Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 1 am 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
13.7° C

2.2°C colder than average 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 (26 Jun):

  • Morning surf: Morning surf (26 Jun, local time) - 2ft (0.6m), 4s period with SSE swell.
  • Afternoon surf: Afternoon surf (26 Jun, local time) - 1.5ft (0.5m), 6s period with SE swell.
  • Evening surf: Evening surf (26 Jun, local time) - 2ft (0.6m), 5s period with SE swell.

The current surf forecast for Costellos at 6AM is: 0.5m 4s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a Southeast direction (forecast issued at 01:00am June 26). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (26 Jun)2ft (0.6m)4s
Afternoon (26 Jun)1.5ft (0.5m)6s
Evening (26 Jun)2ft (0.6m)5s

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 12mm), heaviest on Fri morning. Warm (max 21°C on Sun afternoon, min 16°C on Fri morning). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.6
SSE
4
0.3
SE
7
0.6
SSE
4
0.5
SE
4
0.5
SE
6
0.5
SE
4
0.6
SE
4
0.7
SE
5
0.7
SE
5
0.6
SSE
5
0.5
SE
6
0.3
SE
11
0.4
SE
6
0.4
SE
6
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.6
SE
10
Wave Graph
Metric surfscale
Energy kJ
14
11
13
8
19
6
16
24
27
19
15
18
11
11
17
19
26
25
25
25
25
25
25
59
Wind (km/h)
10
SW
5
NNW
15
SSE
20
SSE
10
SE
5
S
10
ENE
5
S
5
NW
10
NNE
10
ENE
15
ENE
15
ESE
10
ESE
5
ESE
5
ESE
0
NW
5
WNW
5
NNW
10
ESE
15
SE
15
SE
10
S
5
SW
Wind State
cross-off
cross-off
cross-on
cross
cross-on
glassy
on
cross
cross-off
cross-on
cross-on
on
on
on
on
glassy
glassy
glassy
glassy
on
cross-on
cross-on
cross
glassy
High Tide
9:31AM2.76m
9:37PM3.14m
10:17AM2.79m
10:21PM3.18m
11:00AM2.83m
Low Tide
3:20AM0.71m
3:23PM0.98m
4:06AM0.66m
4:08PM0.96m
4:50AM0.60m
4:51PM0.92m
cloud
cloud
light rain
rain showers
light rain
thunderstorm
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:25
8:25
 mm
3
2
2
1
3
1
Temp °C
21
17
16
17
18
20
20
19
20
18
16
17
17
17
17
16
16
16
17
20
21
21
20
19
Feels °C
20
17
15
15
19
22
21
20
22
19
16
16
15
17
18
17
17
17
18
20
19
20
20
20
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
7
0.5
SSE
4
0.1
E
11
0.3
SE
6
0.1
E
12
0.3
SE
6
0.6
SE
4
0.7
SE
5
0.7
SE
5
0.6
SSE
5
0.5
SE
6
0.5
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SSE
6
0.5
SSE
4
0.4
SSE
5
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
10
0.4
SE
10
0.6
SE
10
Energy kJ
7
11
3
6
3
6
16
24
27
19
15
15
11
11
11
12
11
9
13
12
16
25
25
59
Swell 2
Height (m)
Direction
Period (s)
0.1
E
12
0.3
SE
7
0.1
E
12
0.1
E
12
0.1
SE
12
0.1
SE
12
0.1
SE
7
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.3
SE
11
0.2
ESE
11
0.2
ESE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
4
0.4
SE
10
0.4
SE
10
0.4
SE
7
0.4
SE
7
0.2
SSE
2
Energy kJ
3
7
3
3
5
5
2
12
11
11
11
18
11
11
17
16
26
25
4
25
25
12
11
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
11
0.1
SE
11
0.2
ESE
11
0.1
SE
11
0.1
SE
11
0.1
S
9
0.1
SE
8
0.1
SE
7
0.1
SE
7
0.1
SE
7
0.2
SSE
7
0.4
SE
10
0.1
E
6
Energy kJ
3
5
12
5
5
1
3
2
2
2
5
25
1
Wind waves
Height (m)
Direction
Period (s)
0.6
SSE
4
0.6
SSE
4
0.5
SE
4
0.5
SE
6
0.5
SE
4
0.7
SSE
4
Energy kJ
14
13
8
19
6
19
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)
493
493
618
367
395
395
395
350
186
498
289
227
400
458
619
395
227
227
232
186
957
1691
14
0
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
2
2
2
3
2
3
3
2
2
3
1
2
4
4
4
4
2
3
1
1
Header Global
Rating
(10 max)
5
6
6
7
7
5
7
6
6
6
5
4
8
9
8
8
7
6
5
5
5
9
6
7
  • 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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