Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
E 9kt
2ft
Tuesday
High: 83 °F
E 9kt
2ft
Tuesday Night
Low: 82 °F
ENE 11kt
2-3ft
Wednesday
High: 83 °F
ENE 12kt
3ft
Wednesday Night
Low: 82 °F
E 10kt
3ft
Thursday
High: 83 °F
E 12kt
3ft
Thursday Night
Low: 82 °F
ENE 9kt
3ft
Friday
High: 83 °F
E 10kt
2-3ft
Friday Night
Low: 82 °F
ENE 8kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:05 pm EDT Jul 14, 2025
Forecast Valid: 6pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

Tonight

E wind around 9 kt. Scattered showers, mainly between 9pm and 3am. Seas around 2 ft.

Tuesday

E wind around 9 kt. Isolated showers after 9am. Seas around 2 ft.

Tuesday Night

ENE wind around 11 kt. Scattered showers. Seas 2 to 3 ft.

Wednesday

ENE wind 10 to 12 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas around 3 ft.

Wednesday Night

E wind 8 to 10 kt. Isolated showers. Seas around 3 ft.

Thursday

E wind around 12 kt. Isolated showers before noon. Seas around 3 ft.

Thursday Night

ENE wind around 9 kt. Clear. Seas around 3 ft.

Friday

E wind 7 to 10 kt. Sunny. Seas 2 to 3 ft.

Friday Night

ENE wind around 8 kt. Clear. 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.