Costellos Surf Break
Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Weather Forecast for Costellos

Issued: 1 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
14.1° C

1.3°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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 1ft (0.3m), 7s period with SE swell.
  • Evening surf: Evening surf (09 Jun, local time) - 0.5ft (0.2m), 8s period with ESE swell.

The current surf forecast for Costellos at 7AM is: 0.3m 8s primary swell from a Southeast direction and 0.1m 6s secondary swell from a East direction (forecast issued at 01:00am June 09). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Jun)1ft (0.3m)8s
Afternoon (09 Jun)1ft (0.3m)7s
Evening (09 Jun)0.5ft (0.2m)8s

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 5mm), mostly falling on Thu afternoon. Warm (max 30°C on Tue afternoon, min 16°C on Thu night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
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
1
1
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)
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.3
SE
7
0.2
ESE
8
0.8
S
5
0.9
SSE
6
0.7
S
6
0.6
S
5
0.6
S
4
0.8
S
4
1
SSE
5
1.2
SSE
6
1.3
SSE
6
1
SSE
6
0.8
SSE
5
0.7
SSE
5
0.6
SSE
5
0.4
SSE
5
0.6
SSE
7
0.6
SSE
7
0.5
SE
7
Wave Graph
Metric surfscale
Energy kJ
9
9
9
9
9
8
6
37
48
29
18
14
20
47
87
117
67
35
25
20
10
29
31
24
Wind (km/h)
15
WSW
15
WSW
15
WSW
15
W
10
WSW
10
W
5
WNW
15
SW
15
WSW
10
SW
10
SW
10
SW
15
SW
20
WSW
15
SW
15
SW
15
SSW
10
SW
10
W
5
NW
5
ENE
10
E
5
SSE
5
E
Wind State
cross-off
off
off
off
off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
on
cross-on
on
High Tide
6:09AM2.83m
6:41PM3.03m
7:06AM2.86m
7:33PM3.19m
8:05AM2.94m
8:27PM3.38m
Low Tide
00:02AM0.96m
12:20PM0.83m
00:59AM0.83m
1:13PM0.79m
1:57AM0.65m
2:07PM0.71m
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
light rain
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>
8:20
8:21
8:21
 mm
1
2
1
1
Temp °C
19
18
19
25
29
30
28
22
20
19
20
27
30
26
22
20
19
19
21
26
23
20
18
17
Feels °C
16
15
16
23
27
28
28
21
18
17
19
27
29
25
22
21
20
20
23
29
26
21
20
18
Swell 1
Height (m)
Direction
Period (s)
0.4
S
4
0.4
S
4
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.3
SE
7
0.3
S
3
0.1
E
7
0.9
SSE
6
0.7
S
6
0.1
SE
9
0.1
SE
9
0.1
E
9
0.1
E
9
0.1
E
8
0.1
E
9
0.7
SSE
5
0.6
SSE
5
0.4
SSE
5
0.6
SSE
7
0.6
SSE
7
0.5
SE
7
Energy kJ
5
5
9
9
9
8
2
1
48
29
3
3
2
2
1
2
25
20
10
29
31
24
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
8
0.1
E
6
0.1
E
6
0.1
E
6
0.2
ESE
8
0.1
E
7
0.1
E
9
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.3
SSE
6
0.1
E
9
0.1
E
9
0.2
ESE
9
Energy kJ
9
9
1
1
1
6
1
2
1
1
1
1
1
8
2
2
8
Swell 3
Height (m)
Direction
Period (s)
0.2
ENE
5
0.1
E
7
0.1
SE
7
0.1
E
8
0.1
E
8
0.1
E
10
0.1
E
9
Energy kJ
2
1
2
1
1
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.3
WSW
3
0.4
SW
4
0.4
SW
4
0.2
SSW
4
0.3
SSW
3
0.6
S
4
0.8
S
5
0.4
SW
3
0.6
S
5
0.6
S
4
0.8
S
4
1
SSE
5
1.2
SSE
6
1.3
SSE
6
1
SSE
6
0.8
SSE
5
0.2
NNE
2
0.3
NE
2
Energy kJ
3
2
5
3
1
2
10
37
3
18
14
20
47
87
117
67
35
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
2
1
1
Distance (km)
618
442
601
609
2758
2758
618
38
38
38
38
1168
880
2883
2578
0
0
38
38
131
131
301
172
162
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
3
3
3
4
4
4
4
4
3
2
3
3
4
3
3
3
2
2
1
3
Header Global
Rating
(10 max)
8
8
6
5
6
5
5
5
5
7
7
7
9
9
9
7
6
7
6
6
5
5
5
4
  • 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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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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