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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
SE 20kt
< 1ft

Small Craft Advisory
Tonight
Low: 81 °F
SE 21kt
< 1ft

Small Craft Advisory
Tuesday
High: 83 °F
ESE 17kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 81 °F
SE 16kt
< 1ft
Wednesday
High: 82 °F
SE 15kt
< 1ft
Wednesday Night
Low: 79 °F
ESE 14kt
< 1ft
Thursday
High: 81 °F
SE 14kt
< 1ft
Thursday Night
Low: 78 °F
SE 15kt
< 1ft
Friday
High: 81 °F
SSE 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:00 am CDT May 18, 2026
Forecast Valid: 11am CDT May 18, 2026-6pm CDT May 24, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 18 to 20 kt, with gusts as high as 28 kt. Mostly sunny. Seas 1 ft or less.

Tonight

SE wind 16 to 21 kt. A slight chance of showers and thunderstorms, mainly between midnight and 4am. Seas 1 ft or less.

Tuesday

ESE wind around 17 kt, with gusts as high as 23 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Seas 1 ft or less.

Tuesday Night

SE wind 12 to 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Seas 1 ft or less.

Wednesday

SE wind 13 to 15 kt, with gusts as high as 21 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

ESE wind 10 to 14 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SE wind 9 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

SE wind 8 to 15 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Friday

SSE wind 7 to 11 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.