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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
ESE 6kt
< 1ft
Tonight
Low: 77 °F
SE 9kt
< 1ft
Friday
High: 82 °F
SE 12kt
< 1ft
Friday Night
Low: 79 °F
SE 13kt
< 1ft
Saturday
High: 82 °F
SE 10kt
< 1ft
Saturday Night
Low: 77 °F
E 11kt
< 1ft
Sunday
High: 81 °F
⇑E 7kt
< 1ft
Sunday Night
Low: 77 °F
E 8kt⇓
< 1ft
Memorial Day
High: 80 °F
⇑E 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 pm CDT May 21, 2026
Forecast Valid: 4pm CDT May 21, 2026-6pm CDT May 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind around 6 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

SE wind 6 to 9 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly between 2am and 3am. Seas 1 ft or less.

Friday

S wind 7 to 12 kt becoming SE in the afternoon. A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Friday Night

SE wind 10 to 13 kt. A chance of showers, mainly after 1am. Seas 1 ft or less.

Saturday

SE wind 8 to 10 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.

Saturday Night

E wind 6 to 11 kt becoming S after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 7 kt in the afternoon. Showers likely, with thunderstorms also possible after 10am. Seas 1 ft or less.

Sunday Night

E wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms. Seas 1 ft or less.

Memorial Day

Variable winds less than 5 kt becoming E 5 to 7 kt in the afternoon. A chance of showers and thunderstorms. 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.