000 FZPN28 KNHC 191659 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 959 AM PDT Thu Sep 19 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. PMZ101-200500- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 959 AM PDT Thu Sep 19 2024 .SYNOPSIS...Gentle to moderate SW to W winds south of the monsoon trough near 11N will begin to freshen offshore this afternoon through Sat. Seas will build during this time in a mix of SW swell and westerly wind swell. North of 11N, moderate or weaker winds are expected through Thu evening before the monsoon trough begins to lift northward, and winds shift to westerly and gradually increase to gentle to moderate by Sat. The monsoonal flow is expected to become very active, and dominate the region Fri into early next week. This pattern will generate increasing westerly wind waves moving into the area waters. Periods of very active weather are also expected across area waters N of 06N through the weekend. $$ PMZ111-200500- Guatemala and El Salvador to 250 nm offshore- 959 AM PDT Thu Sep 19 2024 .TODAY...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated thunderstormsthrough the day. .TONIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 14 seconds. Numerous showers and scattered thunderstorms through the night. .FRI...NW to N winds 10 to 15 kt, shifting to SW to W in the afternoon. Seas 6 to 8 ft in S to SW swell. Period 8 seconds. Scattered showers and isolated thunderstorms through the day. .FRI NIGHT...SW winds 10 to 15 kt, shifting to NW late. Seas 5 to 7 ft in S to SW swell. Period 8 seconds. Scattered showers and isolated thunderstorms through the night. .SAT...W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 7 seconds. .SAT NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 7 seconds. .SUN...W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 7 seconds. .SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 7 seconds. .MON...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 12 seconds. .MON NIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell. Period 12 seconds. $$ PMZ113-200500- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 959 AM PDT Thu Sep 19 2024 .TODAY...Offshore Gulf of Papagayo, variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Elsewhere, SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds. Scattered thunderstorms. .TONIGHT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and W 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds. Numerous showers and scattered thunderstorms. .FRI...Offshore Gulf of Papagayo, NE winds 10 kt in the morning, becoming variable winds less than 5 kt. Elsewhere, NW to N winds 15 to 20 kt, shifting to W 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Period 8 seconds. Numerous showers and scattered thunderstorms through the day. .FRI NIGHT...Variable winds less than 5 kt Offshore Gulf of Papagayo, and W 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 8 seconds. Scattered showers and isolated thunderstorms through the night. .SAT...SE to S winds 10 kt Offshore Gulf of Papagayo, and SW to W 15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 7 seconds. .SAT NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 7 seconds. .SUN...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 7 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 7 seconds. .MON...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 7 seconds. .MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. Period 7 seconds. $$ PMZ115-200500- North Costa Rica to West Panama to 250 nm offshore- 959 AM PDT Thu Sep 19 2024 .TODAY...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. Numerous showers and scattered thunderstorms through the day. .TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. Numerous showers and scattered thunderstorms through the night. .FRI...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. Scattered thunderstorms through the day. .FRI NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 7 seconds. Scattered showers and isolated thunderstorms through the night. .SAT...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 6 seconds. .SAT NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 6 seconds. .SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 12 seconds. .MON...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 11 seconds. $$ PMZ117-200500- East Panama and Colombia including the Gulf of Panama- 959 AM PDT Thu Sep 19 2024 .TODAY...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Numerous showers and scattered thunderstorms through the day. .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Numerous showers and scattered thunderstorms through the night. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms through the day. .FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. Scattered thunderstorms through the night. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 7 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 11 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 11 seconds. $$ PMZ119-200500- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 959 AM PDT Thu Sep 19 2024 .TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .TONIGHT...Gulf of Guayaquil, SW to W winds 10 to 15 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI NIGHT...Gulf of Guayaquil, SW to W winds 10 to 15 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 12 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 11 seconds. $$ PMZ121-200500- Ecuador between 250 and 500 nm offshore- 959 AM PDT Thu Sep 19 2024 .TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. .SAT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. .SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 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 5 to 7 ft in S swell. Period 12 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 11 seconds. $$ PMZ123-200500- Offshore Galapagos Islands- 959 AM PDT Thu Sep 19 2024 .TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 10 seconds. .SAT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 11 seconds. .SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 11 seconds. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 11 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 11 seconds. $$ Forecaster Aguirre