FZPN28 KNHC 200943 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 243 AM PDT Wed May 20 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. PMZ101-202145- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 243 AM PDT Wed May 20 2026 .SYNOPSIS...Fresh to occasionally strong winds will pulse across the Papagayo region, mainly in the overnight and early morning hours through Thu morning, then diminish through Sat. Elsewhere, gentle to moderate winds along with moderate seas in southerly swell are expected through the end of the week. $$ PMZ111-202145- Guatemala and El Salvador to 250 nm offshore- 243 AM PDT Wed May 20 2026 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. Areas of smoke. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 16 seconds. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .THU NIGHT...N to NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...SE winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .SUN...NE to E winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .SUN NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. $$ PMZ113-202145- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 243 AM PDT Wed May 20 2026 .TODAY...NE winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 16 seconds. .TONIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. .THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...SE winds diminishing to 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .SUN...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .SUN NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. $$ PMZ115-202145- North Costa Rica to West Panama to 250 nm offshore- 243 AM PDT Wed May 20 2026 .TODAY...SW winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...Near the Azuero Peninsula, variable winds less than 5 kt. Elsewhere, SW to W winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .THU...Near the Azuero Peninsula, variable winds less than 5 kt, becoming E to SE 10 kt in the afternoon. Elsewhere, S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...Near the Azuero Peninsula, SE to S winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .FRI...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 12 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 12 seconds. .SAT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 12 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. .SUN...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 16 seconds. .SUN NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. $$ PMZ117-202145- East Panama and Colombia including the Gulf of Panama- 243 AM PDT Wed May 20 2026 .TODAY...S to SW winds 10 kt, shifting to W in the afternoon. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .THU...SE winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...Gulf of Panama, SE winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt, becoming S to SW 10 kt late. Seas 3 to 5 ft. Period 15 seconds. .FRI...Variable winds less than 5 kt Gulf of Panama, and SW to W 10 kt Elsewhere. Seas 2 to 4 ft. Period 14 seconds. .FRI NIGHT...SW to 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...SW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .SUN...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds. .SUN NIGHT...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds. $$ PMZ119-202145- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 243 AM PDT Wed May 20 2026 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .THU...Gulf of Guayaquil, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .THU NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .FRI...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SAT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .SUN...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. $$ PMZ121-202145- Ecuador between 250 and 500 nm offshore- 243 AM PDT Wed May 20 2026 .TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE to S swell. Period 15 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .FRI...S winds 10 kt. Seas 4 to 6 ft in S swell. 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 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .SUN NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. $$ PMZ123-202145- Offshore Galapagos Islands- 243 AM PDT Wed May 20 2026 .TODAY...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 15 seconds. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 15 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in W swell. Period 13 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 15 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 14 seconds. .SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SW to W swell. Period 15 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SW to W swell. Period 14 seconds. $$ Forecaster Christensen