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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
SE 15kt
< 1ft
Tonight
Low: 79 °F
SE 14kt
< 1ft
Saturday
High: 82 °F
SE 11kt
< 1ft
Saturday Night
Low: 77 °F
E 11kt
< 1ft
Sunday
High: 81 °F
E 7kt
< 1ft
Sunday Night
Low: 76 °F
E 8kt⇓
< 1ft
Memorial Day
High: 80 °F
⇑ENE 8kt
< 1ft
Monday Night
Low: 78 °F
E 9kt
< 1ft
Tuesday
High: 82 °F
⇑SE 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm CDT May 22, 2026
Forecast Valid: 4pm CDT May 22, 2026-6pm CDT May 28, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SE wind around 15 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Tonight

SE wind 10 to 14 kt. Increasing clouds. Seas 1 ft or less.

Saturday

SE wind 9 to 11 kt. Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.

Saturday Night

E wind 6 to 11 kt becoming SSE after midnight. Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Sunday

ENE wind 5 to 7 kt becoming ESE in the afternoon. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Sunday Night

E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Seas 1 ft or less.

Memorial Day

Variable winds less than 5 kt becoming ENE 5 to 8 kt in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 7am. Seas 1 ft or less.

Monday Night

E wind 5 to 9 kt becoming SSE after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SE 8 to 13 kt in the morning. A slight chance of showers and thunderstorms after 1pm. 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.