{"schema_version":"1.0","generated_at":"2026-10-14T17:11:44.355Z","generated_at_note":"Response generation time; source update times are recorded separately.","timezone":"America/Chicago","local_today":"2026-10-14","lake":{"name":"Grapevine Lake","slug":"grapevine","latitude":32.97262573,"longitude":-97.05639648,"region":"Prairies & Lakes","url":"https://www.txfishingreports.com/lake/grapevine"},"requested_date":null,"availability":"available","available_dates":["2026-10-14","2026-10-15","2026-10-16","2026-10-17","2026-10-18"],"forecasts":[{"date":"2026-10-14","conditions":"Overcast","high_temp":89,"low_temp":78,"wind_speed":20,"wind_direction":"S","precipitation":0,"pressure":1013,"pressure_trend":"stable","uv_index":6,"humidity":75,"cloud_cover":29,"sunrise":"2026-10-14T07:31","sunset":"2026-10-14T18:56","moon_phase":"waxing_crescent","moon_illumination":8,"fishing_rating":"fair","moonrise":"11:35 AM","moonset":"08:40 PM","moon_transit":"04:29 PM","moon_under":"04:17 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PM","minor2_start":"08:53 PM","minor2_stop":"09:53 PM","solunar_day_rating":2,"updated_at":"2026-10-14T08:32:23.395Z","kind":"weather_forecast","freshness":"fresh","citation_url":"https://www.txfishingreports.com/lake/grapevine#forecast-2026-10-15"},{"date":"2026-10-16","conditions":"Overcast","high_temp":71,"low_temp":57,"wind_speed":23,"wind_direction":"N","precipitation":0,"pressure":1026,"pressure_trend":"rising","uv_index":6,"humidity":49,"cloud_cover":68,"sunrise":"2026-10-16T07:33","sunset":"2026-10-16T18:53","moon_phase":"waxing_crescent","moon_illumination":22,"fishing_rating":"poor","moonrise":"01:20 PM","moonset":"10:12 PM","moon_transit":"06:13 PM","moon_under":"06:01 AM","major1_start":"05:13 PM","major1_stop":"07:13 PM","major2_start":"05:01 AM","major2_stop":"07:01 AM","minor1_start":"12:50 PM","minor1_stop":"01:50 PM","minor2_start":"09:42 PM","minor2_stop":"10:42 PM","solunar_day_rating":2,"updated_at":"2026-10-14T08:32:23.395Z","kind":"weather_forecast","freshness":"fresh","citation_url":"https://www.txfishingreports.com/lake/grapevine#forecast-2026-10-16"},{"date":"2026-10-17","conditions":"Overcast","high_temp":67,"low_temp":49,"wind_speed":15,"wind_direction":"NNE","precipitation":0,"pressure":1030,"pressure_trend":"falling","uv_index":6,"humidity":42,"cloud_cover":25,"sunrise":"2026-10-17T07:34","sunset":"2026-10-17T18:52","moon_phase":"waxing_crescent","moon_illumination":32,"fishing_rating":"fair","moonrise":"02:03 PM","moonset":"11:06 PM","moon_transit":"07:04 PM","moon_under":"06:52 AM","major1_start":"06:04 PM","major1_stop":"08:04 PM","major2_start":"05:52 AM","major2_stop":"07:52 AM","minor1_start":"01:33 PM","minor1_stop":"02:33 PM","minor2_start":"10:36 PM","minor2_stop":"11:36 PM","solunar_day_rating":1,"updated_at":"2026-10-14T08:32:23.395Z","kind":"weather_forecast","freshness":"fresh","citation_url":"https://www.txfishingreports.com/lake/grapevine#forecast-2026-10-17"},{"date":"2026-10-18","conditions":"Overcast","high_temp":73,"low_temp":57,"wind_speed":8,"wind_direction":"SE","precipitation":0,"pressure":1023,"pressure_trend":"stable","uv_index":6,"humidity":33,"cloud_cover":15,"sunrise":"2026-10-18T07:34","sunset":"2026-10-18T18:51","moon_phase":"waxing_crescent","moon_illumination":42,"fishing_rating":"poor","moonrise":"02:42 PM","moonset":"12:03 AM","moon_transit":"07:52 PM","moon_under":"07:40 AM","major1_start":"06:52 PM","major1_stop":"08:52 PM","major2_start":"06:40 AM","major2_stop":"08:40 AM","minor1_start":"02:12 PM","minor1_stop":"03:12 PM","minor2_start":"11:33 PM","minor2_stop":"12:33 AM","solunar_day_rating":1,"updated_at":"2026-10-14T08:32:23.395Z","kind":"weather_forecast","freshness":"fresh","citation_url":"https://www.txfishingreports.com/lake/grapevine#forecast-2026-10-18"}],"latest_water_observation":{"measurement_date":"2026-10-14","percent_full":92.3,"water_level_ft":533.02,"change_24hr":-0.05,"conservation_storage":150448,"conservation_capacity":163064,"conservation_pool_limit":535,"flood_pool_limit":560,"inflow_cfs":81,"outflow_cfs":63,"evaporation":0.33,"precipitation":0,"surface_area":6177.62,"data_source":"TWDB","kind":"observation","is_forecast":false,"freshness":"recent","date_basis":"Provider record date; USACE imports may use collection date. Individual level and flow readings may have different timestamps."},"units":{"temperature":"degrees Fahrenheit","wind_speed":"daily maximum, miles per hour","precipitation":"daily total, inches","pressure":"hPa","water_level":"feet elevation","flow":"cubic feet per second"},"fishing_reports":{"status":"paused","source_url":"https://tpwd.texas.gov/fishboat/fish/recreational/fishreport.phtml"},"sources":[{"name":"Open-Meteo","url":"https://open-meteo.com/","supplies":"Weather forecasts"},{"name":"TWDB","url":"https://waterdatafortexas.org/reservoirs","supplies":"Dated water observations"},{"name":"Texas Fishing Reports","url":"https://www.txfishingreports.com/lake/grapevine","supplies":"Aggregation and weather-based fishing ratings; solunar periods computed with SunCalc"}],"warnings":["Water levels are dated observations, not predictions for the requested day. Record dates are not verified sensor timestamps; level and flow values may have different observation times.","Fishing ratings are weather-based estimates, not firsthand catch reports or a guarantee of safe boating.","Forecast updated_at is the application collection/write time, not the upstream model issuance time. Some reservoir capacity percentages are derived estimates."],"links":{"canonical":"https://www.txfishingreports.com/lake/grapevine","boat_ramps":"https://www.txfishingreports.com/lake/grapevine/boat-ramps","documentation":"https://www.txfishingreports.com/data","api":"https://www.txfishingreports.com/api/v1/lakes/grapevine"}}