Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Short Term Forecast

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Today
High: 90 °F
Light Wind
< 1ft
Tonight
Low: 83 °F
⇑SE 10kt
< 1ft
Friday
High: 89 °F
Light Wind
< 1ft
Friday Night
Low: 84 °F
ESE 10kt
1ft
Saturday
High: 90 °F
Light Wind
1ft
Saturday Night
Low: 84 °F
Light Wind
1ft
Sunday
High: 90 °F
Light Wind
1ft
Sunday Night
Low: 83 °F
Light Wind
1ft
Monday
High: 90 °F
ESE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 am CDT Aug 20, 2026
Forecast Valid: 11am CDT Aug 20, 2026-6pm CDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

Variable winds less than 5 kt becoming SE 5 to 10 kt in the evening. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

ENE wind 5 to 10 kt becoming SE after midnight. Partly cloudy. Seas around 1 ft.

Saturday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. A slight chance of showers. Seas around 1 ft.

Monday

ESE wind 5 to 10 kt. A slight chance of showers. Seas around 1 ft.

*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.