Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon.
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Norton, MA Local Forecast Office

8NM ESE Nantucket MA

Marine Point Forecast

[NOTICE]

Tonight

ESE 23km/h
1m
Low: 7 °C
Saturday

S 21km/h
1m
High: 11 °C
Saturday
Night
WNW 24km/h
1m
Low: 7 °C
Sunday

WSW 27km/h
1m
High: 9 °C
Sunday
Night
WSW 32km/h
1m
Low: 7 °C
Monday

W 21km/h
1m
High: 11 °C
Monday
Night
SSE 16km/h
1m
Low: 7 °C
Tuesday

SSE 24km/h
1m
High: 9 °C
Tuesday
Night
SSE 26km/h
1m
Low: 7 °C

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:57 am EDT Apr 19, 2024
Forecast Valid: 5pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024

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Detailed Forecast

Tonight

ESE wind 18 to 23 km/h becoming SSE after midnight. A chance of showers, mainly after 2am. Seas around 1 m.

Saturday

S wind 18 to 21 km/h becoming W 14 to 17 km/h in the afternoon. Showers, mainly before 3pm. Patchy fog. Seas around 1 m.

Saturday Night

W wind around 24 km/h becoming NW after midnight. Winds could gust as high as 34 km/h. A slight chance of showers before 10pm. Seas around 1 m.

Sunday

WNW wind 23 to 27 km/h becoming WSW in the afternoon. Winds could gust as high as 35 km/h. Mostly sunny. Seas around 1 m.

Sunday Night

WSW wind 29 to 32 km/h decreasing to 24 to 27 km/h after midnight. Winds could gust as high as 42 km/h. Mostly cloudy. Seas around 1 m.

Monday

W wind 16 to 21 km/h becoming N in the afternoon. Mostly sunny. Seas around 1 m.

Monday Night

SSE wind around 16 km/h. Mostly clear. Seas around 1 m.

Tuesday

SSE wind 21 to 24 km/h, with gusts as high as 34 km/h. Sunny. Seas around 1 m.

Tuesday Night

SSE wind around 26 km/h, with gusts as high as 40 km/h. Mostly cloudy. Seas around 1 m.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*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.