Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
E 15kt
5ft
Tonight
Low: 82 °F
E 12kt
4ft
Wednesday
High: 83 °F
E 15kt
4ft
Wednesday Night
Low: 82 °F
E 11kt
4ft
Thursday
High: 83 °F
E 13kt
4ft
Thursday Night
Low: 82 °F
E 8kt
3-4ft
Friday
High: 83 °F
E 14kt
3-4ft
Friday Night
Low: 82 °F
E 9kt
3ft
Saturday
High: 83 °F
E 13kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:44 am EDT Mar 10, 2026
Forecast Valid: 12pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 15 kt. Showers likely and possibly a thunderstorm before 3pm, then scattered showers. Seas around 5 ft.

Tonight

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

Wednesday

E wind 7 to 15 kt, with gusts as high as 21 kt. Showers likely, mainly before 9am. Seas around 4 ft.

Wednesday Night

E wind 7 to 11 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 8 to 13 kt. Scattered showers. Seas around 4 ft.

Thursday Night

E wind 6 to 8 kt. Scattered showers. Seas 3 to 4 ft.

Friday

E wind 6 to 14 kt, with gusts as high as 20 kt. Scattered showers before noon. Seas 3 to 4 ft.

Friday Night

E wind 7 to 9 kt. Clear. Seas around 3 ft.

Saturday

E wind 9 to 13 kt. 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.