For More Weather Information:

Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
⇑E 12kt
< 1ft
Tonight
Low: 82 °F
ESE 15kt
< 1ft
Tuesday
High: 88 °F
SE 18kt
< 1ft
Tuesday Night
Low: 84 °F
SSE 21kt
< 1ft
Wednesday
High: 89 °F
SE 22kt
< 1ft
Wednesday Night
Low: 84 °F
SSE 24kt
< 1ft
Thursday
High: 88 °F
SSE 19kt
< 1ft
Thursday Night
Low: 80 °F
ESE 13kt
< 1ft
Friday
High: 83 °F
NE 9kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:18 am CDT Sep 28, 2026
Forecast Valid: 6am CDT Sep 28, 2026-6pm CDT Oct 4, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

Tonight

E wind 12 to 15 kt becoming SSE after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

SE wind 11 to 18 kt, with gusts as high as 24 kt. A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Seas 1 ft or less.

Tuesday Night

SSE wind 18 to 21 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SE wind 20 to 22 kt, with gusts as high as 30 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SSE wind 19 to 24 kt. Partly cloudy. Seas 1 ft or less.

Thursday

SSE wind 16 to 19 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Thursday Night

ESE wind 9 to 13 kt becoming S after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Friday

W wind 6 to 9 kt becoming NE in the afternoon. Showers 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.