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 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
12.7° C

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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 0.5ft (0.2m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 0.5ft (0.1m), 8s period with E swell.
  • Evening surf: Evening surf (04 Jun, local time) - 1.5ft (0.5m), 4s period with S swell.

The current surf forecast for Nantasket Beach at 1PM is: 0.1m 8s primary swell from a East direction (forecast issued at 07:00am June 04). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jun)0.5ft (0.2m)8s
Afternoon (04 Jun)0.5ft (0.1m)8s
Evening (04 Jun)1.5ft (0.5m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 19mm), heaviest on Sat night. Warm (max 31°C on Sat afternoon, min 18°C on Thu morning). Wind will be generally light.

Thursday
4
Friday
5
Saturday
6
Sun
7
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
E
8
0.1
E
8
0.1
E
8
0.4
SSE
4
0.5
S
4
0.2
ESE
10
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.3
ESE
10
0.3
ESE
10
0.3
ESE
9
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
E
10
0.3
ESE
8
0.2
E
10
0.3
ESE
8
Wave Graph
Metric surfscale
Energy kJ
5
5
1
1
6
10
10
8
7
7
7
7
7
6
20
18
16
14
14
14
10
11
7
11
Wind (km/h)
15
SSW
10
SW
10
SW
15
S
20
SSW
20
SSW
15
SW
15
WSW
10
WSW
10
W
5
NW
5
SE
10
ESE
5
SSE
10
WSW
10
SW
10
SW
15
SW
20
SW
20
WSW
20
SW
10
S
20
W
15
SW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
glassy
glassy
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
off
cross-off
High Tide
2:18AM2.85m
2:58PM2.51m
3:00AM2.80m
3:40PM2.51m
3:44AM2.75m
4:24PM2.54m
Low Tide
8:42AM0.20m
8:49PM0.53m
9:22AM0.23m
9:33PM0.54m
10:05AM0.26m
10:21PM0.53m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
cloud
mod rain
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:07
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:15
8:15
8:16
 mm
6
9
4
Temp °C
17
18
25
29
27
22
20
20
20
20
25
28
26
25
24
22
20
22
29
31
30
20
20
19
Feels °C
14
15
23
26
23
19
18
18
18
18
24
27
24
24
22
21
18
20
26
27
28
22
19
19
Swell 1
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
7
0.1
E
8
0.1
E
11
0.2
SSE
4
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
3
0.3
ESE
10
0.3
ESE
10
0.3
ESE
9
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
ESE
8
0.4
SE
5
0.2
SSE
4
0.3
ESE
8
Energy kJ
5
5
1
1
1
2
1
8
7
7
7
7
7
1
20
18
16
14
14
14
6
6
2
11
Swell 2
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
11
0.1
E
8
0.2
ESE
10
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.2
ESE
8
0.2
ESE
3
0.1
E
7
0.1
E
7
0.1
E
7
0.2
E
10
0.3
ESE
8
0.2
ESE
8
0.1
SE
4
Energy kJ
1
1
1
1
2
1
10
2
2
2
2
2
6
1
1
1
1
7
11
6
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
5
0.1
E
6
0.1
E
5
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
5
0.1
E
5
0.1
E
5
0.1
E
11
0.2
E
10
0.2
E
10
0.1
S
5
Energy kJ
3
1
1
1
1
1
1
1
1
1
2
7
7
1
Wind waves
Height (m)
Direction
Period (s)
0.2
SSW
2
0.4
SSE
4
0.5
S
4
0.3
SW
2
0.2
WSW
2
0.4
SE
3
0.3
SW
2
0.3
SW
2
0.5
S
4
0.3
SW
3
0.4
SW
2
0.4
SW
3
Energy kJ
1
6
10
1
1
2
1
1
10
1
2
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
618
750
984
1232
1232
55
55
64
108
108
108
186
478
340
58
55
55
55
58
55
55
55
160
108
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
4
3
1
1
3
2
4
4
4
4
2
3
2
3
3
3
3
1
3
1
1
1
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
9
9
9
9
8
8
8
9
9
9
9
9
6
6
6
8
  • 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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