Nantasket Beach Surf Break
Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Weather Forecast for Nantasket Beach

Issued: 7 am 02 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
14.1° C

1.9°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 (02 Jun):

  • Morning surf: Morning surf (02 Jun, local time) - 2.5ft (0.8m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (02 Jun, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Evening surf: Evening surf (02 Jun, local time) - 2ft (0.6m), 9s period with E swell.

The current surf forecast for Nantasket Beach at 11AM is: 0.7m 9s primary swell from a East direction (forecast issued at 07:00am June 02). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (02 Jun)2.5ft (0.8m)9s
Afternoon (02 Jun)2.5ft (0.7m)9s
Evening (02 Jun)2ft (0.6m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu afternoon, min 13°C on Tue morning). Wind will be generally light.

Tuesday
2
Wednesday
3
Thursday
4
Fri
5
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)
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
E
8
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
8
0.2
E
8
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
12
0.1
E
11
0.2
E
11
0.2
ESE
10
0.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
90
103
79
78
60
60
43
43
28
28
27
16
16
15
14
5
5
5
1
3
2
9
10
8
Wind (km/h)
10
W
10
NW
5
NW
0
S
5
E
5
SW
10
NW
10
NNW
10
NNW
10
NW
5
WNW
5
ESE
10
SSE
20
SSW
20
SW
15
WSW
10
WSW
10
WSW
5
W
5
SSE
5
SE
10
WSW
10
W
10
W
Wind State
off
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
cross-off
cross-off
cross-off
off
off
glassy
glassy
cross-on
cross-off
off
off
High Tide
1:40PM2.54m
1:38AM2.89m
2:18PM2.52m
2:18AM2.85m
2:58PM2.51m
Low Tide
7:25AM0.13m
7:27PM0.50m
8:03AM0.17m
8:08PM0.52m
8:42AM0.20m
8:49PM0.53m
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
5:09
5:07
5:07
5:07
8:14
8:14
8:15
8:15
Temp °C
12
13
18
22
22
19
19
16
16
16
21
24
25
18
17
17
19
19
25
27
27
26
22
20
10
10
16
20
20
17
16
13
13
13
19
22
22
13
12
13
17
18
24
26
26
25
20
18
Swell 1
Height (m)
Direction
Period (s)
0.8
E
8
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
8
0.2
E
8
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
7
0.1
E
11
0.2
E
11
0.2
ESE
10
0.2
ESE
9
Energy kJ
90
103
79
78
60
60
43
43
28
28
27
16
16
15
14
5
5
5
1
1
2
9
10
8
Swell 2
Height (m)
Direction
Period (s)
0.1
E
9
0.1
SE
9
0.1
E
9
0.1
E
8
0.1
E
8
0.2
NNE
3
0.1
E
8
0.2
S
3
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
7
0.1
E
8
Energy kJ
2
3
1
1
1
1
1
1
1
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
12
0.1
E
9
0.1
E
5
0.1
E
5
0.1
E
5
0.1
E
12
0.1
E
8
0.1
E
7
0.1
E
7
Energy kJ
3
1
1
1
1
1
3
1
1
1
1
3
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
SSE
2
0.3
S
3
0.2
NNE
2
0.2
NNE
3
0.4
SSE
3
0.4
SSW
3
0.2
WSW
2
Energy kJ
1
1
1
1
2
2
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
3
1
1
1
1
Distance (km)
0
0
0
0
0
0
18
58
383
481
87
1230
1138
1232
108
108
984
984
984
1230
961
108
108
108
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
2
2
3
2
3
3
3
3
3
3
3
1
3
4
3
3
2
2
4
4
Header Global
Rating
(10 max)
5
4
5
4
5
5
5
5
4
5
5
5
5
5
5
4
5
4
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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