For More Weather Information:

Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 78 °F
SE 20kt
< 1ft
Tonight
Low: 72 °F
SE 18kt
< 1ft
Thursday
High: 78 °F
SE 21kt
< 1ft
Thursday Night
Low: 73 °F
SSE 19kt
< 1ft
Friday
High: 78 °F
SSE 20kt
< 1ft
Friday Night
Low: 72 °F
SE 19kt
< 1ft
Saturday
High: 78 °F
ESE 15kt
< 1ft
Saturday Night
Low: 69 °F
E 14kt
< 1ft
Sunday
High: 72 °F
NNE 19kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:00 pm CDT Apr 1, 2026
Forecast Valid: 2pm CDT Apr 1, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SE wind around 20 kt, with gusts as high as 27 kt. Sunny. Seas 1 ft or less.

Tonight

SE wind 16 to 18 kt, with gusts as high as 24 kt. Increasing clouds. Seas 1 ft or less.

Thursday

SE wind 19 to 21 kt, with gusts as high as 28 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Thursday Night

SSE wind 16 to 19 kt. Mostly cloudy. Seas 1 ft or less.

Friday

SSE wind 15 to 20 kt, with gusts as high as 28 kt. Partly sunny. Seas 1 ft or less.

Friday Night

SE wind 15 to 19 kt, with gusts as high as 26 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

ESE wind 12 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

E wind 7 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Sunday

NNE wind 10 to 19 kt, with gusts as high as 27 kt. 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.