148 FZPN28 KNHC 161947 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 1247 PM PDT Thu Apr 16 2026 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. PMZ101-170800- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 1247 PM PDT Thu Apr 16 2026 .SYNOPSIS...Winds are expected to pule to fresh speeds late at night and into the mornings beginning next week. Convection occurring near the Galapagos Islands should last into Sat. Elsewhere, expect for rather tranquil conditions to remain over the Central American and the equatorial waters beginning tonight and into early next week. $$ PMZ111-170800- Guatemala and El Salvador to 250 nm offshore- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...SW winds 10 kt, shifting to NW late. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .FRI...N to NE winds 10 kt, shifting to S in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Isolated showers. .FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. Isolated showers. .SAT...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. Isolated showers. .SUN...N to NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SUN NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .MON...E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .MON NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ113-170800- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Isolated showers. .FRI...Offshore Gulf of Papagayo, NE to E winds 20 kt, diminishing to 10 kt in the afternoon. Elsewhere, NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Isolated showers. .FRI NIGHT...Offshore Gulf of Papagayo, SE to S winds 10 kt, shifting to NE to E late. Elsewhere, E to SE winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Isolated showers. .SAT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .SUN...NE winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .MON...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 14 seconds. .MON NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. $$ PMZ115-170800- North Costa Rica to West Panama to 250 nm offshore- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated thunderstorms S of 08N. .FRI...E to SE winds 10 kt, shifting to S to SW in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated thunderstorms S of 08N. .FRI NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and S 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Isolated showers. .SAT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Isolated showers. .SAT NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and S 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN...E winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .MON...NE to E winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TUE...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ117-170800- East Panama and Colombia including the Gulf of Panama- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...N to NE winds 15 to 20 kt Gulf of Panama, and NE 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Isolated showers. .FRI...NE to E winds 10 to 15 kt, shifting to NW to N in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Isolated showers. .SAT...E to SE winds 10 kt, shifting to W to NW in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...NE to E winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Isolated showers. .SUN...NE winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .SUN NIGHT...N to NE winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .MON...N to NE winds 10 to 15 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .MON NIGHT...N to NE winds 10 to 15 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...N to NE winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ119-170800- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .FRI...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .SAT...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SAT NIGHT...Variable winds less than 5 kt Gulf of Guayaquil, and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN NIGHT...SW winds 10 kt Gulf of Guayaquil, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .MON...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .TUE...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ121-170800- Ecuador between 250 and 500 nm offshore- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. Winds and seas higher in and near scattered showers and thunderstorms. .FRI...E winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers through the day. .FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers through the night. .SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered showers through the day. .SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .TUE...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ123-170800- Offshore Galapagos Islands- 1247 PM PDT Thu Apr 16 2026 .TONIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Winds and seas higher in and near scattered showers and isolated thunderstorms. .FRI...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated thunderstorms. .SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. $$ Forecaster Aguirre