River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

52NM SSW Nantucket MA

Marine Point Forecast

[NOTICE]

Today
High: 65 °F
SSW 15kt
3ft
Tonight
Low: 63 °F
SSW 17kt
3-4ft
Friday
High: 65 °F
S 17kt
5ft
Friday Night
Low: 59 °F
S 16kt⇓
5-6ft
Saturday
High: 62 °F
W 14kt
5-6ft
Saturday Night
Low: 54 °F
⇑W 25kt
9ft
Sunday
High: 58 °F
WNW 26kt
9ft
Sunday Night
Low: 53 °F
WNW 22kt
6-7ft
Monday
High: 57 °F
WNW 27kt
7-8ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:37 am EST Nov 5, 2026
Forecast Valid: 5am EST Nov 5, 2026-6pm EST Nov 11, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 11 to 15 kt. Mostly cloudy. Seas around 3 ft.

Tonight

SSW wind around 17 kt. A chance of rain, mainly after 4am. Seas 3 to 4 ft.

Friday

S wind around 17 kt. Rain likely before 1pm, then a chance of rain and thunderstorms between 1pm and 4pm, then rain likely after 4pm. Patchy fog before 10am, then Patchy fog after noon. Seas around 5 ft.

Friday Night

S wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. Rain. Patchy fog. Seas 5 to 6 ft.

Saturday

S wind 9 to 14 kt becoming W in the afternoon. Rain likely, mainly before 1pm. Seas 5 to 6 ft.

Saturday Night

W wind 15 to 20 kt increasing to 20 to 25 kt after midnight. A chance of rain, mainly between 4am and 5am. Seas 6 ft building to 9 ft.

Sunday

WNW wind 22 to 26 kt. Mostly sunny. Seas 9 ft subsiding to 7 ft.

Sunday Night

WNW wind around 22 kt. Partly cloudy. Seas 6 to 7 ft.

Monday

WNW wind 25 to 27 kt. Mostly sunny. Seas 7 to 8 ft.

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.