FZPN28 KNHC 170313 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 813 PM PDT Fri Oct 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. PMZ101-171515- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 813 PM PDT Fri Oct 16 2026 .SYNOPSIS...A strong early-season Tehuantepecer gap wind event will cause fresh to locally strong NE winds over the W portion of the Guatemala and El Salvador zone Sat night and Sun. Large to very large seas from mixed NW swell from the Tehuantepecer and SW swell from the Southern Hemisphere will also impact this zone from Sat night through Tue night. Large SW swell is impacting the equatorial zones now through Sat night. Finally, scattered showers and isolated thunderstorms will continue to impact the offshore waters from Guatemala through Colombia over at least the next two days. $$ PMZ111-171515- Guatemala and El Salvador to 250 nm offshore- 813 PM PDT Fri Oct 16 2026 .TONIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated tstms through the night. .SAT...N to NE winds 10 kt, shifting to W to NW 15 to 20 kt in the afternoon. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...NE to E winds 15 to 20 kt. Seas 9 to 14 ft in SW to W swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SUN...NE to E winds 15 to 20 kt. Seas 10 to 15 ft in NW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 7 to 11 ft in NW swell. Period 12 seconds. .MON...E winds 10 to 15 kt. Seas 7 to 10 ft in NW swell. Period 12 seconds. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 12 seconds. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 12 seconds. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .WED...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. .WED NIGHT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. $$ PMZ113-171515- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 813 PM PDT Fri Oct 16 2026 .TONIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...Offshore Gulf of Papagayo, E winds 10 kt. Elsewhere, variable winds less than 5 kt, becoming N to NE 10 kt late. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SUN...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SW to W swell. Period 12 seconds. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft in W swell. Period 12 seconds. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 12 seconds. .TUE...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .WED...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds.$$ PMZ115-171515- North Costa Rica to West Panama to 250 nm offshore- 813 PM PDT Fri Oct 16 2026 .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .SAT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SUN...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and S to SW 10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 13 seconds. .MON...Variable winds less than 5 kt Near the Azuero Peninsula, and S 10 kt Elsewhere. Seas 5 to 7 ft in SW to W swell. Period 12 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in W swell. Period 12 seconds. .TUE...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in SW to W swell. Period 12 seconds. .TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 12 seconds. .WED...W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. $$ PMZ117-171515- East Panama and Colombia including the Gulf of Panama- 813 PM PDT Fri Oct 16 2026 .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. Scattered tstms. .SAT...S to SW winds 10 kt, shifting to W in the afternoon. Seas 5 to 7 ft in SW swell. Period 17 seconds. Numerous showers and scattered tstms through the day. .SAT NIGHT...Gulf of Panama, W winds 10 kt in the evening. Variable winds less than 5 kt late. Elsewhere, variable winds less than 5 kt in the evening. Seas 5 to 7 ft in SW swell. Period 16 seconds. .SUN...Variable winds less than 5 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .MON...NE to E winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 14 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .WED...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .WED NIGHT...SW to W winds 10 kt Gulf of Panama, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 14 seconds. $$ PMZ119-171515- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 813 PM PDT Fri Oct 16 2026 .TONIGHT...Gulf of Guayaquil, SW to W winds 10 kt early in the evening, becoming variable winds less than 5 kt. Elsewhere, S winds 10 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SAT...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, SE to S winds 10 kt, shifting to SW to W in the afternoon. Seas 6 to 8 ft in SW swell. Period 16 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .SUN...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .MON...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. $$ PMZ121-171515- Ecuador between 250 and 500 nm offshore- 813 PM PDT Fri Oct 16 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .SAT...S winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .SUN...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 14 seconds. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ PMZ123-171515- Offshore Galapagos Islands- 813 PM PDT Fri Oct 16 2026 .TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. .SAT...SE to S winds 10 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SUN...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 15 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .MON...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 12 seconds. .TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 12 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 13 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. $$ Forecaster Delgado