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Brownsville, TX Local Forecast Office

2NM ESE Port Mansfield TX

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
SE 10kt
< 1ft

Small Craft Advisory
Tonight
Low: 65 °F
⇑N 25kt
< 1ft

Small Craft Advisory
Monday
High: 68 °F
N 27kt
1ft

Small Craft Advisory
Monday Night
Low: 64 °F
N 23kt
< 1ft

Small Craft Advisory
Tuesday
High: 71 °F
N 20kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 70 °F
E 14kt
< 1ft

Small Craft Advisory
Wednesday
High: 76 °F
E 10kt
< 1ft
Wednesday Night
Low: 73 °F
E 11kt
< 1ft
Thursday
High: 77 °F
E 12kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:18 am CST Nov 15, 2026
Forecast Valid: 11am CST Nov 15, 2026-6pm CST Nov 21, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 8 to 10 kt becoming E in the afternoon. A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Tonight

E wind 7 to 12 kt becoming N 20 to 25 kt in the evening. A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 3am. Seas 1 ft or less.

Monday

N wind 22 to 27 kt. A chance of showers, mainly after 2pm. Seas around 1 ft.

Monday Night

N wind 21 to 23 kt. A chance of showers, mainly after 3am. Seas 1 ft or less.

Tuesday

N wind 15 to 20 kt. A chance of showers. Seas 1 ft or less.

Tuesday Night

E wind 10 to 14 kt. A slight chance of showers. Seas 1 ft or less.

Wednesday

E wind around 10 kt. A slight chance of showers after noon. Seas 1 ft or less.

Wednesday Night

E wind 8 to 11 kt. A slight chance of showers. Seas 1 ft or less.

Thursday

E wind 8 to 12 kt. A slight chance of showers, then a chance of showers and thunderstorms after noon. 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.