Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 pm Monday 17 Nov 2025 EST
Forecast update in hr  min  s Forecast update imminent
Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nantasket Beach sea temperature is
10.2° C
(Which is normal for this time of year)


How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 6PM is: 0.1m 14s primary swell from a East direction and 0.1m 11s secondary swell from a East direction (forecast issued at 12:00pm November 17). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (17 Nov)0.5ft (0.1m)14s
Afternoon (17 Nov)0.5ft (0.1m)14s
Evening (17 Nov)0.5ft (0.1m)14s

Table - waves today at Nantasket Beach. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
Period(s) (?)141414141414141414141313141414131313131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)544444444444444433333333
Wind
(km/h)
35
WNW
35
WNW
30
WNW
30
WNW
25
WNW
25
W
25
W
25
W
25
W
25
W
25
WNW
15
W
15
W
15
W
10
W
10
W
10
WNW
5
NW
0
N
0
WSW
5
NNW
10
NNW
5
NNW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffcross-
off
glassglassglasscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
9:07AM
2.84
9:37PM
2.60
9:44AM
2.89
10:17PM
2.59
10:19AM
2.92
10:56PM
2.57
Low Tide
/ height (m)
3:26PM
0.17
3:32AM
0.36
4:06PM
0.12
4:08AM
0.38
4:44PM
0.09
4:45AM
0.41
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Sunrise-------6:37-------6:37-------6:39
Sunset--4:20-------4:19-------4:17-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
Rain (mm)
------------------------
Temp. °C355322113664211135664422
Feels °C (?)-6-4-4-6-6-6-7-6-5-2-1-2-3-4-4-3-113310-2-2
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nantasket Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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