Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 pm 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
17.6° 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 (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (04 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.

The current surf forecast for Costellos at 1AM is: 0.4m 9s primary swell from a Southeast direction and 0.2m 5s secondary swell from a South-southeast direction (forecast issued at 07:00pm July 03). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jul)1.5ft (0.4m)9s
Afternoon (04 Jul)1.5ft (0.4m)9s
Evening (04 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

Mostly dry. Warm (max 32°C on Fri night, min 20°C on Sun night). Wind will be generally light.

Fri
3
Saturday
4
Sunday
5
Mon
6
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
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
SE
9
0.4
SE
10
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
Wave Graph
Metric surfscale
Energy kJ
24
23
23
22
22
22
22
21
21
21
21
21
14
23
18
18
18
18
23
23
23
24
24
25
Wind (km/h)
15
WNW
10
NW
10
WNW
10
W
10
W
15
WNW
10
WNW
15
NNW
15
WNW
10
WNW
10
NNW
10
NNW
10
N
10
NNE
15
E
10
ESE
15
SE
10
S
5
S
0
ENE
5
SSE
5
SE
10
SE
10
SE
Wind State
off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross
cross-off
glassy
glassy
cross-on
cross-on
cross-on
High Tide
2:23PM2.94m
2:28AM3.14m
3:02PM2.95m
3:09AM3.05m
3:42PM2.97m
3:54AM2.97m
Low Tide
8:19PM0.87m
8:49AM0.62m
9:02PM0.88m
9:28AM0.68m
9:47PM0.88m
10:08AM0.74m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:24
8:24
8:23
 mm
Temp °C
35
32
28
26
25
26
30
31
30
27
24
23
21
21
21
23
23
21
20
20
20
20
21
21
Feels °C
34
33
28
26
25
26
30
31
30
28
24
22
20
20
20
22
20
20
20
21
21
21
21
20
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
SE
9
0.4
SE
10
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
3
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
Energy kJ
24
23
23
22
22
22
22
21
21
21
21
21
14
23
18
18
18
18
2
23
23
24
24
25
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.1
SE
5
0.2
SSE
5
0.1
SE
5
0.2
NNW
2
0.3
S
3
0.2
S
3
0.1
SE
6
0.2
SSE
6
0.1
SE
6
0.1
SE
6
0.1
E
10
0.4
SE
10
0.4
SE
3
0.3
SE
3
0.2
SSE
3
0.2
SSE
3
Energy kJ
2
2
2
2
2
2
1
2
1
1
1
1
2
4
1
1
2
23
2
2
1
1
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
3
0.1
SE
7
0.1
SE
10
0.1
SE
10
Energy kJ
1
2
4
4
Wind waves
Height (m)
Direction
Period (s)
0.2
NNE
3
0.2
NNE
3
0.2
NNE
3
0.3
NE
3
0.2
ENE
3
0.3
SE
2
0.4
SE
3
0.3
SSE
2
Energy kJ
1
1
1
1
1
1
2
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
Distance (km)
503
404
171
247
247
247
276
2019
333
199
462
289
620
2570
2570
2015
2015
3535
469
2570
2570
1298
503
1296
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
1
2
1
2
2
2
2
2
1
1
1
2
2
3
3
2
1
1
2
3
3
3
3
2
Header Global
Rating
(10 max)
7
8
5
5
5
5
5
4
5
5
9
9
9
8
7
5
7
6
5
6
5
5
9
8
  • 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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