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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 77 °F
SSE 14kt
< 1ft
Tonight
Low: 58 °F
⇑NNE 30kt
< 1ft

Gale Warning
Monday
High: 63 °F
NNE 34kt
< 1ft

Gale Warning
Monday Night
Low: 51 °F
N 24kt
< 1ft
Tuesday
High: 56 °F
N 19kt
< 1ft
Tuesday Night
Low: 49 °F
N 9kt
< 1ft
Wednesday
High: 62 °F
N 6kt⇓
< 1ft
Wednesday Night
Low: 57 °F
E 6kt
< 1ft
New Year's Day
High: 69 °F
SE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:30 am CST Dec 28, 2025
Forecast Valid: 8am CST Dec 28, 2025-6pm CST Jan 3, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind 12 to 14 kt. Sunny. Seas 1 ft or less.

Tonight

SE wind 7 to 12 kt becoming NNE 20 to 30 kt after midnight. Winds could gust as high as 36 kt. A chance of showers and thunderstorms 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.

Monday

NNE wind 26 to 34 kt, with gusts as high as 42 kt. A slight chance of showers before noon. Seas 1 ft or less.

Monday Night

N wind 21 to 24 kt. Cloudy. Seas 1 ft or less.

Tuesday

N wind 10 to 19 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

N wind 6 to 9 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

N wind around 6 kt becoming variable and less than 5 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

E wind around 6 kt becoming SSW after midnight. Partly cloudy. Seas 1 ft or less.

New Year's Day

SSW wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.

*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.