000 FZPN28 KNHC 181615 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 915 AM PDT Fri Aug 18 2023 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. PMZ101-190315- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 915 AM PDT Fri Aug 18 2023 .SYNOPSIS...Moderate to fresh winds will prevail in the Papagayo region through Sat night, then mainly gentle to moderate winds and moderate seas in SW swell are forecast. Fresh SW to W winds and building seas to 8 or 9 ft are expected across the offshore waters from northern Costa Rica to western Panama Sun night through Tue night, most probably related to low pressure that may form along the monsoon trough. Elsewhere across the offshore forecast waters of Central and South America, gentle to moderate winds and moderate seas are expected through the early next week. $$ PMZ111-190315- Guatemala and El Salvador to 250 nm offshore- 915 AM PDT Fri Aug 18 2023 .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms through the day. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms through the night. .SAT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and isolated thunderstorms through the day. .SAT NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. Scattered showers and isolated thunderstorms through the night. .SUN...SE to S winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 11 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. .MON...N to NE winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 13 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 15 seconds. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in SW to W swell. Period 14 seconds. .TUE NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. $$ PMZ113-190315- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 915 AM PDT Fri Aug 18 2023 .TODAY...SE winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms.. .SAT...Offshore Gulf of Papagayo, NE to E winds 15 to 20 kt. Elsewhere, E to SE winds 10 to 15 kt, shifting to S to SW in the afternoon. Seas 5 to 7 ft in SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and S to SW 10 to 15 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SUN NIGHT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 10 seconds. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 14 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in SW to W swell. Period 15 seconds. .TUE...N winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. $$ PMZ115-190315- North Costa Rica to West Panama to 250 nm offshore- 915 AM PDT Fri Aug 18 2023 .TODAY...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW winds 10 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...Variable winds less than 5 kt Near the Azuero Peninsula, and W 10 to 15 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and thunderstorms. .SUN...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 11 seconds. .SUN NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 10 seconds. .MON...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell. Period 12 seconds. .MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell. Period 13 seconds. .TUE...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 12 seconds. .TUE NIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 12 seconds. $$ PMZ117-190315- East Panama and Colombia including the Gulf of Panama- 915 AM PDT Fri Aug 18 2023 .TODAY...Gulf of Panama, variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. Scattered showers and thunderstorms. .SAT NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. Scattered showers and thunderstorms. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 11 seconds. .MON...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 10 seconds. .MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 13 seconds. .TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 14 seconds. $$ PMZ119-190315- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 915 AM PDT Fri Aug 18 2023 .TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TONIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. $$ PMZ121-190315- Ecuador between 250 and 500 nm offshore- 915 AM PDT Fri Aug 18 2023 .TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .SAT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .MON NIGHT...S to SW winds 10 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. Period 13 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. $$ PMZ123-190315- Offshore Galapagos Islands- 915 AM PDT Fri Aug 18 2023 .TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. $$ Forecaster Aguirre