Last Update: 135 AM CDT Sat Apr 18 2026
For More Weather Information:
26NM NNE Port Mansfield TX
Marine Zone Forecast
Today
Southeast winds 10 to 15 knots, becoming east late this afternoon. Seas 3 to 5 feet. Wave detail: southeast 4 feet at 7 seconds.
Tonight
East winds 10 to 15 knots, becoming northeast after midnight, then increasing to 20 to 25 knots early in the morning. Seas 3 to 5 feet. Wave detail: east 5 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight.
Sunday
Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: northeast 7 feet at 7 seconds. A slight chance of thunderstorms early in the morning. Showers. A slight chance of thunderstorms in the afternoon.
Sunday Night
Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet after midnight. Wave detail: northeast 6 feet at 7 seconds, becoming northeast 5 feet at 7 seconds. A slight chance of thunderstorms in the evening. Showers likely. A chance of thunderstorms after midnight.
Monday
East winds around 15 knots. Seas 4 to 5 feet. Wave detail: east 5 feet at 7 seconds. Showers with a chance of thunderstorms.
Monday Night
East winds 15 to 20 knots, becoming southeast 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave detail: east 5 feet at 6 seconds. A chance of thunderstorms. Showers early in the evening, then a chance of showers in the late evening and overnight.
Tuesday
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms.
Tuesday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight.
Wednesday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon.
Wednesday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers early in the evening.
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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