178 FZPN28 KNHC 162130 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 230 PM PDT Thu May 16 2019 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. PMZ101-170930- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 230 PM PDT Thu May 16 2019 .SYNOPSIS...A weak pressure pattern will maintain generally gentle to moderate onshore wind flow across the region through Sat before moderate to fresh offshore gap winds develop across the Papagayo region. Large cross-equatorial SW swell will build seas to the west of Ecuador Fri night through early next week. Tropical cyclone activity is very unlikely in the Central American offshores through at least the next several days. $$ PMZ111-170930- Guatemala and El Salvador to 250 nm offshore- 230 PM PDT Thu May 16 2019 .TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated thunderstorms. .FRI...W to NW winds 10 kt early in the morning, becoming variable less than 5 kt, then, becoming S to SW 10 kt late in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 21 seconds. Scattered showers and isolated thunderstorms. .SAT...W winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .SUN...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .TUE...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .TUE NIGHT...SE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. $$ PMZ113-170930- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 230 PM PDT Thu May 16 2019 .TONIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated thunderstorms. .FRI...Offshore Gulf of Papagayo, N to NE winds 10 kt in the morning, becoming variable less than 5 kt, then, becoming W 10 kt late in the afternoon. Elsewhere, W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...Offshore Gulf of Papagayo, W winds 10 kt early in the evening, becoming variable less than 5 kt. Elsewhere, SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 19 seconds. .SAT...Offshore Gulf of Papagayo, N winds 10 kt in the morning, becoming variable less than 5 kt, then, becoming W to NW 10 kt late in the afternoon. Elsewhere, W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...W to NW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .SUN...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...Offshore Gulf of Papagayo, NE to E winds 15 to 20 kt. Elsewhere, variable winds less than 5 kt, becoming SE 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .MON...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and N to NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and E to SE 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .TUE...N winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. $$ PMZ115-170930- North Costa Rica to West Panama to 250 nm offshore- 230 PM PDT Thu May 16 2019 .TONIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SW 10 kt in the late morning and afternoon. Elsewhere, SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 22 seconds. Scattered showers and isolated thunderstorms. .SAT...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .SUN...Near the Azuero Peninsula, variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Elsewhere, SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .MON...SW winds 10 to 15 kt Near the Azuero Peninsula, and S to SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .MON NIGHT...S to SW winds 10 to 15 kt Near the Azuero Peninsula, and SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 20 seconds. .TUE...S to SW winds 10 kt Near the Azuero Peninsula, and S to SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 20 seconds. .TUE NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and S to SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. $$ PMZ117-170930- East Panama and Colombia including the Gulf of Panama- 230 PM PDT Thu May 16 2019 .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated thunderstorms. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 22 seconds. Scattered showers and isolated thunderstorms. .SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .SUN...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .MON...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .TUE...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .TUE NIGHT...Gulf of Panama, SW to W winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. $$ PMZ119-170930- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 230 PM PDT Thu May 16 2019 .TONIGHT...Gulf of Guayaquil, SW to W winds 10 to 15 kt until early morning, becoming variable less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 to 15 kt in the late morning and afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 21 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .SAT...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the late morning and afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .SAT NIGHT...Gulf of Guayaquil, SW to W winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SUN...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 21 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .TUE...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. $$ PMZ121-170930- Ecuador between 250 and 500 nm offshore- 230 PM PDT Thu May 16 2019 .TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 21 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .SAT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SUN...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON...SE to S winds 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .TUE...S winds 10 kt. Seas 5 to 7 ft in S swell. Period 19 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S swell. Period 18 seconds. $$ PMZ123-170930- Offshore Galapagos Islands- 230 PM PDT Thu May 16 2019 .TONIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .FRI...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 21 seconds. .FRI NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .SAT...SE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .SAT NIGHT...SE winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .MON...SE to S winds 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. $$ Forecaster Christensen