496 FZPN28 KNHC 180926 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 226 AM PDT Tue May 18 2021 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. PMZ101-182115- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 226 AM PDT Tue May 18 2021 .SYNOPSIS...Long-period cross equatorial southerly swell will continue to impact the offshore forecast waters through Fri night, then begin to subside on Sat. $$ PMZ111-182115- Guatemala and El Salvador to 250 nm offshore- 226 AM PDT Tue May 18 2021 .TODAY...E to SE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds.Isolated showers and thunderstorms. .TONIGHT...SE to S winds 10 kt in the evening, becoming variable less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Isolated showers and thunderstorms. .WED...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Isolated showers and thunderstorms. .WED NIGHT...S winds 10 kt in the evening, becoming variable less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. Isolated showers and thunderstorms. .THU...E to SE winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .THU NIGHT...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .FRI...E to SE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SAT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ113-182115- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 226 AM PDT Tue May 18 2021 .TODAY...Offshore Gulf of Papagayo, NE to E winds 10 to 15 kt in the morning, becoming variable less than 5 kt. Elsewhere, N to NE winds 10 kt, shifting to W to NW in the afternoon. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .TONIGHT...S to SW winds 10 kt in the evening, becoming variable less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Isolated showers and thunderstorms. .WED...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Isolated showers and thunderstorms. .WED NIGHT...Offshore Gulf of Papagayo, SW to W winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. Scattered showers and isolated thunderstorms. .THU...NE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds. .THU NIGHT...SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .FRI...NE to E winds 10 kt Offshore Gulf of Papagayo, and variable less than 5 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...NE winds 10 to 15 kt Offshore Gulf of Papagayo, and variable less than 5 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .SAT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and N 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and NW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ115-182115- North Costa Rica to West Panama to 250 nm offshore- 226 AM PDT Tue May 18 2021 .TODAY...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .WED...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .THU...Variable winds less than 5 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .FRI...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ117-182115- East Panama and Colombia including the Gulf of Panama- 226 AM PDT Tue May 18 2021 .TODAY...Gulf of Panama, NW winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. Scattered showers and thunderstorms. .TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. Scattered showers and thunderstorms. .WED...Variable winds less than 5 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. Scattered showers and thunderstorms. .WED NIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 6 to 9 ft in S to SW swell. Period 20 seconds. Scattered showers and thunderstorms. .THU...SW to W winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .THU NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 to 15 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .FRI...SW to W winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SAT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. $$ PMZ119-182115- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 226 AM PDT Tue May 18 2021 .TODAY...Gulf of Guayaquil, SW winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .WED...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...S to SW winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 18 seconds. Isolated showers and thunderstorms. .THU...S to SW winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .THU NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ121-182115- Ecuador between 250 and 500 nm offshore- 226 AM PDT Tue May 18 2021 .TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .TONIGHT...SE to S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .WED...SE to S winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 19 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 18 seconds. .THU...SE to S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. $$ PMZ123-182115- Offshore Galapagos Islands- 226 AM PDT Tue May 18 2021 .TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft in S to SW swell. Period 20 seconds. .WED...SE winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 19 seconds. .WED NIGHT...SE winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 18 seconds. .THU...SE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. $$ Forecaster Aguirre