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 >

For More Weather Information:

Tampa Bay, FL Local Forecast Office

4NM W Boca Grande FL

Marine Point Forecast

[NOTICE]

M.L.King Day
High: 61 °F
N 17kt
2-4ft
Tonight
Low: 49 °F
NNE 17kt
2ft
Tuesday
High: 68 °F
NE 17kt
2ft
Tuesday Night
Low: 56 °F
NE 19kt
2ft
Wednesday
High: 73 °F
ENE 14kt
1-2ft
Wednesday Night
Low: 63 °F
ENE 11kt
1ft
Thursday
High: 72 °F
N 10kt
1ft
Thursday Night
Low: 63 °F
NE 11kt
1ft
Friday
High: 73 °F
NE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:37 pm CST Jan 18, 2026
Forecast Valid: 6am CST Jan 19, 2026-6pm CST Jan 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...

M.L.King Day

N wind 13 to 17 kt. Sunny. Seas 2 to 4 ft.

Tonight

NNE wind 13 to 17 kt. Mostly clear. Seas around 2 ft.

Tuesday

NE wind 13 to 17 kt. Sunny. Seas around 2 ft.

Tuesday Night

NE wind 14 to 19 kt. Mostly clear. Seas around 2 ft.

Wednesday

ENE wind 9 to 14 kt. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

ENE wind 9 to 11 kt. Mostly cloudy. Seas around 1 ft.

Thursday

NE wind 7 to 10 kt becoming N in the afternoon. A chance of showers, mainly after noon. Seas around 1 ft.

Thursday Night

NE wind around 11 kt. A slight chance of showers. Seas around 1 ft.

Friday

NE wind 5 to 10 kt becoming NW in the afternoon. Mostly sunny. 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.