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| NWS Forecast for: Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM (GMZ150) Issued by: National Weather Service Brownsville, TX Last Update: 202 AM CDT Sat May 16 2026 | |
Today: Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave detail: southeast 4 feet at 6 seconds. Tonight: Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave detail: southeast 4 feet at 6 seconds. Sunday: Southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave detail: southeast 5 feet at 7 seconds. Sunday Night: Southeast winds 15 to 20 knots. Seas 4 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Wave detail: southeast 5 feet at 7 seconds, becoming southeast 6 feet at 7 seconds. Monday: Southeast winds 15 to 20 knots. Gusts to 30 knots late in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: southeast 6 feet at 8 seconds. Monday Night: Southeast winds 15 to 20 knots. Gusts to 30 knots early in the evening. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: southeast 7 feet at 8 seconds. Tuesday: Southeast winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet in the afternoon. Tuesday Night: Southeast winds around 15 knots. Seas 4 to 5 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Wednesday: Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms early in the morning. Wednesday Night: Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A slight chance of showers and thunderstorms after midnight. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM (GMZ150) | |
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