Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 pm 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 (12 Jun):

  • Morning surf: Morning surf (12 Jun, local time) - 1.5ft (0.4m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (12 Jun, local time) - 1.5ft (0.4m), 6s period with SSE swell.
  • Evening surf: Evening surf (12 Jun, local time) - 1.5ft (0.5m), 7s period with SE swell.

The current surf forecast for Costellos at 4AM is: 0.3m 7s primary swell from a South-southeast direction and 0.4m 4s secondary swell from a Southeast direction (forecast issued at 07:00pm June 11). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (12 Jun)1.5ft (0.4m)7s
Afternoon (12 Jun)1.5ft (0.4m)6s
Evening (12 Jun)1.5ft (0.5m)7s

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 15mm), heaviest on Fri afternoon. Warm (max 29°C on Sun afternoon, min 17°C on Fri night). Wind will be generally light.

Thu
11
Friday
12
Saturday
13
Sun
14
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
5 AM
8 AM
11 AM
2 PM
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
Wave
Height (m)
Direction
Period (s)
0.4
SSE
7
0.5
SSE
8
0.5
SSE
8
0.3
SSE
7
0.3
SSE
7
0.4
SSE
7
0.5
SE
7
0.4
SSE
6
0.5
SE
7
0.5
SE
7
0.6
SE
7
0.6
SE
6
0.4
SE
8
0.5
SE
6
0.5
SE
6
0.4
SE
6
0.4
SE
6
0.4
ESE
8
0.5
SE
8
0.5
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.6
SE
8
Wave Graph
Metric surfscale
Energy kJ
19
32
34
11
11
18
26
15
23
22
37
26
20
19
19
14
13
26
31
31
25
24
24
49
Wind (km/h)
10
SE
10
SSE
5
WSW
0
SW
5
SW
0
SE
10
ESE
15
ESE
5
NE
10
NE
5
NE
0
S
10
N
5
NW
5
N
5
NNW
5
WNW
5
WNW
10
WSW
5
WNW
5
W
5
WSW
15
S
25
SSE
Wind State
cross-on
cross-on
off
glassy
glassy
glassy
cross-on
on
cross-on
cross-on
cross-on
glassy
cross
cross-off
glassy
glassy
glassy
cross-off
off
cross-off
off
cross-off
cross
cross
High Tide
8:27PM3.38m
9:04AM3.05m
9:21PM3.57m
10:02AM3.18m
10:16PM3.74m
10:58AM3.30m
Low Tide
2:07PM0.71m
2:54AM0.44m
3:03PM0.61m
3:50AM0.24m
3:59PM0.50m
4:46AM0.06m
part cloud
part cloud
rain showers
clear
part cloud
cloud
cloud
rain showers
light rain
light rain
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<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
8:22
8:22
8:22
 mm
3
1
5
5
1
Temp °C
24
22
21
22
22
23
26
24
21
19
18
18
17
19
24
25
27
26
22
21
20
21
26
27
Feels °C
26
23
23
25
25
27
27
25
24
21
19
21
17
20
25
25
27
26
21
21
19
20
23
23
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
9
0.2
ESE
9
0.5
SSE
8
0.4
SSE
4
0.4
SE
4
0.4
SSE
7
0.5
SE
7
0.3
SE
8
0.5
SE
7
0.5
SE
7
0.6
SE
7
0.6
SE
6
0.5
SE
6
0.5
SE
6
0.5
SE
6
0.4
SE
6
0.4
SE
6
0.4
ESE
8
0.5
SE
8
0.5
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.1
S
8
Energy kJ
3
8
34
7
5
18
26
10
23
22
27
26
20
19
19
14
13
26
31
31
25
24
24
1
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.3
SSE
7
0.3
SSE
7
0.2
ESE
8
0.1
S
9
0.2
ESE
9
0.3
ESE
9
0.3
ESE
8
0.4
SE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.2
SSE
6
0.1
S
8
Energy kJ
8
8
7
11
11
6
2
8
15
14
18
14
14
14
13
4
1
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
8
0.2
ESE
8
0.1
SE
8
0.2
NNE
3
0.1
S
8
0.1
S
8
0.1
S
8
0.1
S
8
Energy kJ
7
7
3
1
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
7
0.5
SSE
8
0.4
SSE
4
0.4
SSE
6
0.2
SSE
2
0.7
SSE
6
0.3
NNE
2
0.6
SE
8
Energy kJ
19
32
6
15
1
37
1
49
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
172
170
171
38
38
182
241
601
182
126
131
38
186
38
186
227
38
442
227
227
227
227
787
2025
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
1
1
3
3
3
3
3
2
1
2
3
3
3
3
3
2
1
2
3
3
3
3
3
2
Header Global
Rating
(10 max)
6
6
6
6
8
9
6
4
4
4
6
5
5
5
5
4
5
4
4
4
6
5
5
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

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 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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