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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
N 15kt
< 1ft
Tonight
Low: 79 °F
NNE 13kt
< 1ft
Sunday
High: 82 °F
N 16kt
< 1ft
Sunday Night
Low: 79 °F
NNE 14kt
< 1ft
Monday
High: 82 °F
N 18kt
< 1ft
Monday Night
Low: 79 °F
NNE 16kt
< 1ft
Tuesday
High: 82 °F
N 17kt
< 1ft
Tuesday Night
Low: 79 °F
NNE 14kt
< 1ft
Wednesday
High: 83 °F
NNE 17kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:00 am CDT Oct 3, 2026
Forecast Valid: 11am CDT Oct 3, 2026-6pm CDT Oct 9, 2026

View Nearby Observations

Detailed Forecast

Today

N wind 12 to 15 kt. Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Tonight

NNE wind 8 to 13 kt becoming NNW after midnight. Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Seas 1 ft or less.

Sunday

N wind 11 to 16 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Sunday Night

NNE wind 9 to 14 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Monday

N wind 13 to 18 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Monday Night

NNE wind 11 to 16 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

N wind 14 to 17 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Tuesday Night

NNE wind 8 to 14 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Wednesday

NNE wind 10 to 17 kt. A slight chance of showers and thunderstorms. 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.