night. .SAT...Variable winds less than 5 kt Gulf of Guayaquil, and SE 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. $$ PMZ121-160930- Ecuador between 250 and 500 nm offshore- 228 PM PDT Thu May 15 2025 .TONIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .FRI...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SAT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. $$ PMZ123-160930- Offshore Galapagos Islands- 228 PM PDT Thu May 15 2025 .TONIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .FRI...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SAT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .TUE...SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. $$ Forecaster GR