Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Issued: 1 am 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 (03 Jul):

  • Morning surf: Morning surf (03 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (03 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Evening surf: Evening surf (03 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.

The current surf forecast for Costellos at 7AM is: 0.4m 9s primary swell from a Southeast direction and 0.4m 5s secondary swell from a South-southeast direction (forecast issued at 01:00am July 03). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (03 Jul)1.5ft (0.4m)9s
Afternoon (03 Jul)1.5ft (0.4m)10s
Evening (03 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

Mostly dry. Warm (max 37°C on Fri afternoon, min 19°C on Sun night). Wind will be generally light.

Friday
3
Saturday
4
Sunday
5
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
5 PM
8 PM
11 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
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
10
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
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
21
21
21
22
23
24
23
23
22
22
22
22
21
21
21
21
21
21
19
18
18
18
18
23
Wind (km/h)
10
W
10
W
15
WNW
15
WNW
15
WNW
15
WNW
15
NW
10
WNW
15
W
15
W
15
WNW
20
NW
20
NW
20
NW
15
NNW
10
N
10
NNW
10
WNW
10
WNW
5
SE
20
SE
15
SSE
15
S
10
SW
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
off
cross-off
glassy
cross-on
cross
cross
cross-off
High Tide
1:48AM3.22m
2:23PM2.94m
2:28AM3.14m
3:02PM2.95m
3:09AM3.05m
3:42PM2.97m
Low Tide
8:11AM0.56m
8:19PM0.87m
8:49AM0.62m
9:02PM0.88m
9:28AM0.68m
9:47PM0.88m
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:24
8:24
 mm
Temp °C
28
26
28
32
35
37
32
28
26
24
26
30
32
32
26
23
21
20
21
26
26
24
23
23
Feels °C
30
27
30
31
32
36
32
28
26
24
26
28
29
29
23
22
20
19
20
25
22
21
21
22
Swell 1
Height (m)
Direction
Period (s)
0.4
SSE
5
0.4
SSE
5
0.3
SSE
5
0.4
SE
9
0.4
SE
10
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
NNE
4
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
Energy kJ
8
8
5
22
23
24
23
23
22
22
22
22
21
21
21
21
4
21
19
18
18
18
18
23
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.1
SE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
6
0.4
SE
9
0.3
NNE
4
0.2
SSE
6
0.2
ESE
10
0.1
E
10
0.1
SE
6
Energy kJ
21
21
21
2
2
2
1
2
2
2
2
4
21
2
4
10
2
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
16
0.2
ESE
7
0.2
WNW
3
0.2
SSE
5
0.1
E
15
0.1
S
7
0.1
SE
5
0.1
SE
6
Energy kJ
5
4
1
2
4
1
1
2
Wind waves
Height (m)
Direction
Period (s)
0.2
WNW
2
0.2
NNW
2
0.4
NNW
3
0.5
N
3
0.5
N
3
0.3
SE
6
0.5
S
3
0.6
S
3
0.5
S
4
Energy kJ
1
1
3
6
5
6
5
8
6
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
2
1
1
1
1
Distance (km)
171
182
182
186
289
618
618
227
227
247
247
247
2019
2815
168
186
619
619
620
2755
2755
2755
1297
815
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
1
2
2
2
2
2
2
1
2
2
2
2
2
3
3
1
1
2
2
Header Global
Rating
(10 max)
9
9
7
8
5
5
5
7
5
4
5
5
4
5
5
9
9
9
8
6
7
7
5
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 

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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