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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 74 °F
SSE 15kt
2ft
Friday
High: 79 °F
SSE 22kt
2-3ft
Friday Night
Low: 74 °F
SSE 18kt
2ft
Saturday
High: 79 °F
SE 16kt
2ft
Saturday Night
Low: 69 °F
NNE 16kt
1-2ft
Sunday
High: 72 °F
NNE 19kt
3ft
Sunday Night
Low: 68 °F
ENE 18kt
2-3ft
Monday
High: 74 °F
ENE 16kt
2ft
Monday Night
Low: 71 °F
E 14kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 pm CDT Apr 16, 2026
Forecast Valid: 10pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSE wind around 15 kt. Mostly cloudy. Seas around 2 ft.

Friday

SSE wind 13 to 22 kt, with gusts as high as 35 kt. Mostly sunny. Seas 2 to 3 ft.

Friday Night

SSE wind 16 to 18 kt, with gusts as high as 29 kt. Mostly cloudy. Seas around 2 ft.

Saturday

SE wind 14 to 16 kt, with gusts as high as 26 kt. Mostly cloudy. Seas around 2 ft.

Saturday Night

ESE wind 9 to 16 kt becoming NNE after midnight. Winds could gust as high as 23 kt. A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Seas 1 to 2 ft.

Sunday

NNE wind around 19 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Sunday Night

ENE wind 12 to 18 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Seas 2 to 3 ft.

Monday

ENE wind 12 to 16 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Monday Night

E wind 9 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms, mainly before 1am. Seas 1 to 2 ft.

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.