| NWS Forecast for: Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM (GMZ170) Issued by: National Weather Service Brownsville, TX Last Update: 1238 PM CDT Wed Oct 8 2025 |  |
| Today: Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east 4 feet at 5 seconds. A chance of thunderstorms this morning. A chance of showers. Tonight: Northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave detail: east 5 feet at 6 seconds. A slight chance of showers early in the evening, then a chance of showers in the late evening and overnight. Thursday: Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 5 feet at 6 seconds. A chance of showers. Thursday Night: Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers. Friday: Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers. Friday Night: Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers early in the evening. Saturday: Northeast winds 5 to 10 knots. Seas 3 to 5 feet. Saturday Night: East winds around 10 knots, becoming southeast after midnight. Seas 4 to 5 feet. Sunday: Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Sunday Night: Southeast winds around 10 knots. Seas 3 to 4 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM (GMZ170) | |
Visit your local NWS office at: https://www.weather.gov/bro |