FZPN28 KNHC 191536 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 836 AM PDT Tue May 19 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. PMZ101-200345- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 836 AM PDT Tue May 19 2026 .SYNOPSIS...Fresh to occasionally strong winds will pulse across the Papagayo region, mainly in overnight and early morning hours, through Thu morning. Elsewhere, gentle to moderate winds along with moderate seas in southerly swell are expected through the end of the week. $$ PMZ111-200345- Guatemala and El Salvador to 250 nm offshore- 836 AM PDT Tue May 19 2026 .TODAY...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms through the night. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. Isolated tstms through the day. .WED NIGHT...SE winds 10 to 15 kt, shifting to N to NE late. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .THU...N to NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .THU NIGHT...N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ113-200345- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 836 AM PDT Tue May 19 2026 .TODAY...E winds 15 to 20 kt. Seas 5 to 7 ft in SE to S swell. Period 17 seconds. .TONIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and SE 15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .WED...NE winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 16 seconds. Scattered showers and isolated tstms through the day. .WED NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and E 10 to 15 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. .THU NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...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. .SAT NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and SE 10 kt Elsewhere. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ115-200345- North Costa Rica to West Panama to 250 nm offshore- 836 AM PDT Tue May 19 2026 .TODAY...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 17 seconds. .TONIGHT...Near the Azuero Peninsula, variable winds less than 5 kt, becoming NE 10 kt late. Elsewhere, variable winds less than 5 kt. Seas 2 to 4 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .WED...Near the Azuero Peninsula, N winds 10 kt in the morning, becoming variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Seas 2 to 4 ft. Period 16 seconds. Scattered showers and isolated tstms through the day. .WED NIGHT...Variable winds less than 5 kt, becoming SW 10 kt late. Seas 2 to 4 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .THU...S to SW winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .FRI...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 14 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 13 seconds. .SAT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 14 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. $$ PMZ117-200345- East Panama and Colombia including the Gulf of Panama- 836 AM PDT Tue May 19 2026 .TODAY...Gulf of Panama, NE to E winds 10 kt in the morning, becoming variable winds less than 5 kt. Elsewhere, S winds 10 kt, shifting to W in the afternoon. Seas 2 to 4 ft. Period 17 seconds. .TONIGHT...SW winds 10 kt. Seas 2 to 4 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .WED...SW to W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. Scattered showers and isolated tstms through the day. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Period 15 seconds. Scattered tstms through the night. .THU...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .THU NIGHT...Variable winds less than 5 kt Gulf of Panama, and S 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. .FRI...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. .FRI NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .SAT...SW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .SAT NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 2 to 4 ft. Period 15 seconds. $$ PMZ119-200345- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 836 AM PDT Tue May 19 2026 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .WED...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 to 15 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .THU...S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .THU NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SAT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ PMZ121-200345- Ecuador between 250 and 500 nm offshore- 836 AM PDT Tue May 19 2026 .TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .WED...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .WED NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 14 seconds. .FRI...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ PMZ123-200345- Offshore Galapagos Islands- 836 AM PDT Tue May 19 2026 .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 16 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 15 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .FRI...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 15 seconds. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 14 seconds. $$ Forecaster Stripling