Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 21, 04:00 AM CST

For More Weather Information:

Key West, FL Local Forecast Office

Boot Key Harbor FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 70 °F
NE 15kt
< 1ft
Tonight
Low: 66 °F
NE 15kt
< 1ft
Wednesday
High: 76 °F
ENE 15kt
< 1ft
Wednesday Night
Low: 68 °F
NE 15kt
< 1ft
Thursday
High: 78 °F
ENE 10kt
< 1ft
Thursday Night
Low: 71 °F
ENE 10kt
< 1ft
Friday
High: 79 °F
ENE 10kt
< 1ft
Friday Night
Low: 70 °F
ENE 10kt
< 1ft
Saturday
High: 80 °F
E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm CST Jan 20, 2026
Forecast Valid: 5pm CST Jan 20, 2026-6pm CST Jan 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 15 kt. Mostly sunny. Seas 1 ft or less.

Tonight

NE wind around 15 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

ENE wind around 15 kt. A slight chance of showers. Seas 1 ft or less.

Wednesday Night

NE wind 10 to 15 kt. A chance of showers. Seas 1 ft or less.

Thursday

ENE wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Thursday Night

ENE wind around 10 kt. A slight chance of showers. Seas 1 ft or less.

Friday

ENE wind 5 to 10 kt. A slight chance of showers. Seas 1 ft or less.

Friday Night

ENE wind 5 to 10 kt. A slight chance of showers. Seas 1 ft or less.

Saturday

E wind around 10 kt. Sunny. Seas 1 ft or less.

*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.