Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 1 pm 15 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
16.4° C

2.3°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 (15 Jun):

  • Morning surf: Morning surf (15 Jun, local time) - 3.5ft (1.1m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (15 Jun, local time) - 2.5ft (0.8m), 6s period with SE swell.
  • Evening surf: Evening surf (15 Jun, local time) - 2ft (0.6m), 5s period with SE swell.

The current surf forecast for Costellos at 5PM is: 0.6m 5s primary swell from a Southeast direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 01:00pm June 15). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (15 Jun)3.5ft (1.1m)5s
Afternoon (15 Jun)2.5ft (0.8m)6s
Evening (15 Jun)2ft (0.6m)5s

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 23°C on Mon afternoon, min 14°C on Mon night). Wind will be generally light.

Mon
15
Tuesday
16
Wednesday
17
Thu
18
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
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
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)
1
SSE
6
0.9
SE
6
0.6
SE
5
0.6
SE
5
0.5
SE
5
0.3
ESE
7
0.5
E
7
0.6
ESE
7
0.5
ESE
7
0.5
E
7
0.4
SSE
8
0.4
ESE
7
0.3
E
7
0.5
SSE
4
0.5
SSE
5
0.3
E
7
0.4
SE
7
0.1
E
16
1
SSE
4
1.1
SSE
5
0.9
SSE
5
0.8
SSE
4
0.7
SSE
4
0.9
SSE
4
Wave Graph
Metric surfscale
Energy kJ
68
46
22
16
13
9
26
37
26
22
25
15
8
11
13
8
11
6
34
50
39
22
15
26
Wind (km/h)
15
NW
5
E
0
ESE
10
W
15
NW
15
WNW
15
NW
15
NW
5
WNW
5
SE
20
SSE
15
S
10
W
5
WSW
10
W
5
SSE
10
SSE
20
SSE
25
SSE
15
SSW
10
S
10
SSW
10
SSW
20
SE
Wind State
cross-off
glassy
glassy
off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross
off
off
off
glassy
cross-on
cross-on
cross
cross-off
cross
cross-off
cross-off
cross-on
High Tide
11:54AM3.39m
00:06AM3.93m
12:49PM3.45m
1:02AM3.92m
1:44PM3.46m
1:57AM3.84m
Low Tide
5:51PM0.33m
6:35AM-0.13m
6:47PM0.31m
7:30AM-0.12m
7:43PM0.32m
clear
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:23
8:23
8:23
 mm
Temp °C
24
23
23
22
19
16
14
16
20
21
20
18
18
17
16
17
20
21
22
20
18
16
15
16
Feels °C
22
23
23
21
16
12
11
13
18
19
16
15
16
15
14
16
18
18
17
18
16
15
14
14
Swell 1
Height (m)
Direction
Period (s)
1
SSE
6
0.9
SE
6
0.6
SE
5
0.6
SE
5
0.5
SE
5
0.4
SE
5
0.5
E
7
0.6
ESE
7
0.5
ESE
7
0.5
E
7
0.4
ESE
6
0.4
ESE
7
0.3
E
7
0.5
SSE
4
0.5
SSE
5
0.4
SSE
5
0.4
SE
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
Energy kJ
68
46
22
16
13
9
26
37
26
22
14
15
8
11
13
8
11
4
4
4
4
4
4
4
Swell 2
Height (m)
Direction
Period (s)
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
SSE
8
0.3
SSE
9
0.3
SSE
9
0.3
SSE
8
0.4
SSE
8
0.2
SSE
7
0.2
SSE
7
0.3
E
6
0.3
E
6
0.2
SSE
6
0.2
E
7
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
15
0.1
E
15
0.1
E
15
Energy kJ
11
10
11
10
9
14
15
15
13
19
5
5
7
7
4
4
5
5
5
5
4
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
6
0.2
ESE
8
0.1
SE
8
0.2
SSE
5
0.3
NNE
3
0.1
E
16
0.1
E
16
0.2
SSE
7
0.1
E
16
0.3
E
7
0.1
E
16
0.1
E
16
0.1
E
12
Energy kJ
1
7
3
3
2
5
5
5
5
8
5
5
3
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
2
0.4
NW
3
0.4
NW
3
0.2
NNW
2
0.3
WNW
3
0.4
SSE
8
0.6
SSE
4
0.5
SSE
4
0.2
W
3
0.3
SSE
4
0.5
SSE
3
1
SSE
4
1.1
SSE
5
0.9
SSE
5
0.8
SSE
4
0.7
SSE
4
0.9
SSE
4
Energy kJ
1
2
2
1
2
25
10
8
1
4
6
34
50
39
22
15
26
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
4
0
14
186
186
186
173
0
38
618
503
493
493
493
227
493
182
199
530
0
198
198
198
384
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
1
3
3
3
3
3
2
2
2
4
4
4
4
4
1
2
1
3
4
4
4
Header Global
Rating
(10 max)
7
5
5
5
5
5
5
5
4
4
4
4
5
5
7
4
4
4
5
6
9
7
6
6
  • 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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