


News Headlines
- New: Microburst(s) Cause Damage to Structures, Power Poles, and Trees in Hidalgo County, June 12th, 2025
- New: Spring (March to May) 2025 RGV Weather Summary: A State of Heat and Drought, Broken by a Devastating Flood
- Summer 2025 Outlook - The Heat Is On, Water Resource Issues May Worsen, and Limited Opportunities for Tropical Rains
- Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas

Last Update: 1252 AM CDT Thu Jun 19 2025
For More Weather Information:
46NM ENE Port Isabel TX
Marine Zone Forecast
Today
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of thunderstorms.
Tonight
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of showers and thunderstorms.
Friday
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: southeast 5 feet at 7 seconds. Showers likely with a chance of thunderstorms.
Friday Night
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: southeast 5 feet at 8 seconds. Showers likely in the evening. A slight chance of thunderstorms. A chance of showers after midnight.
Saturday
Southeast winds around 15 knots. Seas 4 to 5 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of showers.
Saturday Night
Southeast winds around 15 knots. Seas 4 to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. A slight chance of thunderstorms after midnight.
Sunday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms.
Sunday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms.
Monday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms.
Monday Night
Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight.
winds and seas higher in and near thunderstorms.
winds and seas higher in and near thunderstorms.
Winds and seas higher in and near thunderstorms.
Additional Forecasts and Information
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