Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 7 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) - 1ft (0.3m), 7s period with SE 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), 4s period with SSE swell.

The current surf forecast for Costellos at 2PM is: 0.5m 6s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00am June 26). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Jun)1ft (0.3m)7s
Afternoon (26 Jun)1.5ft (0.5m)6s
Evening (26 Jun)2ft (0.6m)4s

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 10mm), heaviest on Fri morning. Warm (max 21°C on Sun afternoon, min 16°C on Sat night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Mon
29
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
7
0.3
SE
7
0.3
SE
6
0.5
SE
6
0.5
SE
6
0.6
SSE
4
0.6
SE
5
0.5
SE
5
0.2
ESE
11
0.4
SSE
6
0.3
SE
11
0.4
SE
6
0.3
SE
10
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
0.5
SE
10
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
11
8
7
19
19
12
17
11
11
12
18
11
17
17
16
26
25
25
25
25
25
25
48
32
Wind (km/h)
5
N
15
SSE
20
S
10
SSE
5
ESE
5
NE
5
SSE
5
SW
5
N
10
NE
10
E
15
E
15
ESE
10
ESE
5
NE
10
N
5
N
5
NE
10
E
15
ESE
15
SE
5
S
5
WNW
5
NW
Wind State
cross
cross
cross
cross-on
glassy
cross-on
glassy
glassy
glassy
cross-on
on
on
on
on
glassy
cross
cross
cross-on
on
on
cross-on
cross
glassy
cross-off
High Tide
9:31AM2.76m
9:37PM3.14m
10:17AM2.79m
10:21PM3.18m
11:00AM2.83m
11:03PM3.23m
Low Tide
3:20AM0.71m
3:23PM0.98m
4:06AM0.66m
4:08PM0.96m
4:50AM0.60m
4:51PM0.92m
cloud
light rain
light rain
light rain
rain showers
rain showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
part cloud
part cloud
clear
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
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
8:25
 mm
2
1
2
1
2
1
1
Temp °C
17
17
17
17
19
18
18
18
18
17
18
18
18
17
17
16
16
17
19
20
21
20
20
19
Feels °C
17
16
15
18
21
19
20
20
20
18
18
17
18
18
18
16
16
17
19
19
20
21
21
19
Swell 1
Height (m)
Direction
Period (s)
0.5
SSE
4
0.4
SSE
4
0.3
SE
6
0.1
E
12
0.1
SE
12
0.6
SSE
4
0.6
SE
5
0.5
SE
5
0.4
SSE
5
0.4
SSE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
10
0.4
SE
7
0.4
SE
7
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
10
Energy kJ
11
8
6
3
5
12
17
10
8
12
8
8
8
9
8
8
25
12
12
25
25
25
48
32
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
7
0.3
SE
7
0.1
E
12
0.1
SE
12
0.3
SE
6
0.2
ESE
11
0.3
SE
6
0.3
SE
6
0.2
ESE
11
0.3
SE
11
0.2
ESE
11
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.3
SSE
4
0.4
SE
10
0.4
SE
10
0.4
SE
7
0.3
SE
7
0.3
SE
7
0.3
SE
6
Energy kJ
7
7
3
5
6
12
5
5
11
18
11
17
17
16
26
3
25
25
12
7
7
6
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
12
0.1
SE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.1
SE
10
0.1
SE
11
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
7
0.1
SE
7
0.2
SSE
7
Energy kJ
3
3
3
3
5
12
11
11
4
5
2
2
2
2
2
5
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
4
0.5
SE
6
0.5
SE
6
0.2
ENE
2
0.3
SE
2
Energy kJ
7
19
19
1
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)
493
409
367
407
407
395
407
173
203
227
227
395
530
458
186
227
232
232
276
910
458
123
131
199
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
2
2
2
3
3
3
2
3
1
4
4
4
4
4
2
2
1
1
2
Header Global
Rating
(10 max)
5
6
7
7
5
6
6
6
5
5
5
5
4
9
8
7
6
5
5
6
6
6
8
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 

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