| 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: 1246 AM CST Thu Nov 6 2025 | |
| Today: South winds around 5 knots, becoming east this afternoon. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds. Tonight: Southeast winds 5 to 10 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave detail: south 2 feet at 3 seconds and east 2 feet at 7 seconds. Friday: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 2 feet at 7 seconds. Friday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 2 feet at 7 seconds. Saturday: South winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 6 seconds. Saturday Night: South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. Sunday: North winds 20 to 25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Sunday Night: North winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Monday: North winds 20 to 25 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet. Monday Night: Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas 4 to 6 feet, occasionally to 8 feet. | |
| Zone Forecast: Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM (GMZ150) | |
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