Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

7NM NNE Portsmouth RI

Marine Point Forecast

[NOTICE]

Today
High: 61 °F
⇑E 9kt
1-2ft
Tonight
Low: 54 °F
E 10kt⇓
1ft
Saturday
High: 62 °F
W 14kt
3ft
Saturday Night
Low: 53 °F
W 8kt
1ft
Sunday
High: 66 °F
NW 9kt
1ft
Sunday Night
Low: 48 °F
Light Wind
1ft
Monday
High: 65 °F
⇑SSW 10kt
1ft
Monday Night
Low: 56 °F
WSW 9kt
1ft
Tuesday
High: 72 °F
SSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:42 am EDT May 9, 2025
Forecast Valid: 6am EDT May 9, 2025-6pm EDT May 15, 2025

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Showers likely, then showers and possibly a thunderstorm after 4pm. Patchy fog before 8am. Seas 1 to 2 ft.

Tonight

E wind 5 to 10 kt becoming variable and less than 5 kt. Winds could gust as high as 21 kt. Showers and thunderstorms before 3am, then showers likely. Some of the storms could produce heavy rainfall. Patchy fog. Seas around 1 ft.

Saturday

W wind 10 to 14 kt, with gusts as high as 21 kt. A chance of showers, mainly between 1pm and 3pm. Patchy fog before 10am. Seas 1 ft building to 3 ft.

Saturday Night

W wind around 8 kt. Mostly clear. Seas around 1 ft.

Sunday

NW wind around 9 kt. Sunny. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Monday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Sunny. Seas around 1 ft.

Monday Night

WSW wind 7 to 9 kt. Mostly clear. Seas around 1 ft.

Tuesday

SSW wind 6 to 10 kt. Mostly sunny. Seas around 1 ft.

Winds and waves higher in and near tstms. 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.