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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 80 °F
E 15kt
< 1ft
Tonight
Low: 69 °F
NNE 20kt
< 1ft

Small Craft Advisory
Sunday
High: 72 °F
NE 22kt
< 1ft

Small Craft Advisory
Sunday Night
Low: 68 °F
NE 17kt
< 1ft

Small Craft Advisory
Monday
High: 74 °F
E 16kt
< 1ft
Monday Night
Low: 71 °F
E 16kt
< 1ft
Tuesday
High: 76 °F
SE 14kt
< 1ft
Tuesday Night
Low: 72 °F
SE 13kt
< 1ft
Wednesday
High: 78 °F
SE 14kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:45 pm CDT Apr 18, 2026
Forecast Valid: 12pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 15 kt, with gusts as high as 21 kt. Mostly cloudy. Seas 1 ft or less.

Tonight

E wind 11 to 20 kt becoming NNE in the evening. A chance of showers and thunderstorms, mainly after midnight. Seas 1 ft or less.

Sunday

NE wind 18 to 22 kt. Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Sunday Night

NE wind 11 to 17 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Seas 1 ft or less.

Monday

E wind 12 to 16 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Monday Night

E wind 10 to 16 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

SE wind 9 to 14 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

SE wind 9 to 13 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

SE wind 7 to 14 kt. Mostly sunny. 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.