544 FZPN28 KNHC 180915 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 215 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 215 AM PDT Tue May 18 2021 .SYNOPSIS...Moderate east winds will gradually diminish tonight in the Gulf of Papagayo. Long-period cross equatorial southerly swell will continue to impact the offshore forecast waters through Fri night, then begin to subside on Sat. $$ PMZ111-182115- Guatemala and El Salvador to 250 nm offshore- 215 AM PDT Tue May 18 2021 .TODAY...E to SE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds.Isolated showers and thunderstorms. .TONIGHT...SE to S winds 10 kt in the evening, becoming variable less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Isolated showers and thunderstorms. .WED...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Isolated showers and thunderstorms. .WED NIGHT...S winds 10 kt in the evening, becoming variable less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. Isolated showers and thunderstorms. .THU...E to SE winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .THU NIGHT...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .FRI...E to SE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SAT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ113-182115- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 215 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. $$ PMZ115-182115- North Costa Rica to West Panama to 250 nm offshore- 215 AM PDT Tue May 18 2021 .TODAY...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .WED...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 20 seconds. Scattered showers and isolated thunderstorms. .THU...Variable winds less than 5 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .FRI...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. $$ PMZ117-182115- East Panama and Colombia including the Gulf of Panama- 215 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. $$ PMZ119-182115- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 215 AM PDT Tue May 18 2021 .TODAY...Gulf of Guayaquil, SW winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .WED...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 19 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...S to SW winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 18 seconds. Isolated showers and thunderstorms. .THU...S to SW winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. .THU NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ121-182115- Ecuador between 250 and 500 nm offshore- 215 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. $$ PMZ123-182115- Offshore Galapagos Islands- 215 AM PDT Tue May 18 2021 .TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft in S to SW swell. Period 20 seconds. .WED...SE winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 19 seconds. .WED NIGHT...SE winds 10 kt. Seas 7 to 10 ft in S to SW swell. Period 18 seconds. .THU...SE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. $$ Forecaster Aguirre