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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
SE 19kt
< 1ft
Thursday
High: 85 °F
SE 13kt
< 1ft
Thursday Night
Low: 77 °F
ESE 11kt⇓
< 1ft
Friday
High: 84 °F
⇑NNE 28kt
< 1ft
Friday Night
Low: 64 °F
N 31kt
1ft
Saturday
High: 71 °F
N 29kt
< 1ft
Saturday Night
Low: 65 °F
N 20kt
< 1ft
Sunday
High: 75 °F
NNW 19kt
< 1ft
Sunday Night
Low: 70 °F
NNE 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:30 pm CDT Oct 14, 2026
Forecast Valid: 9pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 16 to 19 kt. Mostly clear. Seas 1 ft or less.

Thursday

SE wind 11 to 13 kt. Sunny. Seas 1 ft or less.

Thursday Night

ESE wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Friday

NNE wind 9 to 14 kt increasing to 23 to 28 kt in the afternoon. Winds could gust as high as 37 kt. A chance of showers, mainly after 1pm. Seas 1 ft or less.

Friday Night

N wind 26 to 31 kt, with gusts as high as 39 kt. Mostly cloudy. Seas around 1 ft.

Saturday

N wind 19 to 29 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

N wind 13 to 20 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NNW wind 13 to 19 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

NNE wind 7 to 11 kt. A slight chance of showers. 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.