Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Issued: 7 pm 14 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
20.7° C
1.5° 

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 (14 Jul):

  • Afternoon surf: Afternoon surf (14 Jul, local time) - 0.5ft (0.1m), 9s period with E swell.
  • Evening surf: Evening surf (14 Jul, local time) - 0.5ft (0.1m), 9s period with E swell.

The current surf forecast for Nantasket Beach at 11PM is: 0.1m 9s primary swell from a East direction (forecast issued at 07:00pm July 14). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (14 Jul)--
Afternoon (14 Jul)0.5ft (0.1m)9s
Evening (14 Jul)0.5ft (0.1m)9s

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


Short Range Forecast

Mostly dry. Warm (max 34°C on Wed afternoon, min 20°C on Thu night). Wind will be generally light.

Tue
14
Wednesday
15
Thursday
16
Fri
17
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
5 AM
8 AM
11 AM
2 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)
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
16
0.1
E
16
0.5
N
4
0.1
E
16
0.1
E
16
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.5
N
4
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
14
Wave Graph
Metric surfscale
Energy kJ
2
2
2
2
2
2
2
2
5
5
7
5
5
4
4
4
4
4
5
8
5
4
4
4
Wind (km/h)
20
W
15
SW
15
WSW
15
WSW
20
W
20
WNW
20
WNW
20
NW
20
WNW
15
N
10
WNW
10
W
10
W
10
WNW
15
W
25
WNW
20
W
20
NNE
10
NNW
10
WNW
15
NW
15
NW
15
NW
10
NW
Wind State
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross
cross-off
off
off
off
off
off
off
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:54PM3.44m
12:38PM2.95m
00:50AM3.41m
1:32PM3.01m
1:45AM3.33m
Low Tide
5:37PM0.00m
6:24AM-0.38m
6:33PM-0.04m
7:17AM-0.37m
7:29PM-0.04m
8:08AM-0.31m
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:17
8:16
8:16
 mm
Temp °C
33
32
29
27
27
28
31
34
33
30
27
25
23
25
30
32
32
24
21
21
20
21
24
27
Feels °C
32
32
30
28
27
27
30
30
29
27
26
23
21
23
27
27
27
21
20
20
17
17
20
23
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nantasket Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest