000 FZPN28 KNHC 231559 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 859 AM PDT Wed Aug 23 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. PMZ101-240400- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 859 AM PDT Wed Aug 23 2023 .SYNOPSIS...An active monsoon trough will continue to support fresh to strong SW winds and rough seas off Costa Rica and Nicaragua through Thu. These winds and seas will diminish Fri as the monsoon trough lifts north of the area. Elsewhere, gentle to moderate winds and moderate seas, primarily in SW swell, will prevail. Looking ahead, an elongated trough of low pressure is located several hundred miles offshore of the coast of Central America and southern Mexico. Environmental conditions appear generally favorable for gradual development of this system, and a tropical depression is likely to form by this weekend while it moves slowly to the northwest or north-northwest. Currently, this system has a low chance of tropical cyclone formation through 48 hours, and a high chance through 7 days. $$ PMZ111-240400- Guatemala and El Salvador to 250 nm offshore- 859 AM PDT Wed Aug 23 2023 .TODAY...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Scattered tstms through the night. .THU...W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms. .THU NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. Scattered showers and isolated tstms through the night. .FRI...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .FRI NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .SAT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SAT NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 12 seconds. $$ PMZ113-240400- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 859 AM PDT Wed Aug 23 2023 .TODAY...Offshore Gulf of Papagayo, E to SE winds 20 to 25 kt, becoming SE to S 10 to 15 kt in the afternoon. Elsewhere, SW winds 20 to 25 kt. Seas 7 to 10 ft in SW swell. Period 14 seconds. Numerous showers and scattered tstms. .TONIGHT...SW to W winds 20 to 25 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. Numerous showers and scattered tstms. .THU...SW to W winds 20 to 25 kt. Seas 7 to 11 ft in SW swell. Period 15 seconds. Numerous showers and scattered tstms. .THU NIGHT...W winds 20 to 25 kt, diminishing to 10 to 15 kt late. Seas 8 to 12 ft in SW swell. Period 15 seconds. Scattered showers and isolated tstms through the night. .FRI...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .FRI NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .SAT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SAT NIGHT...W to NW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN...Variable winds less than 5 kt Offshore Gulf of Papagayo, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 12 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. $$ PMZ115-240400- North Costa Rica to West Panama to 250 nm offshore- 859 AM PDT Wed Aug 23 2023 .TODAY...SW winds 10 to 15 kt Near the Azuero Peninsula, and SW 15 to 20 kt Elsewhere. Seas 7 to 10 ft in SW to W swell. Period 16 seconds. Numerous showers and scattered tstms through the day. .TONIGHT...Near the Azuero Peninsula, W to NW winds 10 to 15 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .THU...Near the Azuero Peninsula, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms through the night. .FRI...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .FRI NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SAT...Variable winds less than 5 kt Near the Azuero Peninsula, and W 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .SAT NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 12 seconds. .SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ117-240400- East Panama and Colombia including the Gulf of Panama- 859 AM PDT Wed Aug 23 2023 .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. .THU...Gulf of Panama, S winds 10 kt, shifting to SW to W in the afternoon. Elsewhere, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Seas 3 to 5 ft. Period 16 seconds. .THU NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .FRI...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI NIGHT...W winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 2 to 4 ft. Period 12 seconds. .SAT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 2 to 4 ft. Period 13 seconds. .SAT NIGHT...SW winds 10 kt. Seas 2 to 4 ft. Period 12 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ119-240400- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 859 AM PDT Wed Aug 23 2023 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .TONIGHT...Gulf of Guayaquil, SW to W winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .THU...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .FRI...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ121-240400- Ecuador between 250 and 500 nm offshore- 859 AM PDT Wed Aug 23 2023 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TONIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .THU...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ123-240400- Offshore Galapagos Islands- 859 AM PDT Wed Aug 23 2023 .TODAY...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .THU...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .SAT...SE winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SUN...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. $$ Forecaster GR