171 FZPN28 KNHC 120254 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 754 PM PDT Fri Aug 11 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. PMZ101-121500- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 754 PM PDT Fri Aug 11 2023 .SYNOPSIS...Offshore winds will pulse to moderate to fresh at night into the early morning hours in the Papagayo region through early next week. Elsewhere, gentle to moderate winds and mainly moderate seas will prevail through Sun night. Looking ahead, an area of low pressure is forecast to form offshore Central America and the southern coast of Mexico in a couple of days. Environmental conditions are expected to be conducive for development of this system, and a tropical depression is likely to form during the early or middle part of next week while it moves generally west-northwestward, roughly parallel to the coast of southern and southwestern Mexico. Expect increasing winds, seas, and unsettled weather during this time, mainly across the outer offshore waters from northern Costa Rica to Guatemala. $$ PMZ111-121500- Guatemala and El Salvador to 250 nm offshore- 754 PM PDT Fri Aug 11 2023 .TONIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 to 5 ft in S to SW swell. Period 17 seconds. Isolated showers and thunderstorms. .SAT...NW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 19 seconds. Isolated showers and thunderstorms. .SAT NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 19 seconds. Scattered showers and isolated thunderstorms. .SUN...NW to N winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. .MON...E winds 20 to 25 kt. Seas 6 to 8 ft. Period 13 seconds. .MON NIGHT...SE winds 25 to 30 kt. Seas 7 to 11 ft in SE swell. Period 13 seconds. .TUE...SE winds 25 to 30 kt. Seas 7 to 11 ft in SE to S swell. Period 11 seconds. .TUE NIGHT...SE winds 20 to 25 kt. Seas 7 to 11 ft in S to SW swell. Period 11 seconds. .WED...SE winds 15 to 20 kt. Seas 7 to 11 ft in SW swell. Period 12 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in SW swell. Period 12 seconds. $$ PMZ113-121500- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 754 PM PDT Fri Aug 11 2023 .TONIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and NE to E 10 kt Elsewhere. Seas 3 to 5 ft. Period 17 seconds. .SAT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds. .SAT NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and NE 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 19 seconds. Scattered showers and isolated thunderstorms. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. .MON...SE winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period 13 seconds. .MON NIGHT...SE to S winds 15 to 20 kt. Seas 7 to 11 ft in S to SW swell. Period 13 seconds. .TUE...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 13 seconds. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .WED...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. .WED NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. $$ PMZ115-121500- North Costa Rica to West Panama to 250 nm offshore- 754 PM PDT Fri Aug 11 2023 .TONIGHT...SW to W winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 17 seconds. Winds and seas higher in and near numerous showers and thunderstorms. .SAT...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SE 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds. Numerous showers and scattered thunderstorms through the day. .SAT NIGHT...Near the Azuero Peninsula, S to SW winds 10 to 15 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 19 seconds. Scattered showers and thunderstorms. .SUN...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SE to S 10 kt in the afternoon. Elsewhere, S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...NW winds 10 kt Near the Azuero Peninsula, and S 15 to 20 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .MON...Variable winds less than 5 kt Near the Azuero Peninsula, and S 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. .MON NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .TUE...W to NW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .TUE NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .WED...W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 13 seconds. $$ PMZ117-121500- East Panama and Colombia including the Gulf of Panama- 754 PM PDT Fri Aug 11 2023 .TONIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. Winds and seas higher in and near scattered showers and thunderstorms N of 06N. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds. Scattered showers and thunderstorms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds. Scattered showers and isolated thunderstorms. .SUN...Gulf of Panama, variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Elsewhere, S winds 10 to 15 kt, shifting to SW to W in the afternoon. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated thunderstorms. .SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON...Variable winds less than 5 kt Gulf of Panama, and SW 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .TUE...SW to W winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. .WED...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. $$ PMZ119-121500- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 754 PM PDT Fri Aug 11 2023 .TONIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 19 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds. .SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .MON...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .MON NIGHT...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .TUE...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .WED...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. $$ PMZ121-121500- Ecuador between 250 and 500 nm offshore- 754 PM PDT Fri Aug 11 2023 .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .WED...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. $$ PMZ123-121500- Offshore Galapagos Islands- 754 PM PDT Fri Aug 11 2023 .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TUE...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .WED NIGHT...SE winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 11 seconds. $$ Forecaster Aguirre