748 FZPN28 KNHC 091618 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 918 AM PDT Thu Sep 9 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. PMZ101-100430- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 918 AM PDT Thu Sep 9 2021 .SYNOPSIS...Strong south to southwest winds are expected over the offshore waters of Guatemala and El Salvador late Sat through late Sun as low pressure develops south of the southern coast of Mexico. Seas offshore Guatemala, Honduras and El Salvador are expected to build this weekend due to strong south to southwest winds combining with southwest swell that will be propagating through those same offshore waters. These seas will begin to slowly subside early next week. $$ PMZ111-100430- Guatemala and El Salvador to 250 nm offshore- 918 AM PDT Thu Sep 9 2021 .TODAY...Variable winds less than 5 kt in the afternoon. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .TONIGHT...S winds 10 kt, shifting to W late. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated tstms. .FRI...N winds 10 kt, shifting to E to SE in the afternoon. Seas 5 to 7 ft. Period 17 seconds. Scattered showers and isolated tstms. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. Scattered showers and isolated tstms. .SAT...E winds 10 to 15 kt, shifting to SE 15 to 20 kt in the afternoon. Seas 6 to 8 ft. Period 20 seconds. .SAT NIGHT...S winds 15 to 20 kt. Seas 6 to 9 ft. Period 19 seconds. .SUN...S to SW winds 15 to 20 kt. Seas 7 to 10 ft. Period 20 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 7 to 10 ft. Period 19 seconds. .MON...W winds 10 kt. Seas 7 to 10 ft. Period 18 seconds. .MON NIGHT...NW to N winds 10 kt. Seas 7 to 10 ft. Period 17 seconds. $$ PMZ113-100430- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 918 AM PDT Thu Sep 9 2021 .TODAY...Offshore Gulf of Papagayo, variable winds less than 5 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms. .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. Scattered tstms. .FRI NIGHT...Offshore Gulf of Papagayo, S winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, SW winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. Scattered showers and isolated tstms. .SAT...Offshore Gulf of Papagayo, variable winds less than 5 kt, becoming E 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft. Period 19 seconds. .SUN...SW winds 10 to 15 kt. Seas 6 to 9 ft. Period 20 seconds. .SUN NIGHT...Offshore Gulf of Papagayo, SE to S winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, W winds 10 to 15 kt. Seas 6 to 9 ft. Period 19 seconds. .MON...N winds 10 kt. Seas 6 to 8 ft. Period 18 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft. Period 17 seconds. $$ PMZ115-100430- North Costa Rica to West Panama to 250 nm offshore- 918 AM PDT Thu Sep 9 2021 .TODAY...SW winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms. .TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated tstms. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. Scattered tstms. .FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds. Scattered showers and isolated tstms. .SAT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 20 seconds. .SUN...SW to W winds 10 kt. Seas 5 to 7 ft. Period 21 seconds. .SUN NIGHT...W winds 10 kt. Seas 6 to 8 ft. Period 19 seconds. .MON...SW to W winds 10 to 15 kt. Seas 6 to 8 ft. Period 18 seconds. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft. Period 18 seconds. $$ PMZ117-100430- East Panama and Colombia including the Gulf of Panama- 918 AM PDT Thu Sep 9 2021 .TODAY...SW to W winds 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms. .FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 20 seconds. Scattered showers and isolated tstms. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 20 seconds. .SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. .SUN NIGHT...SW to W winds 10 kt. Seas 6 to 9 ft. Period 20 seconds. .MON...SW winds 10 to 15 kt. Seas 6 to 9 ft. Period 18 seconds. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft. Period 18 seconds. $$ PMZ119-100430- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 918 AM PDT Thu Sep 9 2021 .TODAY...SW winds 10 to 15 kt in the afternoon. Seas 3 to 5 ft Gulf of Guayaquil, and 6 to 8 ft Elsewhere. Period 14 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft Gulf of Guayaquil, and 6 to 8 ft Elsewhere. Period 15 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, SW winds 10 kt. Seas 3 to 5 ft Gulf of Guayaquil, and 6 to 8 ft Elsewhere. Period 19 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft Gulf of Guayaquil, and 6 to 8 ft Elsewhere. Period 21 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. .SUN...Gulf of Guayaquil, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 5 to 7 ft Gulf of Guayaquil, and 6 to 9 ft Elsewhere. Period 20 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft. Period 18 seconds. .MON...Gulf of Guayaquil, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 5 to 7 ft Gulf of Guayaquil, and 6 to 9 ft Elsewhere. Period 17 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft Gulf of Guayaquil, and 6 to 9 ft Elsewhere. Period 17 seconds. $$ PMZ121-100430- Ecuador between 250 and 500 nm offshore- 918 AM PDT Thu Sep 9 2021 .TODAY...S winds 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Period 14 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 15 seconds. .FRI...S winds 10 kt. Seas 6 to 8 ft. Period 19 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 18 seconds. .SAT...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 20 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft. Period 20 seconds. .SUN...S winds 10 kt. Seas 6 to 9 ft. Period 19 seconds. .SUN NIGHT...S winds 10 kt. Seas 6 to 9 ft. Period 18 seconds. .MON...S winds 10 to 15 kt. Seas 6 to 9 ft. Period 18 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 17 seconds. $$ PMZ123-100430- Offshore Galapagos Islands- 918 AM PDT Thu Sep 9 2021 .TODAY...SE to S winds 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Period 14 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 18 seconds. .FRI...S winds 10 to 15 kt. Seas 6 to 8 ft. Period 19 seconds. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft Elsewhere, and 4 to 6 ft Lee of Galapagos Islands. Period 19 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 20 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 7 to 10 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 20 seconds. .SUN...SE to S winds 10 kt. Seas 7 to 10 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 19 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 7 to 10 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 19 seconds. .MON...SE to S winds 10 kt. Seas 6 to 9 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 18 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft Elsewhere, and 3 to 5 ft Lee of Galapagos Islands. Period 17 seconds. $$ Forecaster Torres