799 FZPN28 KNHC 161637 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 937 AM PDT Sun Aug 16 2020 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. PMZ101-170445- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 937 AM PDT Sun Aug 16 2020 .SYNOPSIS... Tropical Depression Twelve-E near 11.3N 97.3W 1005 mb at 8 AM PDT moving WNW at 16 kt. Maximum sustained winds 30 kt gusts 40 kt. Twelve-E will strengthen to a tropical storm near 11.9N 99.5W this evening, move to 12.9N 102.4W Mon morning, strengthen to a hurricane near 14.3N 105.1W Mon evening, 15.9N 107.4W Tue morning, 17.5N 109.3W Tue evening, and 19.2N 111.0W Wed morning. Twelve-E will change little in intensity as it moves to the NW through the week. Moderate to fresh S to SW winds will prevail over the remainder offshore zones south of the monsoon with seas to 9 ft. $$ PMZ111-170445- Guatemala and El Salvador to 250 nm offshore- 937 AM PDT Sun Aug 16 2020 .TODAY...S winds 15 to 20 kt in the afternoon. Seas 6 to 9 ft. Period 14 seconds. Scattered showers and isolated tstms. .TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft. Period 13 seconds. Scattered showers and isolated tstms. .MON...NW winds 10 kt. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated tstms. .MON NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft. Period 16 seconds. .WED...N to NE winds 10 kt, shifting to E in the afternoon. Seas 4 to 6 ft. Period 16 seconds. .WED NIGHT...SE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft. Period 16 seconds. .THU...SE winds 10 kt. Seas 4 to 6 ft. Period 16 seconds. $$ PMZ113-170445- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 937 AM PDT Sun Aug 16 2020 .TODAY...W to NW winds 10 kt in the afternoon. Seas 6 to 8 ft. Period 12 seconds. Scattered showers and isolated tstms. .TONIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated tstms. .MON NIGHT...N winds 10 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated tstms. .TUE...Offshore Gulf of Papagayo, NE to E winds 10 to 15 kt in the morning, becoming variable less than 5 kt. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. Scattered tstms. .TUE NIGHT...N to NE winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .WED...Offshore Gulf of Papagayo, variable less than 5 kt. E winds 10 kt in the morning. Elsewhere, SE in the afternoon. Seas 4 to 6 ft. Period 16 seconds. .WED NIGHT...Offshore Gulf of Papagayo, variable winds less than 5 kt, becoming SE 10 kt late. Elsewhere, S winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. .THU...Variable winds less than 5 kt Offshore Gulf of Papagayo, and S to SW 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period 16 seconds. $$ PMZ115-170445- North Costa Rica to West Panama to 250 nm offshore- 937 AM PDT Sun Aug 16 2020 .TODAY...W winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated tstms. .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .MON...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms. .MON NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .TUE...SW to W winds 10 to 15 kt Near the Azuero Peninsula, and SW 15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 15 seconds. Scattered tstms. .TUE NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. .WED...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 18 seconds. .WED NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 17 seconds. .THU...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 19 seconds. $$ PMZ117-170445- East Panama and Colombia including the Gulf of Panama- 937 AM PDT Sun Aug 16 2020 .TODAY...SW to W winds 10 kt in the afternoon. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .TONIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. Scattered showers and isolated tstms. .MON...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. Scattered showers and isolated tstms. .MON NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 19 seconds. Scattered tstms. .TUE...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. Numerous showers and scattered tstms. .TUE NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .WED...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .WED NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .THU...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. $$ PMZ119-170445- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 937 AM PDT Sun Aug 16 2020 .TODAY...SW winds 10 to 15 kt in the afternoon. Seas 3 ft or less Gulf of Guayaquil, and 4 to 6 ft Elsewhere. Period 17 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 2 to 4 ft Gulf of Guayaquil, and 4 to 6 ft Elsewhere. Period 16 seconds. .MON...S to SW winds 10 to 15 kt. Seas 3 ft or less Gulf of Guayaquil, and 4 to 6 ft Elsewhere. Period 18 seconds. .MON NIGHT...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 18 seconds. .TUE...S to SW winds 15 to 20 kt. Seas 3 to 5 ft Gulf of Guayaquil, and 5 to 7 ft Elsewhere. Period 18 seconds. .TUE NIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .WED...Gulf of Guayaquil, W winds 10 to 15 kt. Seas 3 to 5 ft. Elsewhere, S to SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 18 seconds. .WED NIGHT...Gulf of Guayaquil, W winds 10 to 15 kt. Seas 3 to 5 ft. Elsewhere, S to SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 19 seconds. .THU...Gulf of Guayaquil, W to NW winds 10 to 15 kt. Seas 3 to 5 ft. Elsewhere, S to SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 18 seconds. $$ PMZ121-170445- Ecuador between 250 and 500 nm offshore- 937 AM PDT Sun Aug 16 2020 .TODAY...S winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Period 14 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 13 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .TUE...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 17 seconds. .TUE NIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .WED...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 17 seconds. .WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds. .THU...S winds 10 to 15 kt. Seas 5 to 7 ft. Period 18 seconds. $$ PMZ123-170445- Offshore Galapagos Islands- 937 AM PDT Sun Aug 16 2020 .TODAY...SE winds 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Period 17 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Period 17 seconds. .MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 18 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period 17 seconds. .TUE NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. .WED...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period 17 seconds. .WED NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period 19 seconds. .THU...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Period 19 seconds. $$ Forecaster ERA