Nahant Beach Surf Break

Lat Long: 42.42° N 70.90° W

Issued: 7 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nahant Beach sea temperature is
16.7° C

1.5°C warmer than normal for this time of year

Nahant Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nahant Beach today (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 0.5ft (0.2m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 4.5ft (1.4m), 5s period with SSE swell.
  • Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.1m), 7s period with SE swell.

The current surf forecast for Nahant Beach at 2PM is: 1.3m 5s primary swell from a South-southeast direction and 0.2m 7s secondary swell from a East direction, 0.1m 14s secondary swell from a East direction (forecast issued at 07:00am June 18). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Jun)0.5ft (0.2m)8s
Afternoon (18 Jun)4.5ft (1.4m)5s
Evening (18 Jun)3.5ft (1.1m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Thu night. Warm (max 26°C on Fri afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the SSW on Thu afternoon, light winds from the W by Sat night).

Thursday
18
Friday
19
Saturday
20
Sun
21
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.8
SSE
4
1.3
SSE
5
1.5
SSE
6
1.2
SE
7
0.9
SE
7
0.7
SE
7
0.6
SE
8
0.5
SE
8
0.4
SE
8
0.4
SE
8
0.2
ESE
5
0.2
ESE
5
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
12
0.1
E
12
0.1
E
12
Wave Graph
Metric surfscale
Energy kJ
4
5
20
80
154
131
82
51
37
31
16
16
3
3
13
13
12
3
3
3
3
4
4
4
Wind (km/h)
15
S
20
S
25
SSE
30
S
35
SSW
15
SW
15
WSW
25
W
25
W
25
W
25
W
25
W
30
W
25
W
25
W
25
W
30
W
25
W
25
WNW
25
WNW
20
WNW
20
NW
15
WNW
15
WNW
Wind State
cross
cross
cross
cross
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
cross-off
off
cross-off
cross-off
off
off
High Tide
2:02AM3.38m
2:47PM2.91m
2:58AM3.25m
3:43PM2.89m
3:56AM3.08m
4:38PM2.86m
Low Tide
8:28AM-0.37m
8:42PM0.04m
9:21AM-0.25m
9:39PM0.11m
10:15AM-0.11m
10:38PM0.20m
cloud
cloud
cloud
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:23
 mm
3
1
Temp °C
16
18
21
24
25
22
20
19
19
19
23
26
26
23
20
18
17
19
22
24
24
20
17
16
Feels °C
14
15
18
20
22
22
20
15
14
14
18
21
20
18
16
13
12
14
17
19
20
17
15
14
Swell 1
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
7
0.2
E
7
1.2
SE
7
0.9
SE
7
0.7
SE
7
0.6
SE
8
0.5
SE
8
0.4
SE
8
0.4
SE
8
0.2
ESE
5
0.2
ESE
5
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
8
0.1
SE
8
0.1
SE
10
0.1
SE
10
0.1
SE
10
Energy kJ
4
5
4
4
4
131
82
51
37
31
16
16
3
3
13
13
12
3
3
3
3
4
4
4
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
7
0.1
E
14
0.1
E
14
0.1
E
14
0.2
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
13
0.1
SE
8
0.1
SE
9
0.1
E
7
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
12
0.1
SE
7
Energy kJ
2
2
4
4
4
4
1
1
1
1
1
3
3
3
1
3
3
3
3
3
3
3
2
Swell 3
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
13
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
13
0.1
E
7
0.1
E
7
0.1
E
12
0.1
E
12
0.1
E
12
Energy kJ
4
4
4
4
4
4
4
4
4
1
1
1
3
1
1
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.3
SSE
3
0.4
SSE
3
0.8
SSE
4
1.3
SSE
5
1.5
SSE
6
0.2
WSW
3
0.4
SW
4
0.4
W
3
0.6
W
3
0.5
W
3
0.5
W
3
0.5
W
3
0.5
W
3
0.6
W
3
0.6
W
3
0.6
W
3
0.6
W
3
0.6
W
3
0.6
W
3
0.5
W
3
0.4
WNW
3
0.2
WNW
3
Energy kJ
2
3
20
80
154
1
3
2
6
6
6
5
5
7
8
8
8
8
8
6
3
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
1
1
1
1
1
1
2
1
1
Distance (km)
529
140
3511
1688
564
0
37
0
112
119
60
93
342
112
104
120
112
356
123
346
123
127
108
108
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
1
3
2
3
3
4
3
2
2
2
3
3
4
4
3
1
1
3
2
3
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
9
  • 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
How to use the Wavefinder

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