Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Issued: 1 pm 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
19.1° C
0.3° 

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 (10 Jul):

  • Morning surf: Morning surf (10 Jul, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (10 Jul, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Evening surf: Evening surf (10 Jul, local time) - 1.5ft (0.4m), 8s period with E swell.

The current surf forecast for Nantasket Beach at 8PM is: 0.4m 8s primary swell from a East direction (forecast issued at 01:00pm July 10). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (10 Jul)1.5ft (0.5m)8s
Afternoon (10 Jul)1.5ft (0.5m)8s
Evening (10 Jul)1.5ft (0.4m)8s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Fri afternoon, min 19°C on Sat night). Wind will be generally light.

Fri
10
Saturday
11
Sunday
12
Mon
13
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)
0.5
E
8
0.5
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.4
E
7
0.4
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.3
E
8
0.2
E
8
0.2
E
8
0.5
NE
4
0.5
NE
4
0.4
NE
4
0.4
NE
4
0.3
ENE
4
0.1
E
10
0.1
E
10
Wave Graph
Metric surfscale
Energy kJ
33
32
20
19
18
17
17
9
9
10
10
9
9
10
10
5
5
7
7
4
4
3
2
2
Wind (km/h)
15
NW
5
NW
5
WNW
5
ENE
10
NNE
10
NNE
10
N
10
NNE
15
NE
10
ENE
10
SE
10
S
10
SSW
0
NE
10
N
10
N
15
ENE
15
E
10
E
10
SE
10
SSW
15
SW
10
WSW
15
SW
Wind State
cross-off
cross-off
glassy
glassy
cross
cross
cross
cross-on
cross-on
on
cross-on
cross
cross-off
glassy
cross
cross
cross-on
on
on
cross-on
cross-off
cross-off
off
cross-off
High Tide
8:01PM3.15m
8:45AM2.63m
9:01PM3.24m
9:48AM2.70m
10:00PM3.34m
Low Tide
1:41PM0.24m
2:33AM-0.03m
2:41PM0.21m
3:35AM-0.15m
3:42PM0.14m
4:33AM-0.26m
part cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:20
8:20
8:19
 mm
Temp °C
27
29
28
25
23
22
20
20
21
21
22
21
21
20
19
19
20
21
21
20
19
19
19
19
Feels °C
26
29
29
26
23
20
18
18
19
19
20
20
19
20
18
18
17
18
19
17
16
16
17
17
  • 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

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