Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

Corpus Christi, TX Local Forecast Office

4NM S Port O Connor TX

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
E 14kt
1ft
Tonight
Low: 83 °F
E 15kt
1ft
Saturday
High: 87 °F
E 10kt
1ft
Saturday Night
Low: 83 °F
ESE 12kt
1ft
Sunday
High: 87 °F
SE 9kt
1ft
Sunday Night
Low: 84 °F
SSE 11kt
1ft
Monday
High: 87 °F
⇑ESE 8kt
1ft
Monday Night
Low: 84 °F
SE 11kt
1ft
Tuesday
High: 88 °F
⇑ESE 9kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:46 am CDT Sep 18, 2026
Forecast Valid: 5am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 11 to 14 kt becoming NE in the morning. A chance of showers and thunderstorms, mainly before 11am. Seas around 1 ft. .

Tonight

E wind 9 to 15 kt becoming SE after midnight. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas around 1 ft. .

Saturday

E wind 6 to 10 kt. A slight chance of showers and thunderstorms between 9am and 10am. Seas around 1 ft. .

Saturday Night

ESE wind 6 to 12 kt becoming SSE after midnight. Mostly clear. Seas around 1 ft. .

Sunday

SE wind 5 to 9 kt. Sunny. Seas around 1 ft. .

Sunday Night

SSE wind 8 to 11 kt. Partly cloudy. Seas around 1 ft. .

Monday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms before 1pm. Seas around 1 ft. .

Monday Night

SE wind 5 to 11 kt. Mostly clear. Seas around 1 ft. .

Tuesday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. A slight chance of showers and thunderstorms before 1pm. Seas around 1 ft. .

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.