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Brownsville, TX Local Forecast Office

17NM NE Port Isabel TX

Marine Zone Forecast

Tonight

South winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 7 seconds.

Saturday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.

Saturday Night

South winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.

Sunday

South winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.

Sunday Night

Southeast winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

Monday

North winds 20 to 25 knots increasing to 25 to 30 knots in the afternoon. Seas 4 to 6 feet, with occasional seas up to 7 feet building to 7 to 10 feet, with occasional seas up to 13 feet in the afternoon. Wave detail: east 5 feet at 6 seconds becoming northeast 10 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon.

Monday Night

North winds 20 to 25 knots with gusts up to 35 knots. Seas 9 to 12 feet, with occasional seas up to 15 feet.

Tuesday

North winds 15 to 20 knots. Gusts to 30 knots in the morning. Seas 8 to 11 feet, with occasional seas up to 14 feet subsiding to 6 to 8 feet, with occasional seas up to 9 feet in the afternoon.

Tuesday Night

North winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 4 to 6 feet, with occasional seas up to 7 feet subsiding to 3 to 4 feet after midnight.

Wednesday

Northeast winds around 5 knots becoming east in the afternoon. Seas 2 to 3 feet.

Wednesday Night

Southeast winds 5 to 10 knots becoming south after midnight. Seas 2 to 3 feet.

winds and seas higher in and near thunderstorms.

Winds and seas higher in and near thunderstorms.