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

15NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Today
High: 56 °F
⇑E 11kt
< 1ft
Tonight
Low: 50 °F
E 10kt
< 1ft
Saturday
High: 63 °F
SW 12kt
< 1ft
Saturday Night
Low: 50 °F
W 8kt
< 1ft
Sunday
High: 67 °F
NW 9kt
< 1ft
Sunday Night
Low: 49 °F
Light Wind
< 1ft
Monday
High: 64 °F
SSW 10kt
< 1ft
Monday Night
Low: 53 °F
SW 8kt
< 1ft
Tuesday
High: 67 °F
SW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:49 am EDT May 9, 2025
Forecast Valid: 5am EDT May 9, 2025-6pm EDT May 15, 2025

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Showers likely, mainly after 5pm. Patchy fog before 10am, then Patchy fog after 3pm. Seas 1 ft or less.

Tonight

E wind around 10 kt becoming S after midnight. Showers and possibly a thunderstorm before 3am, then showers likely. Patchy fog. Seas 1 ft or less.

Saturday

SW wind 10 to 12 kt becoming W in the morning. A chance of showers, mainly before 10am. Patchy fog before 9am. Seas 1 ft or less.

Saturday Night

W wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NW wind 6 to 9 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

SSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Monday Night

SW wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SW wind 6 to 10 kt. Partly sunny. Seas 1 ft or less.

Winds and seas 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.