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:

San Juan, PR Local Forecast Office

6NM SE Ponce PR

Marine Point Forecast

[NOTICE]

Today
High: 82 °F
E 16kt
2-3ft
Tonight
Low: 80 °F
ENE 11kt
2-3ft
Wednesday
High: 82 °F
E 16kt
2ft
Wednesday Night
Low: 80 °F
ENE 11kt
2ft
Thursday
High: 82 °F
E 14kt
2ft
Thursday Night
Low: 80 °F
ENE 10kt
2ft
Friday
High: 82 °F
ENE 15kt
2ft
Friday Night
Low: 80 °F
ENE 9kt
2ft
Saturday
High: 82 °F
E 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:23 am EST Jan 20, 2026
Forecast Valid: 8am EST Jan 20, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today

E wind 10 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas 2 to 3 ft.

Tonight

ENE wind around 11 kt. Scattered showers, mainly between 8pm and 11pm. Seas 2 to 3 ft.

Wednesday

E wind 10 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 2 ft.

Wednesday Night

ENE wind 9 to 11 kt. Scattered showers, mainly after 11pm. Seas around 2 ft.

Thursday

E wind 9 to 14 kt. Scattered showers, mainly after 11am. Seas around 2 ft.

Thursday Night

ENE wind 8 to 10 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Friday

ENE wind 8 to 15 kt. Scattered showers before 11am. Seas around 2 ft.

Friday Night

ENE wind 7 to 9 kt. Mostly clear. Seas around 2 ft.

Saturday

E wind 8 to 15 kt. Sunny. 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.