Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Friday 27 Mar 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
4.0° 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 6PM is: 0.9m 6s primary swell from a Northeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 01:00pm March 27). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Mar)1ft (0.3m)8s
Afternoon (27 Mar)2ft (0.6m)4s
Evening (27 Mar)3ft (0.9m)6s

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


Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
29
Monday
30
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
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 (?)
0.3
SE
0.6
N
0.9
NE
0.9
NE
0.8
NE
0.7
NE
0.8
NE
0.9
NE
1.1
NE
0.9
NE
0.8
NE
0.6
NE
0.6
ENE
0.5
ENE
0.6
NE
0.3
E
0.3
E
0.4
E
0.4
E
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
Period(s) (?)846655556655565668887788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)111146544127304367523421191818762020191791012
Wind
(km/h)
30
NNW
20
NNW
15
NE
10
ENE
10
NNE
15
NNW
20
NE
20
NNE
15
NNE
10
NE
5
NE
0
SW
20
WNW
15
NW
10
W
10
WSW
10
WSW
15
SW
25
SW
25
SSW
25
SSW
20
SW
20
SW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
oncross-
on
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
7:44PM
2.50
8:04AM
2.83
8:52PM
2.59
9:12AM
2.88
9:51PM
2.72
Low Tide
/ height (m)
1:26PM
0.17
1:41AM
0.38
2:34PM
0.15
2:50AM
0.29
3:35PM
0.08
3:51AM
0.17
Friday
27
Saturday
28
Sunday
29
Monday
30
Sunrise-------6:33-------6:31-------6:30
Sunset--7:02-------7:04-------7:05-----
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
cloud
light snow
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C554220-1-3-30121-1-1-127833444
Feels °C (?)-3-2-2-3-3-6-7-9-9-5-3-2-6-7-6-7-310-5-4-2-2-1
  • 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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