000 FZPN28 KNHC 182115 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 215 PM 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. PMZ101-190915- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 215 PM PDT Fri Aug 18 2023 .SYNOPSIS...Fresh to strong northeast to east winds are expected in the Papagayo region tonight, then winds mainly at fresh speeds are expected afterward. Moderate seas in southwest swell are forecast for this same region. Fresh southwest to west winds and building seas 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 period. $$ PMZ111-190915- Guatemala and El Salvador to 250 nm offshore- 215 PM PDT Fri Aug 18 2023 .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...E winds 10 kt. Seas 4 to 6 ft in W swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in W to NW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...W winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. .MON...NE winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 13 seconds. .MON NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW to W swell. Period 15 seconds. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .TUE NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED NIGHT...SW winds 15 to 20 kt. Seas 7 to 11 ft in S to SW swell. Period 14 seconds. $$ PMZ113-190915- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 215 PM PDT Fri Aug 18 2023 .TONIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and SE to S 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and E 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 12 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and SE to S 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN...Offshore Gulf of Papagayo, NE to E winds 20 kt, diminishing to 10 to 15 kt in the afternoon. Elsewhere, N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 11 seconds. .MON...N winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. .MON NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .TUE...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED...NW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 13 seconds. .WED NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in SW swell. Period 14 seconds. $$ PMZ115-190915- North Costa Rica to West Panama to 250 nm offshore- 215 PM PDT Fri Aug 18 2023 .TONIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...Near the Azuero Peninsula, variable winds less than 5 kt, becoming S 10 kt in the afternoon. Elsewhere, SW to W winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and thunderstorms. .SUN...Near the Azuero Peninsula, variable winds less than 5 kt, becoming S to SW 10 kt in the afternoon. Elsewhere, SW to W winds 15 to 20 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. Numerous showers and thunderstorms. .SUN NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 10 seconds. .MON...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 7 seconds. .MON NIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 12 seconds. .TUE...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell. Period 12 seconds. .TUE NIGHT...SW winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 12 seconds. .WED...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. $$ PMZ117-190915- East Panama and Colombia including the Gulf of Panama- 215 PM PDT Fri Aug 18 2023 .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 isolated 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 12 seconds. Scattered showers and thunderstorms. .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 to W 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 13 seconds. .WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. $$ PMZ119-190915- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 215 PM PDT Fri Aug 18 2023 .TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. .WED...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .WED NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. $$ PMZ121-190915- Ecuador between 250 and 500 nm offshore- 215 PM PDT Fri Aug 18 2023 .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 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 11 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 to 15 kt. Seas 4 to 6 ft. 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. .WED...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ123-190915- Offshore Galapagos Islands- 215 PM PDT Fri Aug 18 2023 .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. $$ Forecaster Aguirre