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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]

Tuesday
High: 87 °F
ESE 13kt
< 1ft
Tuesday Night
Low: 82 °F
ESE 11kt
< 1ft
Wednesday
High: 86 °F
⇑E 11kt
< 1ft
Wednesday Night
Low: 81 °F
ESE 10kt
< 1ft
Thursday
High: 87 °F
⇑SE 13kt
< 1ft
Thursday Night
Low: 82 °F
SE 12kt
< 1ft
Friday
High: 88 °F
SSE 16kt
< 1ft
Friday Night
Low: 82 °F
SSE 15kt
< 1ft
Saturday
High: 88 °F
SE 17kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:00 am CDT Sep 8, 2026
Forecast Valid: 3am CDT Sep 8, 2026-6pm CDT Sep 14, 2026

View Nearby Observations

Detailed Forecast

Tuesday

SSE wind 5 to 13 kt becoming ESE in the morning. Sunny. Seas 1 ft or less.

Tuesday Night

ESE wind 5 to 11 kt. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. A slight chance of showers and thunderstorms, mainly between 3pm and 4pm. Seas 1 ft or less.

Wednesday Night

ESE wind 5 to 10 kt becoming S after midnight. Mostly clear. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SE 8 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

SE wind 9 to 12 kt. Mostly clear. Seas 1 ft or less.

Friday

SSE wind 9 to 16 kt. Sunny. Seas 1 ft or less.

Friday Night

SSE wind 12 to 15 kt. Mostly clear. Seas 1 ft or less.

Saturday

SE wind 11 to 17 kt. 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.