For More Weather Information:

Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 77 °F
ENE 7kt
< 1ft
Tonight
Low: 70 °F
SE 11kt
< 1ft
Saturday
High: 76 °F
SE 16kt
< 1ft
Saturday Night
Low: 73 °F
SE 19kt
< 1ft
Sunday
High: 79 °F
SSE 16kt
< 1ft
Sunday Night
Low: 67 °F
⇑N 22kt
< 1ft
Monday
High: 69 °F
N 23kt
< 1ft
Monday Night
Low: 64 °F
N 21kt
< 1ft
Tuesday
High: 70 °F
N 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:30 pm CST Nov 13, 2026
Forecast Valid: 4pm CST Nov 13, 2026-6pm CST Nov 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 7 kt. Sunny. Seas 1 ft or less.

Tonight

E wind 7 to 11 kt becoming SE after midnight. Increasing clouds. Seas 1 ft or less.

Saturday

SE wind 11 to 16 kt, with gusts as high as 23 kt. A slight chance of showers between 11am and 1pm. Seas 1 ft or less.

Saturday Night

SE wind 15 to 19 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.

Sunday

SSE wind 12 to 16 kt, with gusts as high as 22 kt. A chance of showers after noon. Seas 1 ft or less.

Sunday Night

SSE wind 8 to 13 kt becoming N 17 to 22 kt after midnight. Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Seas 1 ft or less.

Monday

N wind 18 to 23 kt, with gusts as high as 29 kt. A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Seas 1 ft or less.

Monday Night

N wind 18 to 21 kt. A slight chance of showers. Seas 1 ft or less.

Tuesday

N wind 12 to 20 kt. Partly 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.