Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
17.5° C
1.7° 

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 (01 Aug):

  • Morning surf: Morning surf (01 Aug, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (01 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Evening surf: Evening surf (01 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.

The current surf forecast for Costellos at 12AM is: 0.5m 9s primary swell from a Southeast direction and 0.3m 6s secondary swell from a East direction, 0.4m 3s secondary swell from a South direction (forecast issued at 07:00pm July 31). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 Aug)1.5ft (0.4m)9s
Afternoon (01 Aug)1.5ft (0.4m)8s
Evening (01 Aug)1.5ft (0.4m)8s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon morning. Warm (max 27°C on Sun afternoon, min 20°C on Fri night). Wind will be generally light.

Fri
31
Saturday
1
Sunday
2
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
1
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
Wave
Height (m)
Direction
Period (s)
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
7
0.4
SE
7
0.4
SE
8
0.8
S
5
0.7
SSE
5
0.6
S
5
0.3
SE
9
1
SSE
4
1.3
SSE
5
1.5
SSE
5
1
SSE
5
Wave Graph
Metric surfscale
Energy kJ
41
39
39
39
25
29
28
15
13
14
14
28
25
16
13
34
88
121
56
Wind (km/h)
15
SSE
10
SSW
10
SW
5
WSW
5
NW
5
NNW
10
E
15
ESE
15
SE
10
S
15
SSW
15
SSW
10
SSW
15
SSW
15
S
25
SSE
20
SSE
20
S
15
S
Wind State
cross
cross-off
cross-off
cross-off
cross-off
glassy
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross
High Tide
1:22AM3.27m
1:50PM3.12m
2:02AM3.21m
2:28PM3.16m
Low Tide
7:12PM0.70m
7:39AM0.50m
7:53PM0.68m
8:16AM0.55m
8:36PM0.67m
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:04
8:02
 mm
Temp °C
24
24
22
20
20
20
22
23
22
24
24
22
22
21
26
27
25
25
22
Feels °C
23
24
23
21
21
21
22
22
21
25
24
22
22
22
25
24
23
24
22
  • 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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