Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 am 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.4° C

1.1°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 (06 Jul):

  • Morning surf: Morning surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Evening surf: Evening surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.

The current surf forecast for Costellos at 12PM is: 0.4m 10s primary swell from a Southeast direction and 0.2m 3s secondary swell from a South-southeast direction (forecast issued at 07:00am July 06). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (06 Jul)1.5ft (0.4m)10s
Afternoon (06 Jul)1.5ft (0.4m)10s
Evening (06 Jul)1.5ft (0.4m)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 7mm), mostly falling on Tue night. Warm (max 22°C on Mon morning, min 16°C on Tue night). Wind will be generally light.

Monday
6
Tuesday
7
Wednesday
8
Thu
9
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
1
1
0
0
0
0
1
1
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)
0.4
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
0.4
SE
10
0.4
SE
10
0.9
SE
6
1.6
SE
6
1.7
ESE
7
1.4
SE
7
1.4
SE
8
1.4
SE
8
1.4
SE
8
1.3
ESE
8
1.3
ESE
7
1.3
ESE
7
1.1
ESE
7
1.1
ESE
7
1
ESE
7
Wave Graph
Metric surfscale
Energy kJ
23
24
25
25
25
24
24
24
24
24
38
47
207
259
209
223
204
204
187
169
169
134
131
104
Wind (km/h)
5
SW
0
E
10
ESE
10
SE
10
SE
10
SE
10
SE
5
SE
15
SE
15
ESE
15
E
20
E
15
E
15
ENE
15
NE
15
NE
10
N
10
N
10
E
15
ESE
15
SSE
15
SSE
15
SSW
10
SW
Wind State
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross
cross
on
cross-on
cross-on
cross
cross-off
cross-off
High Tide
3:54AM2.97m
4:25PM3.01m
4:42AM2.90m
5:12PM3.07m
5:37AM2.85m
6:04PM3.15m
Low Tide
10:08AM0.74m
10:36PM0.86m
10:53AM0.79m
11:30PM0.81m
11:43AM0.81m
00:29AM0.72m
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
cloud
cloud
light rain
light rain
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:23
8:22
8:22
 mm
1
1
1
2
2
Temp °C
21
20
22
22
21
20
20
19
18
17
17
17
17
17
16
17
16
16
19
20
21
20
19
18
Feels °C
23
22
22
21
20
19
20
19
17
16
16
15
16
16
15
16
15
16
18
19
19
18
18
18
Swell 1
Height (m)
Direction
Period (s)
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
SSE
4
0.4
SE
10
0.4
SSE
4
0.6
SSE
5
0.2
ESE
8
1.3
SE
6
1.4
SE
7
1.4
SE
7
1.4
SE
8
1.4
SE
8
1.4
SE
8
1.3
ESE
8
1.3
ESE
7
1.3
ESE
7
1.1
ESE
7
1.1
ESE
7
1
ESE
7
Energy kJ
23
24
25
25
25
24
24
4
24
7
17
7
134
187
209
223
204
204
187
169
169
134
131
104
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
3
0.3
SSE
3
0.2
SSE
3
0.1
E
10
0.4
SE
10
0.1
E
10
0.4
SE
10
0.4
SE
10
0.2
E
9
0.1
E
9
0.1
E
9
Energy kJ
2
2
1
2
24
2
24
24
7
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
E
10
0.1
E
10
0.2
E
10
0.1
SE
10
Energy kJ
2
2
7
4
Wind waves
Height (m)
Direction
Period (s)
0.4
S
3
0.2
S
3
0.2
SSE
3
0.2
SSE
3
0.3
SSE
3
0.4
SSE
3
0.3
SSE
4
0.6
SE
5
0.8
SE
5
0.9
SE
6
1.6
SE
6
1.7
ESE
7
0.4
NE
4
0.2
NNE
3
0.3
NNE
3
0.4
SSE
3
0.5
S
3
Energy kJ
3
1
1
1
2
4
3
17
38
47
207
259
4
1
2
2
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
Distance (km)
916
1109
2815
3544
1898
911
642
642
550
621
680
333
333
190
39
39
5
5
39
39
98
192
0
0
Best forecast wave conditions in New Hampshire
Rating
(10 max)
2
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
2
2
3
3
3
2
3
2
2
3
3
3
3
3
1
2
2
3
3
Header Global
Rating
(10 max)
6
8
9
8
8
8
7
6
5
5
5
7
9
9
7
8
7
7
9
9
9
9
9
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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