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]

Overnight
Low: 82 °F
E 10kt
5ft
Tuesday
High: 83 °F
E 15kt
5ft
Tuesday Night
Low: 82 °F
E 11kt
4ft
Wednesday
High: 83 °F
E 15kt
4ft
Wednesday Night
Low: 82 °F
E 10kt
4ft
Thursday
High: 83 °F
E 14kt
4ft
Thursday Night
Low: 82 °F
E 9kt
3-4ft
Friday
High: 83 °F
E 14kt
3-4ft
Friday Night
Low: 82 °F
E 9kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:27 pm EDT Mar 9, 2026
Forecast Valid: 12am EDT Mar 10, 2026-6pm EDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT TONIGHT...

Overnight

E wind around 10 kt. Scattered showers. Seas around 5 ft.

Tuesday

E wind 10 to 15 kt, with gusts as high as 21 kt. Showers likely, mainly between noon and 3pm. Seas around 5 ft.

Tuesday Night

E wind 9 to 11 kt. Scattered showers. Seas around 4 ft.

Wednesday

E wind 7 to 15 kt. Showers likely, mainly before noon. Seas around 4 ft.

Wednesday Night

E wind 8 to 10 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 8 to 14 kt. Isolated showers, then scattered showers and thunderstorms after noon. Seas around 4 ft.

Thursday Night

E wind 7 to 9 kt. Scattered showers. Seas 3 to 4 ft.

Friday

E wind 9 to 14 kt. Scattered showers. Seas 3 to 4 ft.

Friday Night

E wind 6 to 9 kt. Clear. 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.