For More Weather Information:

Norton, MA Local Forecast Office

8NM ESE Nantucket MA

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 48 °F
ESE 15kt
3ft
Tonight
Low: 39 °F
NNW 23kt
8ft
Wednesday
High: 44 °F
NNW 19kt⇓
8ft
Wednesday Night
Low: 41 °F
⇑WSW 15kt
4-5ft
Thursday
High: 45 °F
⇑WSW 24kt
5-6ft
Thursday Night
Low: 25 °F
NNW 27kt⇓
6-7ft
Friday
High: 40 °F
NNW 15kt
5ft
Friday Night
Low: 34 °F
SW 11kt
2ft
Saturday
High: 43 °F
N 12kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm EST Dec 2, 2025
Forecast Valid: 4pm EST Dec 2, 2025-6pm EST Dec 9, 2025

View Nearby Observations

Detailed Forecast

Late Afternoon

ESE wind around 15 kt. Rain. Seas around 3 ft.

Tonight

E wind 19 to 23 kt becoming NNW after midnight. Winds could gust as high as 35 kt. Rain, mainly before 3am. The rain could be heavy at times. Seas 4 ft building to 8 ft.

Wednesday

NNW wind 14 to 19 kt decreasing to 6 to 11 kt. Winds could gust as high as 33 kt. A slight chance of rain before 7am. Seas 8 ft subsiding to 5 ft.

Wednesday Night

WSW wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 22 kt. Mostly cloudy. Seas 4 to 5 ft.

Thursday

WSW wind 17 to 20 kt increasing to 21 to 24 kt in the afternoon. Winds could gust as high as 33 kt. Partly sunny. Seas 5 to 6 ft.

Thursday Night

NNW wind 22 to 27 kt decreasing to 16 to 21 kt after midnight. Winds could gust as high as 37 kt. Partly cloudy. Seas 6 to 7 ft.

Friday

NW wind 12 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Mostly sunny. Seas 5 ft subsiding to 3 ft.

Friday Night

SW wind 9 to 11 kt becoming SE after midnight. A chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Seas around 2 ft.

Saturday

ENE wind 10 to 12 kt becoming W in the afternoon. A chance of rain. Seas around 2 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.