Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 7 am 11 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
16.0° C

2.1°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 (11 Jun):

  • Morning surf: Morning surf (11 Jun, local time) - 0.5ft (0.1m), 5s period with SE swell.
  • Afternoon surf: Afternoon surf (11 Jun, local time) - 0.5ft (0.2m), 8s period with ESE swell.
  • Evening surf: Evening surf (11 Jun, local time) - 0.5ft (0.2m), 9s period with ESE swell.

The current surf forecast for Nantasket Beach at 2PM is: 0.2m 8s primary swell from a East-southeast direction (forecast issued at 07:00am June 11). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (11 Jun)0.5ft (0.1m)5s
Afternoon (11 Jun)0.5ft (0.2m)8s
Evening (11 Jun)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 2mm), mostly falling on Thu night. Warm (max 29°C on Thu afternoon, min 17°C on Fri night). Wind will be generally light.

Thursday
11
Friday
12
Saturday
13
Sun
14
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
2 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
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
5
0.1
E
8
0.1
E
7
0.2
ESE
8
0.1
E
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
8
0.2
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
ESE
8
0.2
ESE
8
0.3
ESE
8
0.2
ESE
8
0.2
ESE
8
Wave Graph
Metric surfscale
Energy kJ
14
1
1
6
3
7
7
8
8
7
7
7
7
7
7
14
14
14
14
7
7
13
6
6
Wind (km/h)
10
SSW
15
WSW
10
W
0
NW
5
E
5
SE
10
W
10
WNW
10
SW
10
W
0
NE
15
ENE
10
E
10
NE
10
N
10
N
10
N
15
N
15
NNE
15
E
10
ESE
10
S
10
SSW
10
S
Wind State
cross-off
cross-off
off
glassy
on
cross-on
off
off
cross-off
off
glassy
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
cross
cross-off
cross
High Tide
8:10AM2.69m
8:31PM3.12m
9:09AM2.75m
9:25PM3.28m
10:06AM2.82m
10:18PM3.40m
Low Tide
2:12PM0.20m
2:57AM-0.04m
3:07PM0.15m
3:53AM-0.20m
4:02PM0.09m
light rain
part cloud
clear
clear
clear
rain showers
rain showers
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:20
8:20
8:21
 mm
1
1
1
Temp °C
18
20
28
29
28
23
24
23
22
25
28
25
22
19
17
17
17
17
21
22
21
19
20
19
Feels °C
19
21
29
31
30
25
26
25
24
27
31
25
23
20
17
17
17
16
21
21
21
19
20
19
Swell 1
Height (m)
Direction
Period (s)
0.2
SSE
4
0.1
SE
4
0.1
SE
5
0.2
ESE
8
0.1
SE
8
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
8
0.2
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
ESE
8
0.2
ESE
8
0.3
ESE
8
0.2
ESE
8
0.3
E
4
Energy kJ
1
1
1
6
3
7
7
7
7
7
7
7
7
7
7
14
14
14
14
7
7
13
6
2
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
5
0.1
SE
5
0.1
E
7
0.1
E
9
0.2
ESE
3
0.2
ESE
3
0.1
SE
4
0.2
ESE
9
0.2
SSE
6
0.1
E
7
0.1
E
6
0.2
ESE
3
0.2
ESE
8
0.3
SE
6
0.3
SE
6
0.1
SE
5
0.2
ENE
3
0.2
E
3
0.2
ESE
8
Energy kJ
1
1
1
2
1
1
1
8
3
1
1
1
7
6
6
1
1
1
6
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.2
ESE
9
0.1
E
7
Energy kJ
1
1
8
1
Wind waves
Height (m)
Direction
Period (s)
0.5
S
5
0.3
SE
3
0.2
ESE
3
0.3
SE
3
0.3
N
2
0.4
NNE
3
0.3
NNE
3
0.2
NNE
3
0.3
ENE
3
Energy kJ
14
1
1
2
1
3
2
1
2
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)
113
102
85
100
102
110
85
91
91
113
113
228
351
113
117
133
133
118
181
160
160
181
58
165
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
2
2
2
3
3
3
3
3
3
1
2
2
3
3
3
3
2
1
2
2
3
Header Global
Rating
(10 max)
7
6
6
6
6
6
6
7
7
9
9
8
7
5
4
5
5
5
5
4
5
4
4
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

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