Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 7 am 13 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
16.4° C

2.0°C warmer than 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 (13 Jun):

  • Morning surf: Morning surf (13 Jun, local time) - 0.5ft (0.2m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (13 Jun, local time) - 1ft (0.3m), 8s period with ESE swell.
  • Evening surf: Evening surf (13 Jun, local time) - 1ft (0.3m), 8s period with ESE swell.

The current surf forecast for Nantasket Beach at 1PM is: 0.2m 8s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a East-southeast direction, 0.2m 3s secondary swell from a North direction (forecast issued at 07:00am June 13). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (13 Jun)0.5ft (0.2m)8s
Afternoon (13 Jun)1ft (0.3m)8s
Evening (13 Jun)1ft (0.3m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 30°C on Sun afternoon, min 16°C on Mon night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tue
16
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
2 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ESE
8
0.2
E
8
0.2
ESE
8
0.2
E
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
ESE
8
0.2
E
8
0.5
S
4
0.5
S
4
0.2
E
8
0.2
E
8
0.5
SE
5
0.4
SE
5
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
7
0.3
E
7
0.3
E
7
Wave Graph
Metric surfscale
Energy kJ
14
6
7
5
13
13
13
13
13
13
6
5
7
9
5
5
10
10
5
5
4
4
9
8
Wind (km/h)
20
WNW
15
NNW
10
N
5
NNE
5
E
10
SSE
10
W
10
W
10
WSW
10
WSW
15
SSW
25
SSW
25
SSW
20
SSW
20
SSW
15
S
15
WSW
20
WNW
20
WNW
10
NW
10
NNW
5
NW
10
W
10
WNW
Wind State
cross-off
cross-off
cross
glassy
on
cross
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
10:06AM2.82m
10:18PM3.40m
11:02AM2.89m
11:12PM3.48m
11:57AM2.93m
00:07AM3.51m
Low Tide
3:53AM-0.20m
4:02PM0.09m
4:48AM-0.34m
4:56PM0.03m
5:43AM-0.41m
5:51PM-0.00m
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
mod rain
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:21
8:21
8:22
 mm
10
Temp °C
21
22
25
26
27
25
25
22
21
23
28
30
28
24
22
19
19
19
22
25
24
21
18
16
Feels °C
19
20
23
25
26
24
24
21
20
22
26
26
24
21
19
18
20
17
18
22
23
20
15
13
Swell 1
Height (m)
Direction
Period (s)
0.3
ESE
8
0.2
E
8
0.2
ESE
8
0.2
E
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
ESE
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.5
SE
5
0.4
SE
5
0.3
SE
5
0.2
E
8
0.2
E
8
0.2
E
7
0.3
E
7
0.3
E
7
Energy kJ
14
6
7
5
13
13
13
13
13
13
6
5
5
5
5
5
10
10
4
5
4
4
9
8
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
6
0.2
ESE
6
0.2
ESE
6
0.2
ESE
6
0.2
E
8
0.2
E
8
0.2
E
8
0.2
ESE
5
0.2
ESE
5
0.2
ESE
5
0.2
ESE
5
0.2
ESE
5
Energy kJ
4
4
4
4
5
5
5
2
2
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.2
NNE
3
0.1
E
6
0.1
SE
7
0.2
E
7
0.2
N
3
Energy kJ
1
1
2
4
1
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
2
0.3
NNW
3
0.2
N
3
0.4
SSE
3
0.5
S
4
0.5
S
4
0.5
S
3
0.5
SSE
3
0.3
WNW
2
0.3
NW
3
Energy kJ
1
1
1
2
7
9
4
5
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
133
108
108
108
108
2511
91
118
165
1838
1949
1953
2683
1299
480
64
36
55
67
88
102
85
100
58
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
2
3
3
3
3
3
3
2
1
3
3
3
3
3
2
2
3
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
4
4
5
5
5
5
5
4
4
5
5
5
5
4
5
4
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.


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