Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Issued: 7 pm 25 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
13.2°C
0.1° 

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 (26 Oct):

  • Morning surf: Morning surf (26 Oct, local time) - 1.5ft (0.4m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (26 Oct, local time) - 1.5ft (0.4m), 10s period with E swell.
  • Evening surf: Evening surf (26 Oct, local time) - 1ft (0.3m), 9s period with ENE swell.

The current surf forecast for Nantasket Beach at 1AM is: 0.5m 11s primary swell from a East direction and 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 07:00pm October 25). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Oct)1.5ft (0.4m)10s
Afternoon (26 Oct)1.5ft (0.4m)10s
Evening (26 Oct)1ft (0.3m)9s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 5°C on Tue night). Wind will be generally light.

Sun
25
Monday
26
Tuesday
27
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
1
1
0
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
Wave
Height (m)
Direction
Period (s)
0.6
ENE
12
0.6
E
11
0.6
E
11
0.5
E
11
0.5
E
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
E
10
0.3
ENE
9
0.3
ENE
9
0.2
ENE
9
0.5
NNE
4
1.1
NE
6
1.1
NE
6
1
NE
6
0.8
NE
6
0.7
NE
6
0.6
NE
6
Wave Graph
Metric surfscale
Energy kJ
106
89
86
58
56
33
32
31
28
17
17
8
8
67
90
62
38
35
29
Wind (km/h)
10
SSE
15
SSW
15
SW
15
SW
15
WSW
10
WSW
15
WSW
15
W
15
WNW
15
WNW
20
NNW
20
NNW
20
N
20
NNE
15
NNE
10
NE
5
E
5
S
5
W
Wind State
cross
cross-off
cross-off
cross-off
off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
on
glassy
glassy
High Tide
11:24PM2.96m
11:36AM3.28m
00:10AM2.98m
12:20PM3.37m
Low Tide
5:12PM-0.16m
5:24AM0.00m
5:57PM-0.28m
6:08AM-0.02m
6:45PM-0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:07
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7:09
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
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5:45
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5:44
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 mm
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Temp °C
16
14
13
12
11
11
14
19
20
17
13
11
9
8
8
9
9
8
7
Feels °C
12
10
9
7
6
7
10
14
16
14
9
5
4
3
4
5
6
5
4
  • 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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