Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

5NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
SE 6kt
3-4ft
Tuesday
High: 83 °F
⇑E 10kt
3ft
Tuesday Night
Low: 82 °F
ESE 9kt
3ft
Wednesday
High: 83 °F
E 12kt
4-6ft
Wednesday Night
Low: 82 °F
ESE 10kt
5-6ft
Thursday
High: 83 °F
ENE 14kt
5ft
Thursday Night
Low: 82 °F
E 12kt
5ft
Friday
High: 83 °F
E 12kt
4-5ft
Friday Night
Low: 82 °F
E 11kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:28 pm EST Dec 15, 2025
Forecast Valid: 8pm EST Dec 15, 2025-6pm EST Dec 22, 2025

View Nearby Observations

Detailed Forecast

Tonight

SE wind around 6 kt. Scattered showers. Seas 3 to 4 ft.

Tuesday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers, mainly before 11am. Seas around 3 ft.

Tuesday Night

ESE wind 7 to 9 kt. Scattered showers, mainly before 11pm. Seas around 3 ft.

Wednesday

E wind 7 to 12 kt. Scattered showers, mainly after 11am. Seas 4 to 6 ft.

Wednesday Night

ESE wind 7 to 10 kt. Isolated showers. Seas 5 to 6 ft.

Thursday

ENE wind 9 to 14 kt. Scattered showers, mainly before 11am. Seas around 5 ft.

Thursday Night

E wind 10 to 12 kt. Mostly clear. Seas around 5 ft.

Friday

E wind 9 to 12 kt. Scattered showers. Seas 4 to 5 ft.

Friday Night

E wind 9 to 11 kt. Scattered showers. Seas around 4 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.