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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]

Today
High: 77 °F
SE 16kt
< 1ft

Small Craft Advisory
Tonight
Low: 74 °F
SE 16kt
< 1ft

Small Craft Advisory
Sunday
High: 79 °F
SSE 15kt
< 1ft

Small Craft Advisory
Sunday Night
Low: 66 °F
⇑N 20kt
< 1ft

Small Craft Advisory
Monday
High: 70 °F
N 23kt
1ft

Small Craft Advisory
Monday Night
Low: 65 °F
N 20kt
1ft

Small Craft Advisory
Tuesday
High: 72 °F
N 18kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 70 °F
NE 14kt
< 1ft

Small Craft Advisory
Wednesday
High: 76 °F
NE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 am CST Nov 14, 2026
Forecast Valid: 11am CST Nov 14, 2026-6pm CST Nov 20, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind around 16 kt. Sunny. Seas 1 ft or less.

Tonight

SE wind 13 to 16 kt. Partly cloudy. Seas 1 ft or less.

Sunday

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

Sunday Night

SSE wind 7 to 12 kt becoming N 15 to 20 kt after midnight. A chance of showers and thunderstorms, then showers likely after midnight. Seas 1 ft or less.

Monday

N wind 21 to 23 kt. A chance of showers, mainly after noon. Seas around 1 ft.

Monday Night

N wind 18 to 20 kt. A chance of showers. Seas around 1 ft.

Tuesday

N wind 15 to 18 kt. A chance of showers. Seas 1 ft or less.

Tuesday Night

NE wind 7 to 14 kt. A slight chance of showers. Seas 1 ft or less.

Wednesday

NE wind 6 to 10 kt. Mostly 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.