Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 1 pm 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
19.9° C

1.6°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 (06 Jul):

  • Morning surf: Morning surf (06 Jul, local time) - 0.5ft (0.2m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (06 Jul, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Evening surf: Evening surf (06 Jul, local time) - 0.5ft (0.2m), 10s period with E swell.

The current surf forecast for Nantasket Beach at 8PM is: 0.2m 10s primary swell from a East direction and 0.1m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm July 06). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (06 Jul)0.5ft (0.2m)10s
Afternoon (06 Jul)0.5ft (0.2m)10s
Evening (06 Jul)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

Heavy rain (total 36mm), heaviest during Tue afternoon. Warm (max 27°C on Thu morning, min 17°C on Mon night). Wind will be generally light.

Mon
6
Tuesday
7
Wednesday
8
Thu
9
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
5 AM
8 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
Wave
Height (m)
Direction
Period (s)
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
E
10
0.7
ESE
4
0.9
E
5
1.1
E
5
1.2
E
6
1.4
E
7
1.5
E
7
1.3
E
7
1.3
ESE
7
1.1
E
7
1.1
E
7
1
E
7
0.9
E
7
0.9
E
7
0.8
E
7
0.8
E
7
0.7
E
7
Wave Graph
Metric surfscale
Energy kJ
7
8
8
8
8
8
7
9
21
37
67
102
168
225
176
172
130
130
108
86
86
66
68
53
Wind (km/h)
10
SE
10
SE
10
SSE
10
ESE
10
ESE
15
ESE
20
E
20
E
25
ENE
25
ENE
25
ENE
25
ENE
20
NE
25
NE
20
NNE
20
NE
15
ENE
10
ENE
10
ESE
15
SSE
15
SSW
20
SW
20
WSW
20
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
High Tide
4:33PM2.79m
4:51AM2.71m
5:21PM2.87m
5:45AM2.65m
6:11PM2.97m
6:42AM2.62m
Low Tide
10:15AM0.16m
10:42PM0.31m
11:01AM0.18m
11:36PM0.25m
11:51AM0.21m
00:33AM0.17m
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
mod rain
mod rain
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:21
 mm
1
2
3
7
6
8
8
1
Temp °C
20
20
19
19
20
17
17
17
17
17
17
17
18
18
18
18
19
20
21
20
19
18
19
22
Feels °C
20
19
18
19
19
16
15
15
15
14
14
14
17
16
16
16
18
20
21
19
17
16
18
22
Swell 1
Height (m)
Direction
Period (s)
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
E
10
0.2
E
10
0.2
E
9
1.3
E
7
1.2
E
7
1.3
ESE
7
1.1
E
7
1.1
E
7
1
E
7
0.9
E
7
0.9
E
7
0.8
E
7
0.8
E
7
0.7
E
7
Energy kJ
7
8
8
8
8
8
7
7
7
7
154
143
172
130
130
108
86
86
66
68
53
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
4
0.1
SE
7
0.1
E
10
Energy kJ
1
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
3
0.1
SE
4
0.2
ESE
3
0.3
ESE
3
0.4
SE
4
0.5
ESE
4
0.7
ESE
4
0.9
E
5
1.1
E
5
1.2
E
6
1.4
E
7
1.5
E
7
1.3
E
7
1.2
E
7
0.4
NNE
4
Energy kJ
1
1
1
2
3
9
21
37
67
102
168
225
176
155
5
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)
844
98
1238
984
840
470
446
439
117
117
276
276
117
117
67
32
32
32
32
26
26
26
26
26
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
1
2
1
1
3
3
3
3
3
1
1
1
3
3
3
1
2
1
1
3
3
1
3
Header Global
Rating
(10 max)
9
8
8
8
7
6
7
5
5
7
9
9
9
8
7
6
8
9
9
8
7
6
6
6
  • 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 

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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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