Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 am Saturday 11 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
5.4° C
(Which is slightly warmer than usual)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 4PM is: 0.7m 9s primary swell from a East direction (forecast issued at 07:00am April 11). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (11 Apr)2.5ft (0.7m)9s
Afternoon (11 Apr)2.5ft (0.7m)9s
Evening (11 Apr)2.5ft (0.7m)9s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tue
14
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
ESE
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.5
E
0.5
E
0.4
E
0.4
E
0.4
E
0.3
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
Period(s) (?)999999999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)777676767878767676565757575739382424241726272828
Wind
(km/h)
15
WSW
20
NW
25
NW
25
NW
25
NNW
20
NNW
20
NW
20
NW
15
NW
10
NNW
5
E
10
SE
15
SE
20
S
20
SSW
20
S
30
SSW
30
SW
25
SW
20
SSW
25
WSW
20
WSW
20
W
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
cross-
on
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoff
High Tide
/ height (m)
6:40AM
2.54
7:23PM
2.32
7:37AM
2.59
8:16PM
2.44
8:32AM
2.68
9:06PM
2.61
Low Tide
/ height (m)
1:05PM
0.48
1:21AM
0.61
1:59PM
0.41
2:17AM
0.49
2:50PM
0.30
Saturday
11
Sunday
12
Monday
13
Tue
14
Sunrise-6:09-------6:07-------6:05------
Sunset----7:20-------7:21-------7:22---
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
cloud
light rain
clear
clear
Rain (mm)
---------------22----2--
Temp. °C10981212107443591076479141819171715
Feels °C (?)6415531-2-1-125510-20291415151513
  • 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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