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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
E 11kt
< 1ft
Tonight
Low: 74 °F
ESE 11kt⇓
< 1ft
Friday
High: 77 °F
N 14kt
< 1ft
Friday Night
Low: 73 °F
NE 13kt
< 1ft
Saturday
High: 77 °F
E 15kt
< 1ft
Saturday Night
Low: 72 °F
E 20kt
< 1ft
Sunday
High: 74 °F
ESE 20kt
< 1ft
Sunday Night
Low: 65 °F
NE 23kt
1ft
Monday
High: 69 °F
N 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:30 pm CST Nov 5, 2026
Forecast Valid: 5pm CST Nov 5, 2026-6pm CST Nov 12, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 11 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

ESE wind 6 to 11 kt becoming variable and less than 5 kt. Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Seas 1 ft or less.

Friday

N wind 6 to 14 kt. Showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 5pm. Seas 1 ft or less.

Friday Night

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

Saturday

E wind 12 to 15 kt. A chance of showers, then showers likely and possibly a thunderstorm after noon. Seas 1 ft or less.

Saturday Night

E wind 15 to 20 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Seas 1 ft or less.

Sunday

ESE wind 17 to 20 kt becoming NE in the afternoon. Winds could gust as high as 29 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Sunday Night

NE wind 19 to 23 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

Monday

N wind 12 to 20 kt. 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.