Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 1 am 10 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
13.7° C

Slightly warmer than usual

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


How big are the waves at Costellos today (10 Jun):

  • Morning surf: Morning surf (10 Jun, local time) - 2ft (0.6m), 5s period with S swell.
  • Afternoon surf: Afternoon surf (10 Jun, local time) - 2.5ft (0.7m), 4s period with S swell.
  • Evening surf: Evening surf (10 Jun, local time) - 4ft (1.2m), 6s period with SSE swell.

The current surf forecast for Costellos at 7AM is: 0.6m 5s primary swell from a South direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00am June 10). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (10 Jun)2ft (0.6m)5s
Afternoon (10 Jun)2.5ft (0.7m)4s
Evening (10 Jun)4ft (1.2m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 16mm), heaviest on Fri night. Warm (max 28°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
0
0
0
0
1
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
Wave
Height (m)
Direction
Period (s)
1.1
S
6
0.7
S
6
0.6
S
5
0.5
S
5
0.6
S
4
0.9
SSE
4
1.3
SSE
6
1
SSE
6
0.8
SSE
5
0.8
SSE
5
0.7
SSE
6
0.7
SSE
6
0.6
SSE
6
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SE
7
0.5
SE
6
0.6
SE
7
0.4
SE
6
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
80
30
17
10
9
31
106
72
36
36
35
39
33
26
28
31
24
24
23
12
21
28
10
11
Wind (km/h)
15
SW
10
SW
10
SW
10
SSW
10
SW
15
SSE
5
SW
10
SW
10
SW
10
SW
10
W
10
NNW
15
E
10
SE
10
SSE
10
SSE
5
ESE
5
E
5
ENE
10
ESE
15
ESE
15
ESE
10
ESE
10
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross-off
cross-off
cross-off
off
cross-off
on
cross-on
cross-on
cross
cross-on
on
on
cross-on
on
on
cross-on
on
High Tide
7:06AM2.86m
7:33PM3.19m
8:05AM2.94m
8:27PM3.38m
9:04AM3.05m
9:21PM3.57m
Low Tide
00:59AM0.83m
1:13PM0.79m
1:57AM0.65m
2:07PM0.71m
2:54AM0.44m
3:03PM0.61m
clear
part cloud
cloud
part cloud
light rain
part cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:21
8:22
 mm
1
1
3
4
Temp °C
19
19
20
27
28
28
23
20
20
20
21
24
22
20
18
18
17
17
17
18
19
17
16
15
Feels °C
17
18
19
27
28
27
26
21
22
22
23
26
23
22
19
19
18
18
18
18
19
16
16
15
Swell 1
Height (m)
Direction
Period (s)
0.9
SSE
6
0.7
S
6
0.6
S
5
0.1
SE
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.8
SSE
5
0.7
SSE
6
0.7
SSE
6
0.6
SSE
6
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.4
SE
6
0.4
SE
7
Energy kJ
54
30
17
3
2
2
2
1
36
35
39
33
26
28
31
24
24
23
7
8
8
10
11
Swell 2
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
8
0.1
SE
9
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.1
E
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
SSE
8
0.1
SE
8
0.2
ESE
9
0.2
ESE
8
Energy kJ
1
1
3
1
1
2
1
1
2
2
2
8
7
7
7
7
3
8
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.1
E
10
0.1
SE
8
Energy kJ
1
1
2
3
Wind waves
Height (m)
Direction
Period (s)
1.1
S
6
0.9
S
6
0.5
S
5
0.6
S
4
0.9
SSE
4
1.3
SSE
6
1
SSE
6
0.8
SSE
5
0.2
WSW
3
0.4
SE
7
0.5
SE
6
0.6
SE
7
0.4
SE
3
0.4
SE
4
Energy kJ
80
50
10
9
31
106
72
36
1
12
21
28
4
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
38
493
2590
2758
2758
0
0
198
38
172
38
171
172
179
131
131
162
163
182
192
192
186
405
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
3
2
3
3
4
4
4
3
2
1
2
3
3
3
3
3
1
1
2
3
Header Global
Rating
(10 max)
4
6
8
7
8
9
9
7
6
7
6
6
5
5
5
6
6
7
7
8
8
7
6
4
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Costellos 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.


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