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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
E 18kt
< 1ft

Small Craft Advisory
Tonight
Low: 83 °F
ESE 20kt
< 1ft

Small Craft Advisory
Sunday
High: 85 °F
SE 15kt
< 1ft
Sunday Night
Low: 81 °F
SSE 16kt
< 1ft
Monday
High: 83 °F
SSE 11kt
< 1ft
Monday Night
Low: 78 °F
SE 12kt
< 1ft
Tuesday
High: 82 °F
SE 9kt
< 1ft
Tuesday Night
Low: 80 °F
SE 11kt
< 1ft
Wednesday
High: 84 °F
S 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:30 am CDT Jun 13, 2026
Forecast Valid: 8am CDT Jun 13, 2026-6pm CDT Jun 19, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 11 to 18 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, mainly before 4pm. Seas 1 ft or less.

Tonight

ESE wind 13 to 20 kt. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Sunday

SE wind 11 to 15 kt, with gusts as high as 21 kt. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.

Sunday Night

SSE wind 12 to 16 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Monday

SSE wind around 11 kt. Showers before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Monday Night

SE wind 10 to 12 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

SE wind 7 to 9 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday Night

SE wind around 11 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Wednesday

S wind 11 to 13 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

*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.