Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Issued: 1 pm 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
20.4° C
1.9° 

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 (08 Jul):

  • Morning surf: Morning surf (08 Jul, local time) - 4ft (1.2m), 7s period with E swell.
  • Afternoon surf: Afternoon surf (08 Jul, local time) - 4ft (1.2m), 8s period with E swell.
  • Evening surf: Evening surf (08 Jul, local time) - 3.5ft (1.1m), 8s period with E swell.

The current surf forecast for Nantasket Beach at 6PM is: 1.1m 8s primary swell from a East direction (forecast issued at 01:00pm July 08). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (08 Jul)4ft (1.2m)7s
Afternoon (08 Jul)4ft (1.2m)8s
Evening (08 Jul)3.5ft (1.1m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 31°C on Thu afternoon, min 20°C on Wed night). Wind will be generally light.

Wed
8
Thursday
9
Friday
10
Sat
11
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
1
1
1
1
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)
1.4
ENE
7
1.3
E
7
1.2
E
8
1.1
E
8
1
E
8
0.9
E
8
0.8
E
7
0.8
E
7
0.8
E
7
0.8
E
8
0.7
E
8
0.7
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.4
E
7
0.3
SE
10
Wave Graph
Metric surfscale
Energy kJ
214
186
164
138
110
89
69
69
69
72
55
55
41
44
33
33
32
31
19
19
18
18
17
17
Wind (km/h)
15
NE
10
ENE
10
ESE
15
SSE
20
SSW
15
SW
15
WSW
15
WSW
15
WSW
15
WSW
20
SSW
25
SW
20
SW
15
SW
15
SW
10
W
10
NNW
10
ENE
10
ESE
5
ESE
5
ENE
5
NNW
15
NNE
15
NNE
Wind State
cross-on
on
on
cross
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-on
on
cross-on
glassy
cross-off
cross
cross-on
High Tide
6:11PM2.97m
6:42AM2.62m
7:04PM3.06m
7:42AM2.60m
8:01PM3.15m
Low Tide
11:51AM0.21m
00:33AM0.17m
12:44PM0.23m
1:31AM0.08m
1:41PM0.24m
2:33AM-0.03m
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
rain showers
cloud
clear
clear
cloud
part cloud
cloud
rain showers
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:21
8:20
 mm
1
1
2
Temp °C
20
21
22
21
20
20
20
22
29
31
30
25
22
21
21
23
28
26
24
22
21
20
20
20
Feels °C
20
20
21
19
18
19
19
22
29
31
30
25
22
22
22
25
29
27
25
24
23
22
19
19
  • 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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