Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 90 °F
Light Wind
1ft
Tonight
Low: 84 °F
E 10kt
1ft
Tuesday
High: 90 °F
ESE 10kt
1ft
Tuesday Night
Low: 84 °F
ESE 10kt
2ft
Wednesday
High: 90 °F
ESE 10kt
2ft
Wednesday Night
Low: 84 °F
E 15kt
2-3ft
Thursday
High: 90 °F
SE 10kt
2ft
Thursday Night
Low: 84 °F
ESE 10kt
2ft
Friday
High: 90 °F
ESE 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:15 pm CDT Aug 24, 2026
Forecast Valid: 5pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

E wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

Tuesday

ESE wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Tuesday Night

ESE wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Wednesday

ESE wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Wednesday Night

E wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Thursday

SE wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Thursday Night

ESE wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Friday

ESE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 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.