Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

2NM SW Barnes Sound FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
NE 20kt
1-2ft

Small Craft Advisory
Tonight
Low: 78 °F
NE 20kt
1-2ft

Small Craft Advisory
Monday
High: 84 °F
NE 20kt
2ft
Monday Night
Low: 76 °F
NE 20kt
1-2ft
Tuesday
High: 84 °F
NE 20kt
1-2ft
Tuesday Night
Low: 74 °F
NNE 20kt
1-2ft
Wednesday
High: 84 °F
NE 15kt
1ft
Wednesday Night
Low: 74 °F
NE 15kt
1ft
Thursday
High: 83 °F
NNE 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm CDT Oct 18, 2026
Forecast Valid: 12pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 20 kt. Showers likely and possibly a thunderstorm. Seas 1 to 2 ft.

Tonight

NE wind around 20 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Monday

NE wind around 20 kt. A slight chance of showers. Seas around 2 ft.

Monday Night

NE wind 15 to 20 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

NE wind 15 to 20 kt. Sunny. Seas 1 to 2 ft.

Tuesday Night

NNE wind 10 to 20 kt. Mostly clear. Seas 1 to 2 ft.

Wednesday

NE wind 10 to 15 kt. Sunny. Seas around 1 ft.

Wednesday Night

NE wind 10 to 15 kt. A slight chance of showers. Seas around 1 ft.

Thursday

NNE wind 10 to 15 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.