Cow Bay Surf Break

Lat Long: 44.61° N 63.43° W

Cow Bay 48 hour detailed Surf Forecast

Issued: 8 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cow Bay sea temperature is
17.5° C
1.1° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 6s period with SSE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.4m), 7s period with S swell.

The current surf forecast for Cow Bay at 4PM is: 1.3m 6s primary swell from a South-southeast direction (forecast issued at 08:00am August 18). The wind direction is predicted to be cross-onshore.

Time (ADT) & DateWave HeightWave Period
Morning (18 Aug)3.5ft (1.1m)6s
Afternoon (18 Aug)4ft (1.2m)6s
Evening (18 Aug)4.5ft (1.4m)7s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Tue afternoon. Warm (max 23°C on Wed afternoon, min 18°C on Wed night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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)
0
0
0
0
0
0
0
2
1
3
1
0
0
1
2
2
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)
0.9
SSE
5
1.1
SSE
6
1.2
SSE
6
1.2
SSE
6
1.4
SSE
6
1.4
S
7
1.6
S
9
2.1
S
9
2.1
S
8
1.8
S
8
1
ESE
6
1.1
SE
7
0.9
SE
7
1.5
S
8
1.4
S
8
1.3
S
8
1
SE
7
0.9
SE
7
1.2
SSE
7
1
SSE
7
0.7
SE
8
0.8
SE
8
Wave Graph
Metric surfscale
Energy kJ
39
82
96
100
131
184
399
656
612
450
80
118
71
263
229
186
91
79
128
96
67
78
Wind (km/h)
10
E
15
S
10
SE
15
SSE
15
S
15
S
15
SSE
10
SE
10
E
0
ESE
5
WSW
10
WSW
15
SW
10
SW
5
WNW
5
WSW
10
WSW
10
SW
15
SSW
20
SSW
20
SSW
15
SSW
Wind State
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
glassy
glassy
cross
cross
cross
glassy
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
12:44PM1.56m
1:12AM1.36m
1:31PM1.48m
2:08AM1.28m
2:24PM1.41m
Low Tide
6:58AM0.36m
7:35PM0.35m
7:41AM0.48m
8:25PM0.43m
8:28AM0.58m
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:13
8:12
 mm
1
1
2
8
3
2
3
2
2
Temp °C
18
19
19
20
20
20
20
20
20
20
22
23
23
20
20
19
18
19
21
23
22
20
Feels °C
18
19
20
21
20
20
21
22
22
23
26
25
24
21
22
20
18
20
20
22
21
20
  • 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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