Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Monday
High: 82 °F
⇑NNW 25kt
1-2ft

Small Craft Advisory
Monday Night
Low: 59 °F
N 30kt
2-3ft

Small Craft Advisory
Veterans Day
High: 70 °F
NNE 30kt
3ft
Tuesday Night
Low: 65 °F
NE 20kt
3ft
Wednesday
High: 78 °F
NE 20kt
3ft
Wednesday Night
Low: 72 °F
NE 15kt
2-3ft
Thursday
High: 79 °F
NE 15kt
2ft
Thursday Night
Low: 73 °F
ENE 15kt
2-3ft
Friday
High: 80 °F
NE 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CST Nov 10, 2025
Forecast Valid: 1am CST Nov 10, 2025-6pm CST Nov 16, 2025

View Nearby Observations

Detailed Forecast

Monday

NNW wind 10 to 15 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Scattered showers before noon. Seas 1 to 2 ft.

Monday Night

N wind 25 to 30 kt. Mostly cloudy. Seas 2 to 3 ft.

Veterans Day

NNE wind 20 to 30 kt. Mostly sunny. Seas around 3 ft.

Tuesday Night

NE wind around 20 kt. Mostly cloudy. Seas around 3 ft.

Wednesday

NE wind 15 to 20 kt. Partly sunny. Seas around 3 ft.

Wednesday Night

NE wind around 15 kt. Mostly cloudy. Seas 2 to 3 ft.

Thursday

NE wind around 15 kt. Partly sunny. Seas around 2 ft.

Thursday Night

ENE wind around 15 kt. Partly cloudy. Seas 2 to 3 ft.

Friday

NE wind around 15 kt. Mostly sunny. Seas 2 to 3 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.