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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 81 °F
E 11kt⇓
< 1ft
Sunday
High: 87 °F
⇑E 11kt
< 1ft
Sunday Night
Low: 81 °F
E 11kt
< 1ft
Monday
High: 87 °F
⇑ESE 12kt
< 1ft
Monday Night
Low: 83 °F
ESE 14kt
< 1ft
Tuesday
High: 88 °F
SSE 18kt
< 1ft
Tuesday Night
Low: 84 °F
SSE 24kt
< 1ft
Wednesday
High: 90 °F
SE 23kt
< 1ft
Wednesday Night
Low: 84 °F
SE 24kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:45 pm CDT Sep 26, 2026
Forecast Valid: 6pm CDT Sep 26, 2026-6pm CDT Oct 3, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

E wind 5 to 11 kt becoming SSE after midnight. Partly cloudy. Seas 1 ft or less.

Monday

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

Monday Night

ESE wind 11 to 14 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SSE wind 10 to 18 kt, with gusts as high as 24 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Tuesday Night

SSE wind 18 to 24 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SE wind around 23 kt, with gusts as high as 32 kt. A slight chance of showers and thunderstorms before 1pm. Seas 1 ft or less.

Wednesday Night

SE wind 19 to 24 kt, with gusts as high as 30 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1am. 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.