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

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Sunday
High: 81 °F
ENE 13kt
3-4ft
Sunday Night
Low: 77 °F
E 9kt
5ft
Washington's Birthday
High: 81 °F
ESE 11kt
4-5ft
Monday Night
Low: 77 °F
SE 7kt
3-4ft
Tuesday
High: 81 °F
E 9kt
3ft
Tuesday Night
Low: 77 °F
E 8kt⇓
2-3ft
Wednesday
High: 81 °F
ENE 13kt
2-3ft
Wednesday Night
Low: 77 °F
E 8kt
4-5ft
Thursday
High: 81 °F
E 13kt
5-6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:26 pm EST Feb 14, 2026
Forecast Valid: 1am EST Feb 15, 2026-6pm EST Feb 21, 2026

View Nearby Observations

Detailed Forecast

Sunday

ENE wind 8 to 13 kt. Showers and possibly a thunderstorm before 11am, then showers likely. Seas 3 to 4 ft.

Sunday Night

E wind around 9 kt. Scattered showers. Seas around 5 ft.

Washington's Birthday

ESE wind 5 to 11 kt. Scattered showers, mainly before 8am. Seas 4 to 5 ft.

Monday Night

SE wind 5 to 7 kt. Scattered showers. Seas 3 to 4 ft.

Tuesday

SSE wind 5 to 9 kt becoming E in the afternoon. Scattered showers, mainly before 11am. Seas around 3 ft.

Tuesday Night

E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas 2 to 3 ft.

Wednesday

ENE wind 5 to 13 kt. Scattered showers before 11am. Seas 2 to 3 ft.

Wednesday Night

E wind 5 to 8 kt. Scattered showers. Seas 4 to 5 ft.

Thursday

E wind 6 to 13 kt. Scattered showers. Seas 5 to 6 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.