Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 1 pm 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
17.8° 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 (05 Jul):

  • Morning surf: Morning surf (05 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (05 Jul, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Evening surf: Evening surf (05 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.

The current surf forecast for Costellos at 6PM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm July 05). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (05 Jul)1.5ft (0.4m)9s
Afternoon (05 Jul)1.5ft (0.4m)8s
Evening (05 Jul)1.5ft (0.4m)9s

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 Mon night. Warm (max 24°C on Sun afternoon, min 14°C on Tue night). Wind will be generally light.

Sun
5
Monday
6
Tuesday
7
Wed
8
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
5 AM
8 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
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)
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
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
0.4
SE
10
0.4
SE
10
0.9
SSE
6
1.1
SE
6
1.1
SE
6
1.5
SE
7
1.7
ESE
7
1.9
ESE
7
1.7
SE
8
1.6
SE
8
1.5
ESE
8
1.5
ESE
8
1.3
ESE
8
Wave Graph
Metric surfscale
Energy kJ
18
18
18
18
23
23
23
24
25
25
25
24
33
47
82
90
198
274
400
344
306
285
260
209
Wind (km/h)
10
ESE
15
SE
20
SSE
15
S
10
SSW
0
N
0
NW
0
NNE
5
SSE
15
SSE
10
SE
10
SE
10
ESE
15
ESE
20
E
25
ENE
25
ENE
25
ENE
20
ENE
15
ENE
15
NE
15
N
10
N
10
N
Wind State
cross-on
cross-on
cross-on
cross
cross-off
glassy
glassy
glassy
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
on
cross-on
cross
cross
cross
High Tide
3:42PM2.97m
3:54AM2.97m
4:25PM3.01m
4:42AM2.90m
5:12PM3.07m
5:37AM2.85m
Low Tide
9:28AM0.68m
9:47PM0.88m
10:08AM0.74m
10:36PM0.86m
10:53AM0.79m
11:30PM0.81m
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:23
8:23
8:22
 mm
1
3
1
Temp °C
24
24
24
23
22
21
20
19
20
19
19
18
18
16
16
17
17
17
17
16
15
14
14
15
Feels °C
23
21
21
21
21
22
21
21
21
18
18
17
17
14
14
15
14
14
14
14
14
12
13
14
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SSE
4
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
0.9
SSE
6
0.9
SSE
6
1.1
SE
6
0.1
SE
10
1.7
SE
7
1.7
SE
8
1.6
SE
8
1.5
ESE
8
1.5
ESE
8
1.3
ESE
8
Energy kJ
18
18
18
18
23
4
23
24
25
25
25
24
24
47
57
90
4
318
344
306
285
260
209
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
6
0.1
E
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
E
10
0.4
SE
10
0.2
ESE
10
0.3
SE
10
0.1
E
10
Energy kJ
1
2
23
25
25
2
24
10
15
2
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
4
0.1
E
10
0.1
SE
9
0.2
E
9
Energy kJ
3
2
3
7
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
6
0.3
SSE
3
0.5
S
3
0.5
S
3
0.3
SSE
3
0.5
S
3
0.5
SSE
4
0.5
SSE
4
0.5
SSE
5
0.6
SSE
5
0.8
SSE
5
1.1
SE
6
0.6
E
3
1.5
SE
7
1.7
ESE
7
1.9
ESE
7
0.4
NNE
3
0.4
N
3
Energy kJ
4
1
5
6
2
5
9
12
12
14
33
82
8
198
274
400
4
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
2
2
2
Distance (km)
1742
503
2038
1257
642
498
911
642
405
442
529
917
1051
474
808
1073
900
333
333
333
39
5
5
5
Best forecast wave conditions in New Hampshire
Rating
(10 max)
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
1
1
1
1
2
3
3
3
2
1
1
2
3
3
3
3
2
1
3
2
3
3
4
Header Global
Rating
(10 max)
7
6
6
6
5
5
5
5
8
8
8
8
7
8
7
5
5
7
9
9
9
8
7
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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