Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 80 °F
ESE 6kt
3ft
Tonight
Low: 74 °F
Light Wind
3ft
Saturday
High: 80 °F
⇑ENE 9kt
3ft
Saturday Night
Low: 74 °F
ENE 7kt
3ft
Sunday
High: 80 °F
ENE 11kt
4ft
Sunday Night
Low: 74 °F
E 9kt
4ft
Washington's Birthday
High: 80 °F
E 12kt
4ft
Monday Night
Low: 75 °F
ESE 6kt⇓
3-4ft
Tuesday
High: 80 °F
⇑E 9kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:58 pm EST Feb 13, 2026
Forecast Valid: 5pm EST Feb 13, 2026-6pm EST Feb 20, 2026

View Nearby Observations

Detailed Forecast

Late Afternoon

ESE wind around 6 kt. Isolated showers. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Isolated showers before 8pm. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming ENE 5 to 9 kt in the afternoon. Isolated showers between 8am and 2pm. Seas around 3 ft.

Saturday Night

ENE wind around 7 kt. Showers likely, mainly after 2am. Seas around 3 ft.

Sunday

ENE wind 7 to 11 kt. Showers likely. Seas around 4 ft.

Sunday Night

E wind 7 to 9 kt. Scattered showers, mainly before 11pm. Seas around 4 ft.

Washington's Birthday

E wind 6 to 12 kt. Scattered showers before 11am. Seas around 4 ft.

Monday Night

ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Scattered showers. Seas 3 to 4 ft.

Tuesday

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Scattered showers. Seas around 3 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.