Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
17.8° C
1.6° 

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 Aug):

  • Afternoon surf: Afternoon surf (03 Aug, local time) - 3.5ft (1.1m), 4s period with SSE swell.
  • Evening surf: Evening surf (03 Aug, local time) - 4ft (1.2m), 5s period with SSE swell.

The current surf forecast for Costellos at 12AM is: 1.0m 5s primary swell from a South-southeast direction and 0.3m 8s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm August 02). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (03 Aug)--
Afternoon (03 Aug)3.5ft (1.1m)4s
Evening (03 Aug)4ft (1.2m)5s

Table - waves today at Costellos. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 38mm), heaviest during Mon afternoon. Warm (max 31°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light.

Sun
2
Monday
3
Tuesday
4
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
1
0
2
2
1
1
1
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSE
5
1.3
SSE
5
1.1
SSE
5
0.8
SSE
4
0.7
SE
4
0.7
SE
5
1
SSE
5
1.7
SSE
7
1.8
SSE
8
1.7
SSE
8
1.4
SSE
8
1.1
SSE
8
0.8
SSE
8
0.7
SE
8
0.6
SSE
8
0.6
SSE
7
0.7
SSE
7
0.5
SE
7
0.6
SSE
5
Wave Graph
Metric surfscale
Energy kJ
66
86
57
26
20
23
58
241
358
331
226
128
78
60
39
34
43
24
16
Wind (km/h)
25
SSE
20
S
15
SSE
10
S
5
SSE
15
S
15
S
20
SSW
25
SSW
15
SW
15
W
15
W
15
WSW
15
WSW
15
W
15
W
10
W
10
SW
10
SW
Wind State
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
cross-off
cross-off
High Tide
2:28PM3.16m
2:43AM3.13m
3:08PM3.18m
3:28AM3.04m
3:51PM3.20m
Low Tide
8:36PM0.67m
8:54AM0.61m
9:21PM0.67m
9:35AM0.68m
10:10PM0.67m
part cloud
part cloud
cloud
rain showers
light rain
light rain
mod rain
heavy rain
thunderstorm
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:01
8:00
 mm
1
1
2
7
14
3
5
Temp °C
26
25
22
20
21
22
22
22
23
21
19
18
18
19
27
30
31
28
25
Feels °C
24
24
23
22
24
24
23
23
22
22
18
16
16
17
24
26
28
27
24
  • 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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