Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 pm Sunday 01 Mar 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
1.9° C
(Which is 1.4°C colder than average for this time of year)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 5PM is: 0.7m 5s primary swell from a North-northeast direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 12:00pm March 01). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (01 Mar)1.5ft (0.5m)3s
Afternoon (01 Mar)2.5ft (0.7m)4s
Evening (01 Mar)3ft (0.9m)5s

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


Updates in  hr  min  s Forecast update imminent
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
N
0.6
N
0.7
NNE
0.9
NNE
1
NNE
0.9
NNE
0.9
NNE
1
NNE
0.7
NE
0.5
NE
0.5
NE
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.2
ESE
0.2
ESE
0.2
ESE
0.5
SE
0.6
SE
0.5
SE
0.4
SE
Period(s) (?)344556666558888879994556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)51121466050498031131212111010109888819128
Wind
(km/h)
20
NNW
25
NNW
20
NNW
25
NNW
25
NNW
20
NNW
20
NNW
15
NNW
15
NNW
10
NW
5
WNW
5
SSE
10
SW
10
SW
15
SW
15
SSW
20
SSW
20
SSW
15
SSW
10
SSE
5
ENE
5
NNW
10
WSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossglasscross-
off
cross-
off
off
High Tide
/ height (m)
9:20AM
3.06
9:57PM
2.77
10:12AM
3.12
10:44PM
2.89
11:00AM
3.14
11:27PM
2.96
Low Tide
/ height (m)
3:44PM
-0.12
3:54AM
0.02
4:32PM
-0.18
4:44AM
-0.07
5:16PM
-0.20
5:31AM
-0.11
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Sunrise-------6:16-------6:16-------6:13
Sunset--5:31-------5:34-------5:35-----
cloud
light snow
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light snow
light snow
light snow
light snow
clear
Rain (mm)
------------------------
Temp. °C0-10-4-7-10-12-12-11-7-4-3-4-5-5-5-31101013
Feels °C (?)-6-8-7-11-15-18-19-18-17-12-8-8-9-10-11-11-10-6-5-4-2-3-3-1
  • 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

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