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Last Update: 223 AM CDT Sun Sep 20 2026
For More Weather Information:
26NM NNE Port Mansfield TX
Marine Zone Forecast
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.
winds and seas higher in and near thunderstorms.
Winds and seas higher in and near thunderstorms.
Additional Forecasts and Information
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