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Brownsville, TX Local Forecast Office

2NM E Port Isabel TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 85 °F
ESE 14kt
< 1ft
Tonight
Low: 81 °F
SE 11kt
< 1ft
Columbus Day
High: 88 °F
SSE 13kt
< 1ft
Monday Night
Low: 82 °F
SE 12kt
< 1ft
Tuesday
High: 88 °F
SSE 16kt
< 1ft
Tuesday Night
Low: 82 °F
SSE 14kt
< 1ft
Wednesday
High: 87 °F
SE 17kt
< 1ft
Wednesday Night
Low: 80 °F
SE 15kt
< 1ft
Thursday
High: 85 °F
SE 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:00 pm CDT Oct 11, 2026
Forecast Valid: 1pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind around 14 kt. Mostly sunny. Seas 1 ft or less.

Tonight

SE wind around 11 kt. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Seas 1 ft or less.

Columbus Day

SSE wind 9 to 13 kt. A slight chance of showers and thunderstorms between 10am and 2pm. Seas 1 ft or less.

Monday Night

SE wind around 12 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SSE wind 12 to 16 kt. Sunny. Seas 1 ft or less.

Tuesday Night

SSE wind around 14 kt. Mostly clear. Seas 1 ft or less.

Wednesday

SE wind 14 to 17 kt. Sunny. Seas 1 ft or less.

Wednesday Night

SE wind 13 to 15 kt. Mostly clear. Seas 1 ft or less.

Thursday

SE wind 13 to 16 kt. 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.