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

Costellos 48 hour detailed Surf Forecast

Weather Forecast for Costellos

Issued: 1 am 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
11.8° C

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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Evening surf: Evening surf (04 Jun, local time) - 4ft (1.2m), 5s period with S swell.

The current surf forecast for Costellos at 9AM is: 0.3m 8s primary swell from a Southeast direction and 0.4m 4s secondary swell from a South direction (forecast issued at 01:00am June 04). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jun)1ft (0.3m)8s
Afternoon (04 Jun)1ft (0.3m)8s
Evening (04 Jun)4ft (1.2m)5s

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 6mm), mostly falling on Sat night. Warm (max 30°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

Thursday
4
Friday
5
Saturday
6
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
1
1
1
0
1
0
0
0
0
1
1
1
1
1
1
0
1
2
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)
0.1
SE
12
0.5
S
4
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.7
SSE
4
1.2
S
5
1
SSE
6
0.4
SE
10
0.4
SE
9
0.6
SE
9
0.5
SE
8
0.5
SE
8
0.6
SSE
8
0.4
SE
8
0.6
SE
8
0.6
SE
8
0.5
SE
10
0.8
SE
9
0.7
SE
9
0.7
SE
8
0.6
SE
8
0.7
SSE
6
1.5
S
6
Wave Graph
Metric surfscale
Energy kJ
5
9
10
10
10
16
85
62
33
29
46
34
33
44
23
41
49
47
97
73
68
54
30
176
Wind (km/h)
15
WSW
5
WSW
10
SW
10
SW
15
S
10
S
10
W
10
WSW
10
WNW
10
WNW
10
WNW
5
W
5
S
15
SE
10
S
10
SW
10
WSW
10
WSW
10
SW
15
WSW
15
WSW
10
ENE
10
SSW
25
W
Wind State
cross-off
off
cross-off
cross-off
cross
cross
off
off
off
cross-off
cross-off
glassy
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-on
cross-off
off
High Tide
2:12AM3.16m
2:52PM2.82m
2:54AM3.07m
3:35PM2.79m
3:38AM2.98m
4:18PM2.78m
Low Tide
8:39AM0.62m
8:45PM1.00m
9:21AM0.70m
9:29PM1.05m
10:03AM0.77m
10:17PM1.06m
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:16
8:17
8:17
 mm
2
3
Temp °C
18
19
19
26
28
28
26
22
21
19
20
25
26
24
22
22
22
21
21
28
30
24
21
20
Feels °C
15
18
18
25
26
27
26
21
20
17
19
24
24
21
20
20
21
20
21
26
27
24
21
18
Swell 1
Height (m)
Direction
Period (s)
0.1
E
9
0.5
S
4
0.4
S
4
0.4
S
4
0.3
SE
8
0.3
SE
8
1
SSE
5
1
SSE
6
0.7
SSE
5
0.5
S
5
0.6
SE
9
0.5
SE
8
0.5
SE
8
0.6
SSE
8
0.4
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.8
SE
9
0.7
SE
9
0.7
SE
8
0.6
SE
8
0.5
SE
8
1.2
SSE
6
Energy kJ
1
9
5
5
10
10
49
62
29
12
46
34
33
44
23
41
49
36
97
73
68
54
28
114
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
8
0.1
SE
7
0.3
SE
8
0.3
SE
8
0.1
SE
12
0.2
ESE
11
0.3
SE
11
0.3
SE
10
0.4
SE
10
0.4
SE
9
0.4
SSE
5
0.3
SSE
5
0.1
SE
11
0.4
SSE
4
0.5
SE
10
0.1
E
7
0.1
E
6
0.4
SSE
4
0.1
S
8
Energy kJ
3
2
10
10
5
13
19
17
33
29
8
5
5
5
47
1
1
8
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
9
0.1
E
9
0.1
SE
11
0.1
E
5
0.1
E
9
0.1
E
9
0.1
SE
7
0.2
SSE
7
0.1
SE
11
0.2
ESE
10
0.3
SSE
4
0.1
SE
5
0.2
SSE
8
Energy kJ
5
3
1
5
1
2
2
2
4
5
10
3
1
7
Wind waves
Height (m)
Direction
Period (s)
0.7
S
4
0.6
SSW
4
0.6
SSW
4
0.5
S
4
0.5
S
3
0.7
SSE
4
1.2
S
5
1.1
S
5
0.3
SSE
5
0.6
SSE
4
0.5
SSE
4
0.4
SSW
4
0.4
S
3
0.6
S
4
0.7
SSE
6
1.5
S
6
Energy kJ
19
15
13
8
6
16
85
67
5
10
8
5
3
10
30
176
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
Distance (km)
38
680
812
1049
1293
2348
0
0
0
38
0
38
251
2748
395
0
0
0
0
0
0
38
0
0
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
3
2
2
1
2
4
4
4
4
3
3
3
3
3
3
3
2
4
1
2
3
Header Global
Rating
(10 max)
5
5
4
5
5
5
5
5
5
9
9
9
9
8
8
6
9
9
9
9
9
9
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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