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Surf Forecasts:

Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 am Sunday 25 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
4.0° C
 (Which is slightly cooler than normal)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 5AM is: 0.2m 10s primary swell from a East direction and 0.4m 4s secondary swell from a North direction (forecast issued at 12:00am January 25). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (25 Jan)0.5ft (0.2m)10s
Afternoon (25 Jan)2ft (0.6m)4s
Evening (25 Jan)6ft (1.8m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
25
Monday
26
Tuesday
27
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
1
2
2
2
1
1
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
E
0.2
E
0.5
N
0.2
E
0.2
E
0.2
ESE
0.6
E
1.4
E
2.1
E
2.5
E
3
ENE
3
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.1
ENE
1.7
ENE
1.4
ENE
1.2
ENE
0.9
ENE
0.6
E
0.5
ENE
0.4
ENE
0.3
ENE
Period(s) (?)11115101011456789999999989999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)991088119104365675117312321121109898270245430120310357432615
Wind
(km/h)
20
NW
15
NW
15
NNW
15
NNW
5
N
10
NNE
15
NE
35
E
40
E
40
ENE
40
ENE
35
NE
30
NNE
25
N
20
N
20
NW
30
WNW
35
WNW
30
WNW
25
WNW
20
W
20
W
15
SW
20
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
on		cross-
on		ononcross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
off		offoffoffoffoffoffcross-
off		cross-
off
High Tide
/ height (m)
3:24AM
2.90
3:50PM
2.67
4:17AM
2.93
4:50PM
2.56
5:14AM
2.95
5:53PM
2.48
Low Tide
/ height (m)
9:06PM
0.01
9:40AM
0.07
9:57PM
0.09
10:40AM
0.08
10:53PM
0.18
11:42AM
0.07
Sunday
25
Monday
26
Tuesday
27
Sunrise----7:03-------7:01-------7:01---
Sunset------4:47-------4:49-------4:50-
part cloud
part cloud
cloud
cloud
cloud
light snow
mod snow
mod snow
mod snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
snow showers
clear
clear
clear
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C-14-13-14-13-12-10-7-3-2-1-1-1-2-3-3-5-7-10-11-12-11-7-7-8
Feels °C (?)-22-19-20-19-16-15-13-12-12-11-11-10-10-10-9-12-16-20-20-20-19-14-13-15
  • 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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