Cow Bay Surf Break

Lat Long: 44.61° N 63.43° W

Cow Bay 48 hour detailed Surf Forecast

Issued: 8 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cow Bay sea temperature is
17.0° C
0.7° 

Cow Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cow Bay today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with SE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with SE swell.

The current surf forecast for Cow Bay at 2PM is: 0.7m 8s primary swell from a Southeast direction (forecast issued at 08:00am August 21). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (ADT) & DateWave HeightWave Period
Morning (21 Aug)2ft (0.6m)8s
Afternoon (21 Aug)2.5ft (0.8m)7s
Evening (21 Aug)2.5ft (0.8m)7s

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


Short Range Forecast

Heavy rain (total 51mm), heaviest during Sun morning. Warm (max 25°C on Fri afternoon, min 18°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the SE by Sun morning).

Friday
21
Saturday
22
Sunday
23
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.7
SE
8
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.7
SE
7
0.7
SE
7
0.6
SE
7
0.5
SE
7
0.6
SE
7
0.5
SE
7
0.8
ESE
7
0.9
ESE
4
1.1
SE
5
1.3
SE
5
1.5
SE
6
1.8
SE
6
2
SE
6
2.1
SE
7
1.9
SE
7
1.6
SE
6
Wave Graph
Metric surfscale
Energy kJ
48
46
57
65
64
62
51
51
41
24
29
23
53
29
55
87
141
247
305
386
325
216
Wind (km/h)
5
NNE
5
N
0
NNW
10
S
10
SW
5
N
5
ENE
15
E
10
ENE
15
E
20
E
15
ESE
20
ESE
20
ESE
20
ESE
20
ESE
25
ESE
30
SE
25
SE
25
SSE
15
SSE
10
SSE
Wind State
cross-off
glassy
glassy
cross-on
cross
glassy
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
High Tide
3:13AM1.22m
3:26PM1.37m
4:22AM1.20m
4:30PM1.37m
5:26AM1.23m
5:30PM1.41m
Low Tide
9:24AM0.66m
10:25PM0.53m
10:29AM0.69m
11:32PM0.51m
11:38AM0.68m
cloud
cloud
clear
cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
mod rain
heavy rain
mod rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:09
8:07
8:06
 mm
9
15
7
7
5
2
Temp °C
20
20
24
25
24
22
20
19
19
19
20
19
19
18
18
18
18
19
20
21
21
20
Feels °C
21
21
25
24
24
23
20
17
18
18
18
17
17
16
16
16
16
17
19
20
22
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 Cow Bay 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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