Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
16.6° C
2.5° 

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 (29 Jul):

  • Morning surf: Morning surf (29 Jul, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (29 Jul, local time) - 4.5ft (1.3m), 5s period with ESE swell.
  • Evening surf: Evening surf (29 Jul, local time) - 5.5ft (1.7m), 6s period with ESE swell.

The current surf forecast for Costellos at 5AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 6s secondary swell from a East direction, 0.8m 4s secondary swell from a South-southeast direction (forecast issued at 01:00am July 29). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Jul)1.5ft (0.4m)8s
Afternoon (29 Jul)4.5ft (1.3m)5s
Evening (29 Jul)5.5ft (1.7m)6s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Wed night. Warm (max 20°C on Wed morning, min 17°C on Thu morning). Winds decreasing (fresh winds from the NE on Thu afternoon, calm by Fri afternoon).

Wednesday
29
Thursday
30
Friday
31
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
1
0
1
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)
0.9
SSE
5
0.4
SE
8
0.4
SE
8
0.9
SE
4
1.2
ESE
5
1.3
ESE
5
1.7
ESE
6
1.9
ESE
6
2
ESE
7
2
ESE
7
1.7
E
6
1.8
E
7
1.7
ENE
6
1.7
ENE
6
1.5
ENE
6
1.4
ENE
6
1.2
ENE
6
1
ENE
6
0.6
SSE
10
0.6
SSE
10
0.6
SSE
10
0.5
SE
9
0.5
SE
9
0.5
SE
9
Wave Graph
Metric surfscale
Energy kJ
30
24
18
29
61
103
179
284
340
360
226
278
245
220
169
137
90
60
63
64
63
43
41
40
Wind (km/h)
15
SSE
10
SE
15
ESE
20
ESE
20
E
25
E
30
ENE
30
ENE
25
ENE
25
NE
25
NE
30
NE
30
NE
30
NNE
25
NNE
20
NNE
20
N
15
N
15
N
15
N
10
N
5
ENE
5
S
10
SSW
Wind State
cross
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
glassy
cross
cross-off
High Tide
11:21PM3.25m
11:56AM2.94m
00:02AM3.30m
12:35PM3.02m
00:42AM3.30m
1:13PM3.08m
Low Tide
5:47AM0.54m
5:51PM0.80m
6:26AM0.49m
6:32PM0.74m
7:03AM0.48m
7:12PM0.70m
part cloud
part cloud
part cloud
cloud
light rain
light rain
mod rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:06
8:05
 mm
1
5
8
6
6
5
4
3
1
1
1
Temp °C
19
19
20
20
19
18
18
18
18
18
18
17
17
17
17
17
17
17
17
17
19
20
20
19
Feels °C
19
20
20
18
17
16
15
15
16
16
16
14
13
13
14
15
15
16
16
17
20
21
21
19
  • 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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