Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Issued: 7 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
15.4° C

2.0°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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 0.5ft (0.2m), 5s period with ENE swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 0.5ft (0.1m), 8s period with E swell.
  • Evening surf: Evening surf (09 Jun, local time) - 0.5ft (0.1m), 9s period with E swell.

The current surf forecast for Nantasket Beach at 2PM is: 0.1m 6s primary swell from a East direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am June 09). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Jun)0.5ft (0.2m)5s
Afternoon (09 Jun)0.5ft (0.1m)8s
Evening (09 Jun)0.5ft (0.1m)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 5mm), mostly falling on Wed night. Warm (max 30°C on Tue afternoon, min 16°C on Thu night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Fri
12
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)
0.2
E
8
0.2
ENE
5
0.2
E
6
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
8
0.1
E
9
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.5
S
3
0.4
S
3
0.3
S
4
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
9
0.2
ESE
7
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
5
2
3
1
1
2
1
2
1
1
1
1
4
3
3
1
1
1
1
2
5
7
7
7
Wind (km/h)
20
SW
20
WSW
15
WSW
15
WSW
15
WSW
25
SW
20
SW
15
SW
15
SW
20
SW
20
SW
20
SW
25
SW
20
SW
15
SSW
15
SSW
15
SW
15
WSW
10
NW
15
ENE
15
ESE
10
ESE
5
E
10
E
Wind State
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross-on
cross-on
glassy
on
High Tide
6:16AM2.66m
6:47PM2.83m
7:12AM2.66m
7:37PM2.97m
8:10AM2.69m
8:31PM3.12m
Low Tide
12:27PM0.25m
1:02AM0.28m
1:18PM0.23m
1:59AM0.13m
2:12PM0.20m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
cloud
part cloud
part cloud
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>
8:17
8:19
8:19
8:20
 mm
1
3
1
Temp °C
16
18
24
28
30
24
19
18
17
20
27
30
24
20
18
19
19
21
28
24
24
20
19
17
Feels °C
13
14
21
25
27
20
15
15
14
18
25
28
22
19
18
20
20
22
29
25
25
21
21
18
Swell 1
Height (m)
Direction
Period (s)
0.3
ENE
5
0.2
ENE
5
0.2
E
6
0.1
E
6
0.1
E
7
0.1
E
7
0.2
SSE
4
0.1
E
7
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
8
0.1
SE
4
0.1
SE
5
0.1
SE
6
0.1
SE
6
0.2
ESE
7
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
Energy kJ
5
2
3
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
5
7
7
7
Swell 2
Height (m)
Direction
Period (s)
0.2
E
8
0.1
E
8
0.1
NE
5
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
7
0.1
E
7
0.1
S
5
0.1
E
8
0.1
E
7
0.1
E
7
0.1
E
6
0.1
E
9
0.1
SE
5
0.1
SE
5
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
10
0.2
ESE
8
0.1
SE
5
Energy kJ
5
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
2
2
7
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
8
0.1
NE
4
0.1
E
7
0.1
E
8
0.1
E
9
0.1
E
8
0.1
S
5
0.1
E
8
0.2
E
9
Energy kJ
1
1
1
1
1
1
2
1
1
1
6
Wind waves
Height (m)
Direction
Period (s)
0.3
WSW
2
0.4
SSW
2
0.4
SW
2
0.3
SW
2
0.3
SW
2
0.3
SW
2
0.2
SSW
2
0.3
SSW
2
0.5
S
3
0.4
S
3
0.3
S
4
0.2
S
4
Energy kJ
1
2
2
1
1
1
1
1
4
3
3
1
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
2
1
1
1
Distance (km)
383
542
549
2691
578
653
55
67
108
1104
1104
2691
1563
71
64
69
64
336
85
85
210
110
90
90
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
3
4
4
4
4
4
3
1
3
3
4
4
3
3
3
2
2
3
3
Header Global
Rating
(10 max)
7
6
5
6
5
5
5
4
5
6
7
8
9
8
7
7
7
6
6
5
5
5
5
7
  • 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
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