Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 19, 10:00 AM CST

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

M.L.King Day
High: 68 °F
N 25kt
3ft

Small Craft Advisory
Tonight
Low: 63 °F
NNE 25kt
2-3ft
Tuesday
High: 74 °F
NNE 25kt
3ft
Tuesday Night
Low: 68 °F
NE 25kt
4ft
Wednesday
High: 76 °F
ENE 20kt
4ft
Wednesday Night
Low: 71 °F
NE 20kt
3-4ft
Thursday
High: 77 °F
NE 15kt
2-3ft
Thursday Night
Low: 71 °F
NE 15kt
2ft
Friday
High: 77 °F
ENE 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 am CST Jan 19, 2026
Forecast Valid: 6am CST Jan 19, 2026-6pm CST Jan 25, 2026

View Nearby Observations

Detailed Forecast

M.L.King Day

N wind 15 to 25 kt. Mostly sunny. Seas around 3 ft.

Tonight

NNE wind 15 to 25 kt. Mostly cloudy. Seas 2 to 3 ft.

Tuesday

NNE wind 20 to 25 kt. Mostly sunny. Seas around 3 ft.

Tuesday Night

NE wind 20 to 25 kt. Partly cloudy. Seas around 4 ft.

Wednesday

ENE wind around 20 kt. Isolated showers. Seas around 4 ft.

Wednesday Night

NE wind 15 to 20 kt. Scattered showers. Seas 3 to 4 ft.

Thursday

NE wind 10 to 15 kt. Scattered showers. Seas 2 to 3 ft.

Thursday Night

NE wind 10 to 15 kt. Scattered showers. Seas around 2 ft.

Friday

ENE wind 10 to 15 kt. Isolated showers. Seas around 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.