Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 1 am 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
16.7° C

Normal for this time of year

Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nantasket Beach today (28 Jun):

  • Morning surf: Morning surf (28 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (28 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Evening surf: Evening surf (28 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.

The current surf forecast for Nantasket Beach at 5AM is: 0.2m 10s primary swell from a East-southeast direction (forecast issued at 01:00am June 28). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (28 Jun)0.5ft (0.2m)10s
Afternoon (28 Jun)0.5ft (0.2m)10s
Evening (28 Jun)0.5ft (0.2m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue night. Warm (max 32°C on Tue afternoon, min 18°C on Sun night). Wind will be generally light.

Sunday
28
Monday
29
Tuesday
30
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.6
S
4
Wave Graph
Metric surfscale
Energy kJ
10
10
8
8
8
8
8
8
8
10
10
10
10
10
10
10
10
10
10
10
10
10
9
11
Wind (km/h)
5
SSE
0
NW
5
N
10
ENE
10
E
15
SE
10
S
10
SW
10
SW
10
WNW
10
N
15
NE
15
E
10
ESE
10
SE
10
SSW
10
SSW
10
SW
15
SW
10
SW
5
SW
15
SW
20
SW
15
SW
Wind State
cross
glassy
glassy
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross-on
on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
High Tide
11:20AM2.47m
11:16PM2.89m
11:59AM2.49m
11:56PM2.91m
12:38PM2.51m
Low Tide
5:07AM0.17m
5:03PM0.53m
5:47AM0.16m
5:44PM0.51m
6:25AM0.15m
6:24PM0.48m
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:23
8:23
 mm
1
Temp °C
18
17
19
21
22
22
22
20
19
18
19
22
23
23
21
22
21
20
22
28
32
30
27
22
Feels °C
19
19
21
22
22
21
22
20
20
18
19
21
21
21
20
21
21
20
22
28
32
29
27
22
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.3
SSE
4
Energy kJ
10
10
8
8
8
8
8
8
8
10
10
10
10
10
10
10
10
10
10
10
10
10
9
3
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
7
0.1
SE
7
0.1
SE
7
0.1
SE
6
0.1
SE
6
0.2
ESE
10
Energy kJ
2
2
2
2
2
2
9
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
E
6
Energy kJ
2
1
Wind waves
Height (m)
Direction
Period (s)
0.2
NNE
2
0.2
NNE
3
0.2
NNE
3
0.2
SSE
3
0.4
SE
4
0.4
SSE
4
0.6
S
4
Energy kJ
1
1
1
1
3
7
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
181
360
213
531
805
844
746
742
85
81
81
117
1949
2691
160
58
58
58
340
340
1945
653
71
64
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
2
1
2
2
2
3
3
2
3
3
1
1
2
3
2
4
4
4
2
4
Header Global
Rating
(10 max)
8
6
6
5
5
6
5
6
6
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
  • 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
How to use the Wavefinder 

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