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Surf Forecasts:

Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 19 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
3.8° 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 7PM is: 0.5m 9s primary swell from a East direction and 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm March 19). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Mar)1.5ft (0.5m)9s
Afternoon (19 Mar)1.5ft (0.5m)9s
Evening (19 Mar)1.5ft (0.4m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
E
0.5
E
0.5
E
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.4
ESE
0.5
E
0.5
E
0.6
E
0.6
E
0.5
E
0.5
E
0.4
E
0.4
E
0.4
E
0.4
E
0.3
E
0.2
ESE
Period(s) (?)999998888889988888888878
Wave
Graph
(?)Metric surfscale
Energy kJ (?)42424026252424241414142539365050353320201918107
Wind
(km/h)
10
SSE
10
SSE
15
S
20
SSW
20
SSW
20
SW
15
WSW
10
W
10
SW
15
S
30
SSW
35
SW
35
SSW
20
SW
15
SW
15
WSW
25
NW
25
NNW
25
NNW
20
NNW
15
NW
10
NW
5
NNW
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		crosscross-
off		cross-
off		cross-
off		offoffcross-
off		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		glass
High Tide
/ height (m)
12:12PM
3.11
12:31AM
3.13
12:56PM
3.11
1:13AM
3.23
1:42PM
3.07
1:58AM
3.27
Low Tide
/ height (m)
6:20PM
-0.15
6:43AM
-0.27
7:02PM
-0.17
7:29AM
-0.34
7:45PM
-0.14
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-------6:47-------6:45-------6:43
Sunset--6:53-------6:54-------6:55-----
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light rain
cloud
cloud
Rain (mm)
-----------12--------1--
Temp. °C145211105997666778853222
Feels °C (?)-4-1-1-4-5-5-4-5141-1-2124011-2-3-3-2-2
  • 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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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.

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

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