926 FZPN28 KNHC 191447 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 747 AM PDT Thu Oct 19 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. PMZ101-200300- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 747 AM PDT Thu Oct 19 2023 .SYNOPSIS...Gentle to moderate winds over and downstream of Papagayo will diminish today, with light to gentle winds then prevailing north of the monsoon trough through the weekend. Gentle to moderate winds will prevail south of the monsoon trough. Seas may build slightly in SW swell offshore Ecuador to the Galapagos Islands by the end of the week into the weekend, then build slightly across the waters from W to E by the end of the weekend as NW swell arrives. Meanwhile, shower and thunderstorm activity has increased since yesterday in association with a broad area of low pres located several hundred nautical miles S of the Gulf of Tehuantepec. Gradual development is expected, and a tropical depression is likely to form during the next few days while the system meanders or drifts generally N over the far eastern portion of the basin. This system has a medium chance of tropical cyclone formation through 48 hours, and a high chance through 7 days. $$ PMZ111-200300- Guatemala and El Salvador to 250 nm offshore- 747 AM PDT Thu Oct 19 2023 .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 17 seconds. .TONIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...E to SE winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...SE to S winds 10 kt, shifting to NE to E late. Seas 6 to 8 ft in SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .SAT...E to SE winds 10 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. .SAT NIGHT...SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SUN...SE winds 10 kt. Seas 6 to 8 ft in W swell. Period 16 seconds. .SUN NIGHT...SE winds 10 kt. Seas 6 to 8 ft in W swell. Period 16 seconds. .MON...SE winds 10 kt. Seas 5 to 7 ft in W swell. Period 15 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in W swell. Period 14 seconds. $$ PMZ113-200300- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 747 AM PDT Thu Oct 19 2023 .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...Offshore Gulf of Papagayo, SE winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S winds 10 kt, shifting to SW to W late. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...NW winds 10 kt, shifting to S to SW in the afternoon. Seas 4 to 6 ft in SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and SW to W 10 to 15 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 17 seconds. Scattered tstms. .SAT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and W 10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 16 seconds. .SAT NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .SUN...NE winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. .SUN NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW to W swell. Period 16 seconds. .MON...SE winds 10 kt. Seas 5 to 7 ft in W swell. Period 16 seconds. .MON NIGHT...S winds 10 kt. Seas 4 to 6 ft in W swell. Period 16 seconds. $$ PMZ115-200300- North Costa Rica to West Panama to 250 nm offshore- 747 AM PDT Thu Oct 19 2023 .TODAY...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW to W winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. Scattered showers and isolated tstms. .FRI...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Numerous showers and scattered tstms. .FRI NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Numerous showers and scattered tstms. .SAT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .SUN...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. .SUN NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 17 seconds. .MON...S to SW winds 10 kt. Seas 4 to 6 ft in W swell. Period 16 seconds. .MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in W swell. Period 15 seconds. $$ PMZ117-200300- East Panama and Colombia including the Gulf of Panama- 747 AM PDT Thu Oct 19 2023 .TODAY...Gulf of Panama, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered tstms through the night. .FRI...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Numerous showers and scattered tstms through the day. .FRI NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. Numerous showers and scattered tstms through the night. .SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .SAT NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .SUN...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .SUN NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .MON...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .MON NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ PMZ119-200300- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 747 AM PDT Thu Oct 19 2023 .TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. .SAT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .SUN...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. $$ PMZ121-200300- Ecuador between 250 and 500 nm offshore- 747 AM PDT Thu Oct 19 2023 .TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .FRI NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. $$ PMZ123-200300- Offshore Galapagos Islands- 747 AM PDT Thu Oct 19 2023 .TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 18 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .SAT...S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 19 seconds. .SAT NIGHT...S winds 10 kt. Seas 5 to 7 ft in W swell, except 2 to 4 ft Lee of Galapagos Islands. Period 18 seconds. .SUN...S winds 10 kt. Seas 5 to 7 ft in W to NW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 16 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in W to NW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 15 seconds. $$ Forecaster Lewitsky