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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
⇑E 11kt
< 1ft
Tonight
Low: 82 °F
E 12kt
< 1ft
Sunday
High: 87 °F
⇑E 10kt
< 1ft
Sunday Night
Low: 82 °F
E 12kt
< 1ft
Monday
High: 87 °F
⇑E 10kt
< 1ft
Monday Night
Low: 82 °F
SE 11kt
< 1ft
Tuesday
High: 87 °F
⇑E 12kt
< 1ft
Tuesday Night
Low: 83 °F
ESE 12kt
< 1ft
Wednesday
High: 87 °F
ENE 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:00 am CDT Sep 19, 2026
Forecast Valid: 11am CDT Sep 19, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

E wind 5 to 12 kt becoming S after midnight. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

E wind 6 to 12 kt becoming SSE after midnight. Partly cloudy. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Seas 1 ft or less.

Monday Night

SE wind 5 to 11 kt. Clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Tuesday Night

ESE wind 5 to 12 kt. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Wednesday

ENE wind 5 to 13 kt. A chance of showers and thunderstorms. 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.