Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 08 Apr 2026 EDT
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
5.3° C
(Which is slightly warmer than usual)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 3AM is: 0.4m 4s primary swell from a Northeast direction and 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm April 08). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Apr)0.5ft (0.2m)4s
Afternoon (09 Apr)1.5ft (0.4m)3s
Evening (09 Apr)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
Wednesday
08
Thursday
09
Friday
10
Saturday
11
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
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
Wave Height (m) & direction (?)
0.7
NE
0.6
NE
0.5
NE
0.4
NE
0.4
NE
0.1
E
0.1
E
0.4
SE
0.6
SE
0.5
SE
0.4
SE
0.4
SE
0.2
E
0.4
ESE
0.5
E
0.6
E
0.8
ESE
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
Period(s) (?)555549923444999988101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)27151155222774462539569263909292909087
Wind
(km/h)
10
E
15
SE
10
S
10
SSW
10
SSW
10
SSW
10
SSE
20
SSE
20
S
20
SSW
20
SSW
15
SSW
15
SW
15
SW
20
SSW
20
SSW
25
SSW
25
SSW
20
SW
20
WSW
20
NW
25
NNW
20
NNW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:40PM
2.33
4:48AM
2.59
5:34PM
2.27
5:44AM
2.54
6:28PM
2.27
6:40AM
2.54
Low Tide
/ height (m)
10:34PM
0.63
11:15AM
0.46
11:28PM
0.68
12:10PM
0.50
12:24AM
0.68
1:05PM
0.48
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunrise-----6:13-------6:11-------6:09--
Sunset7:15-------7:16-------7:17-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
clear
clear
Rain (mm)
------------------------
Temp. °C00000048831223101615111011116911
Feels °C (?)-5-5-5-4-5-4-121-3-5-3-3-251195467034
  • 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

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.


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