Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 am 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
14.8° C

1.3°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 (0.5m), 6s period with SE swell.
  • Evening surf: Evening surf (12 Jun, local time) - 1.5ft (0.4m), 7s period with SE swell.

The current surf forecast for Costellos at 12PM is: 0.5m 7s primary swell from a Southeast direction and 0.1m 9s secondary swell from a South direction, 0.4m 3s secondary swell from a South-southeast direction (forecast issued at 07:00am June 12). The wind direction is predicted to be cross-onshore.

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

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Sun night. Warm (max 28°C on Sat afternoon, min 18°C on Fri night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Mon
15
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
1
1
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)
0.3
SSE
7
0.4
SSE
7
0.5
SE
7
0.5
SE
6
0.6
SE
7
0.4
SE
7
0.3
ESE
9
0.4
SE
9
0.4
SE
8
0.6
SE
6
0.4
SE
6
0.4
SE
8
0.5
SE
8
0.4
ESE
8
0.5
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
1.1
SSE
5
1.4
S
5
1.4
S
6
1.1
S
5
Wave Graph
Metric surfscale
Energy kJ
11
18
26
19
38
16
15
19
18
26
14
17
32
26
31
25
25
25
24
24
54
104
116
62
Wind (km/h)
0
WNW
0
NE
5
SE
15
ESE
10
ESE
5
E
5
NNE
10
W
15
NW
10
NW
10
NW
5
NW
5
WNW
0
SSW
10
W
10
WNW
10
W
10
SW
15
SSW
25
S
25
S
20
WSW
15
SW
15
SSW
Wind State
glassy
glassy
cross-on
cross-on
cross-on
on
cross-on
off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
off
off
off
cross-off
cross-off
cross
cross
off
cross-off
cross-off
High Tide
9:04AM3.05m
9:21PM3.57m
10:02AM3.18m
10:16PM3.74m
10:58AM3.30m
11:11PM3.87m
Low Tide
2:54AM0.44m
3:03PM0.61m
3:50AM0.24m
3:59PM0.50m
4:46AM0.06m
4:55PM0.40m
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
<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>
8:22
8:22
8:22
8:22
 mm
1
1
2
Temp °C
21
22
25
24
21
20
18
20
18
20
25
28
28
26
22
20
19
21
27
27
27
20
21
18
Feels °C
24
25
27
25
22
22
19
21
17
20
24
27
28
27
21
19
17
19
25
23
23
18
20
17
Swell 1
Height (m)
Direction
Period (s)
0.3
SSE
4
0.4
SSE
7
0.5
SE
7
0.3
SE
8
0.2
ESE
9
0.4
SE
7
0.6
SE
4
0.5
SE
4
0.4
SE
6
0.6
SE
6
0.4
SE
6
0.4
SE
6
0.5
SE
8
0.4
ESE
8
0.5
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
Energy kJ
4
18
26
10
8
16
14
9
15
26
14
14
32
26
31
25
25
25
24
24
12
12
12
12
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
7
0.2
ESE
8
0.1
S
9
0.2
ESE
9
0.4
SE
6
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.3
ESE
8
0.4
SE
8
0.3
SE
5
0.3
SE
6
0.2
S
3
0.2
S
3
Energy kJ
11
6
2
8
11
19
18
18
14
17
5
6
1
1
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
8
0.1
SE
8
0.3
ESE
9
0.4
SE
6
0.4
SE
4
0.1
S
8
0.1
S
8
0.1
S
8
Energy kJ
7
3
15
11
4
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
S
2
0.4
SSE
3
0.5
SE
6
0.6
SE
7
0.6
SSE
4
0.2
NNW
2
0.2
SSW
3
0.7
SE
3
1.1
SSE
5
1.4
S
5
1.4
S
6
1.1
S
5
Energy kJ
1
4
19
38
9
1
1
10
54
104
116
62
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
2
1
1
1
Distance (km)
182
182
227
442
182
131
131
186
186
38
14
38
38
162
168
247
227
395
787
678
3616
0
0
8
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
1
1
2
2
3
3
3
3
2
1
2
3
3
3
2
3
2
3
1
2
2
Header Global
Rating
(10 max)
8
9
6
4
7
8
7
5
5
5
5
5
5
5
5
4
7
5
5
5
9
5
5
5
  • 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.


Nearest locationNearest