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Surf Forecasts:

Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 6 am Wednesday 19 Nov 2025 EST
Forecast update in hr  min  s Forecast update imminent
Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nantasket Beach sea temperature is
10.0° C
 (Which is normal for this time of year)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 12PM is: 0.1m 13s primary swell from a East direction and 0.1m 10s secondary swell from a East direction (forecast issued at 06:00am November 19). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (19 Nov)0.5ft (0.1m)13s
Afternoon (19 Nov)0.5ft (0.1m)13s
Evening (19 Nov)0.5ft (0.1m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
19
Thursday
20
Friday
21
Sat
22
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 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
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.2
E
0.2
ESE
0.3
ESE
0.3
E
Period(s) (?)141313131313131212121211101010101010996666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)443333333332222222223487
Wind
(km/h)
10
W
10
W
10
WNW
10
NW
10
NNW
10
N
10
NNW
10
NNW
10
NNW
5
N
5
N
5
N
5
ENE
5
ESE
5
SW
10
WSW
10
SW
10
SW
15
SW
15
SW
15
SSW
20
SSW
20
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		crosscrossglassglassglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
10:19AM
2.92
10:56PM
2.57
10:55AM
2.92
11:34PM
2.54
11:32AM
2.90
12:12AM
2.50
Low Tide
/ height (m)
4:08AM
0.38
4:44PM
0.09
4:45AM
0.41
5:21PM
0.09
5:21AM
0.44
5:58PM
0.11
Wednesday
19
Thursday
20
Friday
21
Sat
22
Sunrise-6:37-------6:39-------6:39------
Sunset----4:17-------4:16-------4:16---
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
Rain (mm)
-----------------------1
Temp. °C1136764322455554335898910
Feels °C (?)-4-4-22320-1-2-2132220-1-1035456
  • 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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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.

View detailed surf forecast for Nantasket Beach at:
surf-forecast.com

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