News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
Last Update: 1131 AM CDT Mon Aug 17 2026
For More Weather Information:
17NM NE Port Isabel TX
Marine Zone Forecast
Tonight
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 6 seconds.
Tuesday
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and east 1 foot at 8 seconds.
Tuesday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds and east 1 foot at 9 seconds.
Wednesday
South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds.
Wednesday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.
Thursday
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Thursday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Friday
South winds 10 to 15 knots. Seas 2 to 3 feet.
Friday Night
South winds 10 to 15 knots. Seas 2 to 3 feet.
Saturday
South winds 5 to 10 knots becoming southeast in the afternoon. Seas 2 to 3 feet.
Saturday Night
South winds 10 to 15 knots. Seas 2 to 4 feet.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
