For More Weather Information:

Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Overnight
Low: 81 °F
NE 13kt
< 1ft
Thursday
High: 85 °F
NE 17kt
< 1ft
Thursday Night
Low: 80 °F
NE 15kt
< 1ft
Friday
High: 84 °F
NNE 17kt
< 1ft
Friday Night
Low: 78 °F
NNE 14kt
< 1ft
Saturday
High: 84 °F
NNW 11kt
< 1ft
Saturday Night
Low: 78 °F
ENE 8kt
< 1ft
Sunday
High: 84 °F
ESE 11kt
< 1ft
Sunday Night
Low: 81 °F
SE 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:18 pm CDT Oct 7, 2026
Forecast Valid: 11pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026

View Nearby Observations

Detailed Forecast

Overnight

NE wind 11 to 13 kt. A slight chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Seas 1 ft or less.

Thursday

NE wind 13 to 17 kt. A chance of showers and thunderstorms before 4pm, then a chance of showers after 5pm. Seas 1 ft or less.

Thursday Night

NE wind 13 to 15 kt. Mostly clear. Seas 1 ft or less.

Friday

NNE wind 15 to 17 kt, with gusts as high as 24 kt. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Seas 1 ft or less.

Friday Night

NNE wind 9 to 14 kt becoming NNW after midnight. Mostly clear. Seas 1 ft or less.

Saturday

NNW wind 6 to 11 kt becoming NE in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

ENE wind 6 to 8 kt becoming SE after midnight. Mostly clear. Seas 1 ft or less.

Sunday

ESE wind 6 to 11 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

SE wind 9 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.