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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 74 °F
SE 18kt
< 1ft

Small Craft Advisory
Sunday
High: 78 °F
SSE 14kt
< 1ft

Small Craft Advisory
Sunday Night
Low: 65 °F
⇑N 24kt
< 1ft

Small Craft Advisory
Monday
High: 65 °F
N 27kt
1ft

Small Craft Advisory
Monday Night
Low: 63 °F
N 23kt
1ft

Small Craft Advisory
Tuesday
High: 70 °F
N 21kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 68 °F
NE 14kt
< 1ft

Small Craft Advisory
Wednesday
High: 75 °F
ENE 9kt
< 1ft
Wednesday Night
Low: 73 °F
ESE 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm CST Nov 14, 2026
Forecast Valid: 10pm CST Nov 14, 2026-6pm CST Nov 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 14 to 18 kt. Mostly clear. Seas 1 ft or less.

Sunday

SSE wind 10 to 14 kt. A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Sunday Night

N wind 7 to 12 kt becoming N 19 to 24 kt after midnight. Showers and thunderstorms likely before midnight, then a chance of showers. Seas 1 ft or less.

Monday

N wind 23 to 27 kt. A chance of showers, mainly after 4pm. Seas around 1 ft.

Monday Night

N wind 21 to 23 kt. A chance of showers, mainly before midnight. Seas around 1 ft.

Tuesday

N wind 14 to 21 kt. A chance of showers, mainly after noon. Seas 1 ft or less.

Tuesday Night

NE wind 9 to 14 kt. A slight chance of showers before midnight. Seas 1 ft or less.

Wednesday

ENE wind 6 to 9 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

ESE wind 6 to 8 kt. Mostly cloudy. 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.