Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 11 Apr 2026 EDT
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
5.4° C
(Which is slightly warmer than usual)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 3AM is: 0.7m 9s primary swell from a East direction and 0.5m 4s secondary swell from a North direction (forecast issued at 07:00pm April 11). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Apr)2.5ft (0.7m)9s
Afternoon (12 Apr)2ft (0.6m)9s
Evening (12 Apr)2ft (0.6m)9s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tuesday
14
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.5
E
0.5
E
0.5
E
0.4
E
0.4
E
0.3
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
Period(s) (?)999999999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)767876767676575757573938382424172627281616161616
Wind
(km/h)
25
NW
20
NNW
20
NNW
20
NW
15
NW
10
N
0
SE
10
ESE
15
SE
20
S
20
SSW
25
S
25
SSW
35
SSW
30
SW
30
SW
25
SW
20
WSW
15
WSW
15
WSW
15
WSW
10
WSW
10
SW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossglasscross-
on
cross-
on
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
7:23PM
2.32
7:37AM
2.59
8:16PM
2.44
8:32AM
2.68
9:06PM
2.61
9:24AM
2.80
Low Tide
/ height (m)
1:21AM
0.61
1:59PM
0.41
2:17AM
0.49
2:50PM
0.30
3:10AM
0.31
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise-----6:07-------6:05-------6:05--
Sunset7:20-------7:21-------7:22-------
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
clear
part cloud
clear
clear
cloud
cloud
part cloud
Rain (mm)
----------------1-------
Temp. °C1310754369117557914141516161515162024
Feels °C (?)631-1-1-13461-1-111991113141313151922
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest