Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
14.9° C

1.2°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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.
  • Evening surf: Evening surf (29 Jun, local time) - 1.5ft (0.5m), 10s period with SE swell.

The current surf forecast for Costellos at 3AM is: 0.4m 10s primary swell from a Southeast direction and 0.3m 3s secondary swell from a South direction (forecast issued at 07:00pm June 28). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Jun)1.5ft (0.5m)9s
Afternoon (29 Jun)1.5ft (0.5m)9s
Evening (29 Jun)1.5ft (0.5m)10s

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 3mm), mostly falling on Sun night. Warm (max 29°C on Tue afternoon, min 19°C on Sun night). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wed
1
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
1
0
0
0
0
0
0
0
0
0
1
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
10
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.3
ESE
10
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.7
SSE
8
0.4
SE
10
1.3
SSE
6
1.2
S
6
0.9
SSE
6
0.9
SSE
6
0.7
SSE
6
0.6
S
6
0.3
SE
8
Wave Graph
Metric surfscale
Energy kJ
25
25
25
24
44
42
42
43
45
45
44
21
27
27
24
59
26
95
94
55
57
39
25
10
Wind (km/h)
15
SSE
15
SSW
10
WSW
10
WNW
10
N
10
NNE
10
E
15
SE
15
SSE
10
S
10
SW
10
SW
10
SW
10
SW
10
SSW
10
SSE
15
SSE
20
SSW
20
SW
15
WSW
5
N
5
ENE
10
E
10
E
Wind State
cross-on
cross-off
off
off
cross
cross
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross-off
cross-off
cross-off
glassy
on
on
on
High Tide
11:03PM3.23m
11:42AM2.87m
11:45PM3.27m
12:23PM2.91m
00:27AM3.29m
1:04PM2.93m
Low Tide
4:51PM0.92m
5:32AM0.55m
5:33PM0.89m
6:13AM0.51m
6:15PM0.86m
6:53AM0.50m
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light rain
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:25
8:25
8:24
 mm
1
1
Temp °C
22
21
21
20
19
19
22
23
22
23
22
21
20
20
27
29
29
27
24
23
21
20
21
23
Feels °C
21
20
22
21
17
18
21
20
19
21
20
20
19
20
27
28
28
26
24
22
24
22
22
24
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.3
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.2
ESE
10
0.4
SE
10
0.2
ESE
10
0.2
ESE
10
0.9
SSE
6
0.9
SSE
6
0.7
SSE
6
0.6
S
6
0.4
SSE
5
Energy kJ
25
25
25
24
44
42
42
43
45
45
44
13
27
27
24
10
24
10
10
55
57
39
25
10
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
7
0.3
SE
7
0.3
SE
6
0.3
S
3
0.2
S
3
0.1
S
8
0.2
S
6
0.3
ESE
10
0.3
ESE
10
0.2
ESE
11
0.2
ESE
11
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.3
SE
8
0.3
SE
8
0.3
SE
8
Energy kJ
12
7
7
2
1
1
3
21
21
11
11
10
10
9
10
10
10
10
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
6
0.2
SSE
6
0.2
S
7
0.1
S
6
0.2
S
3
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
Energy kJ
4
4
4
1
1
10
10
9
Wind waves
Height (m)
Direction
Period (s)
0.4
S
3
0.4
S
3
0.3
NNE
3
0.2
NNE
3
0.3
SSE
2
0.3
S
2
0.3
S
2
0.2
WSW
3
0.4
SW
3
0.3
SW
3
0.2
SSW
3
0.7
SSE
8
0.9
SSE
4
1.3
SSE
6
1.2
S
6
0.5
SW
4
0.2
WSW
4
0.4
WSW
4
0.2
ENE
2
Energy kJ
2
3
1
1
1
1
1
1
2
1
1
59
26
95
94
6
1
5
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
1
1
1
1
1
1
1
Distance (km)
917
883
620
131
133
133
186
1065
1293
14
0
391
227
14
14
1293
620
501
38
38
0
804
609
588
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
1
3
2
4
3
2
3
3
2
2
1
2
2
4
2
1
2
2
2
2
3
2
2
Header Global
Rating
(10 max)
6
9
6
6
7
7
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
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 

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