News Headlines
- Rapid-Onset (Flash) Drought Continues to Worsen Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
| NWS Forecast for: Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM (GMZ155) Issued by: National Weather Service Brownsville, TX Last Update: 223 AM CDT Sun Sep 20 2026 |  |
| Today: South winds around 5 knots, becoming northeast this afternoon, then becoming east late this afternoon. Seas 2 to 4 feet. Wave detail: east 3 feet at 7 seconds. A slight chance of showers and thunderstorms late this morning. Tonight: Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave detail: east 3 feet at 6 seconds. Monday: South winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds. A slight chance of showers late in the morning. Monday Night: East winds 5 to 10 knots, becoming southeast early in the morning. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds. Tuesday: East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. Tuesday Night: East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. Wednesday: East winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. Wednesday Night: East winds 10 to 15 knots, diminishing to 5 to 10 knots early in the morning. Seas 2 to 3 feet. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Thursday: East winds 5 to 10 knots, increasing to 10 to 15 knots late in the afternoon. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Thursday Night: East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM (GMZ155) | |
Visit your local NWS office at: https://www.weather.gov/bro |