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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Overnight
Low: 80 °F
NNE 12kt
< 1ft
Wednesday
High: 84 °F
NNE 15kt
< 1ft
Wednesday Night
Low: 80 °F
NE 14kt
< 1ft
Thursday
High: 84 °F
NNE 16kt
< 1ft
Thursday Night
Low: 79 °F
NE 15kt
< 1ft
Friday
High: 83 °F
NNE 15kt
< 1ft
Friday Night
Low: 77 °F
NNE 13kt
< 1ft
Saturday
High: 84 °F
N 10kt
< 1ft
Saturday Night
Low: 77 °F
NE 8kt⇓
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:00 am CDT Oct 7, 2026
Forecast Valid: 12am CDT Oct 7, 2026-6pm CDT Oct 13, 2026

View Nearby Observations

Detailed Forecast

Overnight

NNE wind around 12 kt. A chance of showers and thunderstorms, mainly after 1am. Seas 1 ft or less.

Wednesday

NNE wind 13 to 15 kt, with gusts as high as 21 kt. Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Seas 1 ft or less.

Wednesday Night

NE wind 10 to 14 kt. A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Thursday

NNE wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

NE wind 13 to 15 kt. A slight chance of showers after 1am. Seas 1 ft or less.

Friday

NNE wind around 15 kt, with gusts as high as 21 kt. A slight chance of showers, then a chance of showers and thunderstorms after 10am. Seas 1 ft or less.

Friday Night

NNE wind 8 to 13 kt. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.

Saturday

N wind 8 to 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

NE wind 5 to 8 kt becoming variable and less than 5 kt. Partly cloudy. 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.