Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 9, 06:00 AM EDT

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
E 14kt
< 1ft
Saturday
High: 83 °F
E 16kt
< 1ft
Saturday Night
Low: 75 °F
E 13kt
< 1ft
Sunday
High: 82 °F
E 16kt
< 1ft
Sunday Night
Low: 75 °F
E 13kt
< 1ft
Monday
High: 82 °F
E 16kt
< 1ft
Monday Night
Low: 75 °F
E 12kt
< 1ft
Tuesday
High: 82 °F
E 14kt
< 1ft
Tuesday Night
Low: 74 °F
E 12kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:50 pm EST Mar 6, 2026
Forecast Valid: 6pm EST Mar 6, 2026-6pm EDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

Tonight

E wind 12 to 14 kt. Scattered showers, then showers likely and possibly a thunderstorm after 11pm. Seas 1 ft or less.

Saturday

E wind 14 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly before 11am. Seas 1 ft or less.

Saturday Night

E wind around 13 kt. Scattered showers. Seas 1 ft or less.

Sunday

E wind 12 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly before 11am. Seas 1 ft or less.

Sunday Night

E wind 11 to 13 kt. Scattered showers. Seas 1 ft or less.

Monday

E wind 13 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly before 11am. Seas 1 ft or less.

Monday Night

E wind around 12 kt. Showers likely. Seas 1 ft or less.

Tuesday

E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 1 ft or less.

Tuesday Night

E wind 10 to 12 kt. Showers likely. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*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.