Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

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

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:15 pm EDT Mar 10, 2026
Forecast Valid: 9pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight

E wind 9 to 11 kt. Scattered showers. Seas 4 to 5 ft.

Wednesday

E wind 8 to 15 kt. Showers likely, mainly before 9am. Seas around 4 ft.

Wednesday Night

E wind 7 to 11 kt. Scattered showers, mainly after 3am. Seas around 4 ft.

Thursday

E wind 7 to 14 kt. Scattered showers. Seas 3 to 4 ft.

Thursday Night

E wind 6 to 9 kt. Scattered showers. Seas around 3 ft.

Friday

E wind 7 to 14 kt. Scattered showers, mainly before noon. Seas around 3 ft.

Friday Night

E wind around 10 kt. Clear. Seas 3 to 4 ft.

Saturday

E wind 10 to 15 kt. Scattered showers. Seas 3 to 4 ft.

Saturday Night

E wind 9 to 11 kt. Partly cloudy. Seas around 4 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.