Nantasket Beach Surf Break

Lat Long: 42.31° N 70.88° W

Nantasket Beach 48 hour detailed Surf Forecast

Issued: 12 am 11 Nov 2026 (local time)

Forecast update in  hr  min

Today's Nantasket Beach sea temperature is
12.5°C
1.4° 

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 Nov):

  • Morning surf: Morning surf (11 Nov, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (11 Nov, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Evening surf: Evening surf (11 Nov, local time) - 0.5ft (0.2m), 10s period with E swell.

The current surf forecast for Nantasket Beach at 9AM is: 0.2m 10s primary swell from a East direction (forecast issued at 12:00am November 11). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (11 Nov)0.5ft (0.2m)10s
Afternoon (11 Nov)0.5ft (0.2m)10s
Evening (11 Nov)0.5ft (0.2m)10s

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


Short Range Forecast

Heavy rain (total 61mm), heaviest during Thu night. Very mild (max 12°C on Wed morning, min 4°C on Fri afternoon). Winds increasing (light winds from the NW on Wed afternoon, strong winds from the N by Fri afternoon).

Wednesday
11
Thursday
12
Friday
13
Sat
14
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
1
1
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)
0.3
E
10
0.3
E
10
0.2
ESE
10
0.3
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
9
0.1
E
9
0.1
E
9
0.1
E
13
0.1
E
12
0.7
ENE
4
1.2
ENE
5
1.6
ENE
6
1.8
ENE
6
2
ENE
7
2.2
NE
7
2.2
NE
7
2.1
NE
7
1.9
NE
7
1.8
NE
7
1.7
NE
7
1.6
NE
7
1.5
NE
7
1.4
NE
7
Wave Graph
Metric surfscale
Energy kJ
18
17
10
17
7
7
7
7
7
2
2
3
3
15
64
166
263
378
489
529
465
405
331
301
258
210
173
Wind (km/h)
20
W
20
W
10
W
15
WNW
15
NW
5
NW
5
NNW
10
NE
5
ENE
10
E
10
E
15
ENE
20
E
30
E
30
ENE
25
ENE
15
E
10
ESE
10
NE
15
NNE
25
N
40
N
35
N
30
N
25
NNW
20
NNW
20
NNW
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
High Tide
00:07AM2.64m
12:07PM2.98m
00:47AM2.57m
12:47PM2.91m
1:28AM2.50m
1:29PM2.83m
2:10AM2.44m
Low Tide
5:56AM0.37m
6:34PM0.04m
6:37AM0.43m
7:14PM0.12m
7:18AM0.49m
7:55PM0.21m
clear
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:28
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
—
6:31
—
—
—
—
—
—
—
6:31
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
4:24
—
—
—
—
—
—
—
4:23
—
—
—
—
—
—
—
4:22
—
—
—
—
4:22
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
1
10
14
11
5
4
4
4
4
4
2
3
2
2
Temp °C
11
10
8
10
12
12
11
9
8
8
8
10
11
10
10
10
11
11
10
10
9
5
4
4
3
3
3
Feels °C
6
5
4
5
8
9
8
6
5
5
5
6
7
4
4
5
8
9
8
7
4
-4
-4
-3
-3
-3
-3
  • 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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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.


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