Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 am 11 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
14.7° C

1.4°C warmer than normal for this time of year

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 (11 Jun):

  • Morning surf: Morning surf (11 Jun, local time) - 2ft (0.6m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (11 Jun, local time) - 1.5ft (0.4m), 6s period with SSE swell.
  • Evening surf: Evening surf (11 Jun, local time) - 1.5ft (0.5m), 8s period with SSE swell.

The current surf forecast for Costellos at 11AM is: 0.5m 6s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am June 11). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (11 Jun)2ft (0.6m)6s
Afternoon (11 Jun)1.5ft (0.4m)6s
Evening (11 Jun)1.5ft (0.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 26°C on Thu morning, min 15°C on Fri night). Wind will be generally light.

Thursday
11
Friday
12
Saturday
13
Sun
14
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
0
0
0
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)
0.7
SSE
5
0.6
SSE
6
0.5
SSE
6
0.4
SSE
5
0.5
SE
7
0.5
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
ESE
6
0.5
SE
6
0.5
ESE
8
0.6
ESE
8
0.4
ESE
8
Wave Graph
Metric surfscale
Energy kJ
27
25
20
9
23
32
24
23
23
11
11
12
15
14
14
14
14
14
14
15
18
37
43
24
Wind (km/h)
10
SSW
10
WSW
5
NW
10
ESE
10
ESE
10
ESE
0
NW
0
ENE
5
E
5
NE
15
ENE
15
ENE
15
ENE
10
NE
10
N
10
NE
10
NNE
10
NNE
5
NE
15
ESE
15
SE
10
SSE
10
SSE
10
SE
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
on
glassy
glassy
on
cross-on
on
on
on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross-on
High Tide
8:05AM2.94m
8:27PM3.38m
9:04AM3.05m
9:21PM3.57m
10:02AM3.18m
10:16PM3.74m
Low Tide
2:07PM0.71m
2:54AM0.44m
3:03PM0.61m
3:50AM0.24m
3:59PM0.50m
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:22
8:22
8:22
 mm
1
1
Temp °C
19
21
26
25
22
18
19
18
17
18
20
19
17
16
15
16
16
17
20
22
20
18
18
17
Feels °C
20
23
29
26
23
19
22
20
18
19
20
18
16
16
15
16
16
17
22
22
20
18
18
17
Swell 1
Height (m)
Direction
Period (s)
0.7
SSE
5
0.6
SSE
6
0.5
SSE
6
0.2
SSE
6
0.1
SE
9
0.5
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.3
ESE
8
0.3
ESE
8
0.5
ESE
8
0.6
ESE
8
0.4
ESE
8
Energy kJ
27
25
20
4
3
32
24
23
23
11
11
12
15
14
14
14
14
14
14
13
13
37
43
24
Swell 2
Height (m)
Direction
Period (s)
0.1
E
9
0.1
E
8
0.1
E
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.1
S
8
0.2
SSE
6
0.1
S
8
0.1
S
8
Energy kJ
2
1
2
8
8
8
7
7
7
6
8
8
8
7
14
14
14
13
13
1
4
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
10
0.1
E
8
0.2
SSE
8
0.2
ENE
3
0.2
ENE
3
0.1
S
8
0.1
S
8
0.1
S
8
Energy kJ
2
1
7
1
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
5
0.5
SE
7
0.3
NE
3
0.4
NE
3
0.4
NE
3
0.3
NE
3
0.4
ESE
6
0.5
SE
6
0.4
ESE
4
0.4
SE
4
Energy kJ
9
23
1
2
3
1
15
18
5
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
182
172
131
171
172
179
131
163
163
182
182
289
407
182
186
199
199
186
247
227
227
247
14
232
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
2
2
2
3
3
3
3
3
1
1
2
2
3
3
3
3
2
1
2
2
3
Header Global
Rating
(10 max)
7
6
6
6
6
6
6
7
7
9
9
8
7
5
4
5
5
5
5
4
5
4
4
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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