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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 64 °F
E 9kt
< 1ft
Friday
High: 72 °F
ESE 14kt
< 1ft
Friday Night
Low: 67 °F
SSE 13kt
< 1ft
Saturday
High: 75 °F
SSE 17kt
< 1ft
Saturday Night
Low: 46 °F
NNW 18kt
< 1ft
Sunday
High: 50 °F
N 21kt
< 1ft
Sunday Night
Low: 34 °F
N 22kt
< 1ft
Monday
High: 47 °F
NNW 20kt
< 1ft
Monday Night
Low: 42 °F
NNE 12kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:30 pm CST Jan 22, 2026
Forecast Valid: 6pm CST Jan 22, 2026-6pm CST Jan 29, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 6 to 9 kt becoming SSE after midnight. Mostly cloudy. Seas 1 ft or less.

Friday

ESE wind 7 to 14 kt. Partly sunny. Seas 1 ft or less.

Friday Night

SSE wind around 13 kt. A slight chance of showers. Seas 1 ft or less.

Saturday

SSE wind 12 to 17 kt, with gusts as high as 23 kt. A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Seas 1 ft or less.

Saturday Night

SSE wind 16 to 18 kt becoming NNW after midnight. A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Seas 1 ft or less.

Sunday

N wind 17 to 21 kt. A slight chance of showers before noon. Seas 1 ft or less.

Sunday Night

N wind 20 to 22 kt. Mostly cloudy. Seas 1 ft or less.

Monday

NNW wind 13 to 20 kt. Partly sunny. Seas 1 ft or less.

Monday Night

NNE wind 9 to 12 kt. Mostly cloudy. 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.