Offshore Forecast
Issued by NWS
Issued by NWS
542 FZPN28 KNHC 212033 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 133 PM PDT Sat Sep 21 2024 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. PMZ101-220845- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 133 PM PDT Sat Sep 21 2024 .SYNOPSIS...Moderate to fresh southwest to west winds south of the monsoon trough will change little through the weekend, then increase to fresh to near gale force speeds across the offshore waters from Costa Rica to Guatemala late Mon through Wed night. Seas will build during this time in mixed swell. The monsoonal flow is expected to become very active, and dominate the region through next week. This pattern will generate increasing westerly wind waves moving into the area waters. Periods of very active weather are also expected across the Central America offshore waters through at least mid week. $$ PMZ111-220845- Guatemala and El Salvador to 250 nm offshore- 133 PM PDT Sat Sep 21 2024 .TONIGHT...W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 12 seconds. Scattered showers and isolated tstms through the night. .SUN...W to NW winds 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. Period 14 seconds. Numerous showers and scattered tstms through the day. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. Numerous showers and scattered tstms. .MON...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 18 seconds. Numerous showers and scattered tstms through the day. .MON NIGHT...SW to W winds 20 to 25 kt. Seas 7 to 11 ft in SW to W swell. Period 14 seconds. .TUE...SW to W winds 20 to 25 kt. Seas 8 to 12 ft in SW to W swell. Period 13 seconds. .TUE NIGHT...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in SW to W swell. Period 8 seconds. .WED...SW winds 20 to 25 kt. Seas 9 to 13 ft in SW to W swell. Period 10 seconds. .WED NIGHT...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in W swell. Period 10 seconds. .THU...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W swell. Period 10 seconds. .THU NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in W swell. Period 11 seconds. $$ PMZ113-220845- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 133 PM PDT Sat Sep 21 2024 .TONIGHT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and W 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and isolated tstms through the night. .SUN...SW to W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 7 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. Scattered showers and isolated tstms through the night. .MON...SW to W winds 10 kt Offshore Gulf of Papagayo, and SW to W 15 to 20 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 18 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW to W swell. Period 14 seconds. .TUE...SW winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell. Period 10 seconds. .TUE NIGHT...SW winds 20 to 25 kt. Seas 7 to 11 ft in W swell. Period 8 seconds. .WED...SW winds 20 to 25 kt. Seas 8 to 12 ft in W swell. Period 8 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .THU...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in W swell. Period 10 seconds. $$ PMZ115-220845- North Costa Rica to West Panama to 250 nm offshore- 133 PM PDT Sat Sep 21 2024 .TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 7 seconds. Scattered showers and isolated tstms through the night. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the day. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered tstms through the night. .MON...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. Numerous showers and scattered tstms through the day. .MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 11 seconds. .TUE...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 11 seconds. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 10 seconds. .WED...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .WED NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .THU...SW to W winds 10 kt. Seas 5 to 7 ft in SW to W swell. Period 11 seconds. .THU NIGHT...W winds 10 kt. Seas 4 to 6 ft in W swell. Period 11 seconds. $$ PMZ117-220845- East Panama and Colombia including the Gulf of Panama- 133 PM PDT Sat Sep 21 2024 .TONIGHT...SW winds 15 to 20 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. Isolated tstms through the night. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Isolated tstms through the day. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .TUE NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .THU...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .THU NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. $$ PMZ119-220845- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 133 PM PDT Sat Sep 21 2024 .TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .WED NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .THU...S to SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ121-220845- Ecuador between 250 and 500 nm offshore- 133 PM PDT Sat Sep 21 2024 .TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON...S 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 11 seconds. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .THU...SE to S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .THU NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. $$ PMZ123-220845- Offshore Galapagos Islands- 133 PM PDT Sat Sep 21 2024 .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .WED...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. $$ Forecaster ERA