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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]

Today
High: 72 °F
ESE 13kt
< 1ft
Tonight
Low: 72 °F
ESE 14kt
< 1ft
Tuesday
High: 76 °F
SE 15kt
< 1ft
Tuesday Night
Low: 73 °F
ESE 12kt
< 1ft
Wednesday
High: 78 °F
SSE 13kt
< 1ft
Wednesday Night
Low: 74 °F
SE 11kt
< 1ft
Thursday
High: 79 °F
SE 16kt
< 1ft
Thursday Night
Low: 76 °F
SE 14kt
< 1ft
Friday
High: 80 °F
SSE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:00 am CDT Apr 20, 2026
Forecast Valid: 7am CDT Apr 20, 2026-6pm CDT Apr 26, 2026

View Nearby Observations

Detailed Forecast

Today

WSW wind 8 to 13 kt becoming E in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas 1 ft or less.

Tonight

ESE wind 12 to 14 kt. A chance of showers and thunderstorms, mainly between 4am and 5am. Seas 1 ft or less.

Tuesday

SE wind 9 to 15 kt. A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Seas 1 ft or less.

Tuesday Night

ESE wind 9 to 12 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

SSE wind 8 to 13 kt. Sunny. Seas 1 ft or less.

Wednesday Night

SE wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.

Thursday

SE wind 9 to 16 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

SE wind around 14 kt. Partly cloudy. Seas 1 ft or less.

Friday

SSE wind 12 to 15 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.