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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]

Overnight
Low: 84 °F
SE 15kt
< 1ft
Friday
High: 85 °F
SE 15kt
< 1ft
Friday Night
Low: 82 °F
ESE 15kt
< 1ft
Saturday
High: 84 °F
ESE 16kt
< 1ft
Saturday Night
Low: 83 °F
ESE 16kt
< 1ft
Sunday
High: 85 °F
SE 15kt
< 1ft
Sunday Night
Low: 81 °F
SE 14kt
< 1ft
Monday
High: 85 °F
SSE 15kt
< 1ft
Monday Night
Low: 80 °F
SE 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 am CDT Jun 12, 2026
Forecast Valid: 12am CDT Jun 12, 2026-6pm CDT Jun 18, 2026

View Nearby Observations

Detailed Forecast

Overnight

SE wind 12 to 15 kt. Partly cloudy. Seas 1 ft or less.

Friday

SE wind 11 to 15 kt. Sunny. Seas 1 ft or less.

Friday Night

ESE wind 10 to 15 kt. A chance of showers and thunderstorms, mainly after 5am. Seas 1 ft or less.

Saturday

ESE wind 10 to 16 kt. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Saturday Night

ESE wind 10 to 16 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Sunday

SE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Sunday Night

SE wind around 14 kt. A chance of showers and thunderstorms, mainly after 1am. Seas 1 ft or less.

Monday

SSE wind 11 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday Night

SE wind 11 to 13 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. 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.