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Surf Forecasts:

Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 6 am Thursday 29 Jan 2026 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
3.7° C
 (Which is slightly cooler than normal)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 3PM is: 0.5m 5s primary swell from a Northeast direction and 0.1m 16s secondary swell from a East direction (forecast issued at 06:00am January 29). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (29 Jan)0.5ft (0.1m)15s
Afternoon (29 Jan)1.5ft (0.5m)5s
Evening (29 Jan)0.5ft (0.1m)16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
29
Friday
30
Saturday
31
Sun
01
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
0.5
NE
0.4
NE
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
NNE
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
Period(s) (?)91416165516151515151515151414141441717161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2455126555554444444266555
Wind
(km/h)
15
NW
15
WNW
20
NW
20
WNW
20
W
20
W
25
W
25
WNW
25
W
25
W
25
W
25
W
25
W
20
W
20
WNW
15
W
15
W
10
W
10
WNW
10
WNW
10
NNW
15
NNW
15
N
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
7:20AM
3.02
8:10PM
2.51
8:26AM
3.10
9:12PM
2.61
9:26AM
3.19
10:08PM
2.73
Low Tide
/ height (m)
1:56PM
-0.03
2:03AM
0.20
2:59PM
-0.14
3:05AM
0.10
3:56PM
-0.24
Thursday
29
Friday
30
Saturday
31
Sun
01
Sunrise--7:00------6:58-------6:58------
Sunset----4:52-------4:53-------4:54---
cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C-9-11-9-6-6-9-10-12-15-17-15-11-10-12-14-15-16-16-14-10-8-8-9-8
Feels °C (?)-16-17-16-13-13-16-18-20-24-26-24-19-18-19-21-21-22-22-20-15-13-14-15-15
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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