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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 82 °F
N 17kt
< 1ft
Tonight
Low: 78 °F
NNE 17kt
< 1ft
Tuesday
High: 82 °F
N 17kt
< 1ft
Tuesday Night
Low: 79 °F
NNE 13kt
< 1ft
Wednesday
High: 82 °F
N 15kt
< 1ft
Wednesday Night
Low: 79 °F
NE 13kt
< 1ft
Thursday
High: 82 °F
NNE 15kt
< 1ft
Thursday Night
Low: 79 °F
NE 14kt
< 1ft
Friday
High: 82 °F
N 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:30 pm CDT Oct 5, 2026
Forecast Valid: 12pm CDT Oct 5, 2026-6pm CDT Oct 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 17 kt, with gusts as high as 24 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tonight

NNE wind 15 to 17 kt. Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Tuesday

N wind 15 to 17 kt. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Tuesday Night

NNE wind 10 to 13 kt. A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Seas 1 ft or less.

Wednesday

N wind 13 to 15 kt, with gusts as high as 21 kt. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Wednesday Night

NE wind 9 to 13 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Thursday

NNE wind 12 to 15 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday Night

NE wind 11 to 14 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Friday

N wind 14 to 16 kt, with gusts as high as 23 kt. Showers likely and possibly a thunderstorm. 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.