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Surf Forecasts:

Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 am Saturday 31 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
3.5° C
 (Which is slightly cooler than normal)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 4AM is: 0.1m 14s primary swell from a East direction (forecast issued at 12:00am January 31). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (31 Jan)0.5ft (0.1m)18s
Afternoon (31 Jan)0.5ft (0.1m)17s
Evening (31 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
Saturday
31
Sunday
01
Monday
02
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3
3
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
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
0.9
NNE
1.5
NNE
1.9
NNE
2.1
NNE
2.4
NE
2.5
NE
2.5
NE
2.4
ENE
2.3
ENE
2.1
ENE
2.1
ENE
1.8
ENE
1.7
ENE
1.4
ENE
Period(s) (?)14141414181717161616456778810101011111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)444466655531133279392582755868102810229591011787650478
Wind
(km/h)
20
WNW
15
WNW
15
WNW
10
WNW
10
WNW
10
WNW
5
NNW
15
N
15
N
20
N
30
NNE
35
N
35
N
35
NNE
35
N
30
NNW
25
NW
25
NW
20
NW
20
NW
20
NW
20
NW
20
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offoffcross-
off		offcross-
off		cross-
off		crosscrosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
9:12PM
2.61
9:26AM
3.19
10:08PM
2.73
10:21AM
3.26
11:01PM
2.83
11:13AM
3.27
Low Tide
/ height (m)
3:05AM
0.10
3:56PM
-0.24
4:02AM
0.00
4:48PM
-0.32
4:55AM
-0.07
5:37PM
-0.34
Saturday
31
Sunday
01
Monday
02
Sunrise---6:58-------6:56-------6:56----
Sunset------4:54-------4:57-------4:58-
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C-14-15-16-17-15-11-8-8-9-8-6-7-6-5-4-5-7-9-9-8-6-2-2-4
Feels °C (?)-21-21-22-23-21-16-13-14-15-15-14-16-16-15-14-14-15-17-16-15-13-8-8-10
  • 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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