Offshore Forecast
Issued by NWS
Issued by NWS
770 FZPN28 KNHC 240318 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 818 PM PDT Mon Sep 23 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. PMZ101-241530- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 818 PM PDT Mon Sep 23 2024 .SYNOPSIS...Moderate to fresh southwest winds will continue in the wake of major Hurricane John off the coast of Central America through north of Guatemala through Wed night. West to northwest swell will propagate generally eastward in the wake of John, through the waters of Guatemala tonight, expanding farther east toward El Salvador on Tue, and toward Nicaragua Wed. Periods of strong convection will also occur over most of the Central America offshore waters through at least mid- week. $$ PMZ111-241530- Guatemala and El Salvador to 250 nm offshore- 818 PM PDT Mon Sep 23 2024 .TONIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in W swell. Period 9 seconds. Winds and seas higher in and near scattered to numerous showers and thunderstorms. TUE...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in W swell. Period 9 seconds. Scattered showers and thunderstorms. .TUE NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in W swell. Period 9 seconds. Scattered showers and isolated thunderstorms. .WED...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W swell. Period 10 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W swell. Period 10 seconds. .THU...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .THU NIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .FRI...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .FRI NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .SAT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W swell. Period 10 seconds. .SAT NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft in W swell. Period 10 seconds. $$ PMZ113-241530- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 818 PM PDT Mon Sep 23 2024 .TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. Winds and seas higher in and near scattered showers and thunderstorms. .TUE...SW to W winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. Scattered showers and thunderstorms. .TUE NIGHT...SW to W winds 15 kt. Seas 6 to 8 ft in W swell. Period 9 seconds. Scattered showers and isolated thunderstorms. .WED...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in W swell. Period 9 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft in W to NW swell. Period 10 seconds. .THU...W winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 10 seconds. .THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 10 seconds. .FRI...W winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 10 seconds. .FRI NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 9 seconds. .SAT...W to NW winds 10 kt. Seas 6 to 8 ft in W to NW swell. Period 10 seconds. .SAT NIGHT...W winds 10 kt. Seas 6 to 8 ft in W to NW swell. Period 10 seconds. $$ PMZ115-241530- North Costa Rica to West Panama to 250 nm offshore- 818 PM PDT Mon Sep 23 2024 .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. Winds and seas higher in and near scattered showers and thunderstorms. .TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 12 seconds. Scattered showers and thunderstorms. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .WED...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .WED NIGHT...W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 11 seconds. .THU...W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 11 seconds. .THU NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in W swell. Period 11 seconds. .FRI...W winds 10 kt. Seas 4 to 6 ft in W swell. Period 10 seconds. .FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 10 seconds. .SAT...W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 10 seconds. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. $$ PMZ117-241530- East Panama and Colombia including the Gulf of Panama- 818 PM PDT Mon Sep 23 2024 .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms N of 05N. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and isolated thunderstorms N of 05N. .TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered to numerous showers and thunderstorms. .WED NIGHT...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 12 seconds. .THU...SW winds 10 kt. Seas 3 to 5 ft in S t SW swell. Period 11 seconds. .THU NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 10 seconds. .SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. $$ PMZ119-241530- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 818 PM PDT Mon Sep 23 2024 .TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TUE...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 to 15 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .WED...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .THU...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .THU NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. $$ PMZ121-241530- Ecuador between 250 and 500 nm offshore- 818 PM PDT Mon Sep 23 2024 .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TUE...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .WED...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .THU...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. $$ PMZ123-241530- Offshore Galapagos Islands- 818 PM PDT Mon Sep 23 2024 .TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 11 seconds. .THU...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 10 seconds. .THU NIGHT...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 12 seconds. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. $$ Forecaster Aguirre