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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
NNE 17kt
< 1ft
Tonight
Low: 81 °F
NE 14kt
< 1ft
Thursday
High: 85 °F
NNE 17kt
< 1ft
Thursday Night
Low: 80 °F
NE 16kt
< 1ft
Friday
High: 83 °F
NNE 18kt
< 1ft
Friday Night
Low: 77 °F
NNE 14kt
< 1ft
Saturday
High: 84 °F
N 12kt
< 1ft
Saturday Night
Low: 77 °F
NE 8kt
< 1ft
Sunday
High: 84 °F
⇑E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:45 am CDT Oct 7, 2026
Forecast Valid: 11am CDT Oct 7, 2026-6pm CDT Oct 13, 2026

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Detailed Forecast

Today

NNE wind around 17 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

Tonight

NE wind 11 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Seas 1 ft or less.

Thursday

NNE wind 13 to 17 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, mainly before 3pm. Seas 1 ft or less.

Thursday Night

NE wind 14 to 16 kt. Mostly clear. Seas 1 ft or less.

Friday

NNE wind 15 to 18 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Seas 1 ft or less.

Friday Night

NNE wind 10 to 14 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind 9 to 12 kt. Sunny. Seas 1 ft or less.

Saturday Night

NE wind 5 to 8 kt becoming SE after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Mostly sunny. 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.