Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 1 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
18.5° C

Slightly warmer than usual

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 (02 Jul):

  • Morning surf: Morning surf (02 Jul, local time) - 0.5ft (0.2m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (02 Jul, local time) - 0.5ft (0.2m), 9s period with ESE swell.
  • Evening surf: Evening surf (02 Jul, local time) - 0.5ft (0.2m), 9s period with ESE swell.

The current surf forecast for Nantasket Beach at 7AM is: 0.2m 10s primary swell from a East-southeast direction (forecast issued at 01:00am July 02). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (02 Jul)0.5ft (0.2m)10s
Afternoon (02 Jul)0.5ft (0.2m)9s
Evening (02 Jul)0.5ft (0.2m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Sat night. Warm (max 36°C on Thu afternoon, min 22°C on Sat night). Wind will be generally light.

Thursday
2
Friday
3
Saturday
4
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
11 AM
2 PM
5 PM
8 PM
11 PM
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
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
9
0.4
SSE
5
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
9
9
9
9
8
8
8
8
8
8
8
8
8
9
9
9
9
8
8
8
8
8
8
8
Wind (km/h)
15
SW
15
SW
15
WSW
10
W
5
W
5
WSW
10
ESE
10
W
10
W
15
W
15
WNW
15
NW
5
NW
5
SSW
15
W
15
NW
10
W
15
WSW
15
WNW
15
WNW
15
W
15
WNW
5
WSW
10
WSW
Wind State
cross-off
cross-off
cross-off
off
off
cross-off
on
off
off
off
cross-off
cross-off
cross-off
glassy
off
cross-off
off
off
off
off
off
cross-off
glassy
cross-off
High Tide
1:16AM2.91m
1:54PM2.56m
1:55AM2.90m
2:31PM2.60m
2:34AM2.87m
3:09PM2.65m
Low Tide
7:39AM0.13m
7:43PM0.44m
8:16AM0.12m
8:24PM0.41m
8:53AM0.12m
9:06PM0.39m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
 mm
3
3
Temp °C
24
24
28
34
36
36
28
30
28
26
28
33
36
35
35
30
27
26
28
32
33
33
26
24
Feels °C
26
26
30
35
37
37
30
31
30
27
28
32
36
36
35
31
29
28
28
32
33
33
29
26
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
9
0.2
ESE
9
0.2
SSE
5
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
Energy kJ
9
9
9
9
8
8
2
8
8
8
8
8
8
9
9
9
9
8
8
8
8
8
8
8
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
4
0.3
SSE
5
0.2
ESE
9
0.1
SE
4
0.1
E
7
0.1
E
7
0.1
SE
5
0.2
WNW
2
Energy kJ
1
4
8
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.2
S
3
0.1
SE
5
0.1
E
7
0.1
E
7
Energy kJ
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
5
0.2
SSE
5
0.2
WNW
2
0.2
NNW
2
0.4
N
3
Energy kJ
8
2
1
1
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
64
72
108
186
1237
1237
653
100
93
113
133
160
498
653
340
93
160
98
181
160
531
531
531
399
Best forecast wave conditions in Massachusetts
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
7
7
6
6
7
7
8
9
9
6
7
5
5
5
5
5
7
5
5
5
5
5
5
9
  • 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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