Cow Bay surf break

Cow Bay surfForecast / Nova Scotia / Canada

information circle16 Day Weather and Surf, issued 8 am Wednesday 13 May 2026 ADT
Forecast update in hr  min  s Forecast update imminent
Cow Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cow Bay sea temperature is
4.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Cow Bay this week:

The surf forecast for Cow Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 15) at 9AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 1.7m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cow Bay in the next 16 days are 2.5m 12s and forecast to arrive on Friday (May 15) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 9s period and expected on Sunday (May 17) at 12AM.

Wave TypeTime (ADT) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 15th May)8ft (2.5m) 9s
Best Surf 9AM (Fri 15th May)8ft (2.5m) 9s
Most Powerful12PM (Fri 15th May)8ft (2.5m) 12s

Table - best surf conditions forecast for Cow Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Thu night. Very mild (max 14°C on Fri afternoon, min 6°C on Wed morning). Winds increasing (light winds from the WSW on Wed night, fresh winds from the NE by Thu night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Sun afternoon, min 7°C on Sat night). Wind will be generally light.

Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
4
4
4
3
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)
0.8
WSW
5
1
SW
4
1.1
SW
6
0.6
ESE
10
0.7
ESE
10
1.9
ESE
6
2.5
E
9
2.5
S
11
2.1
SSE
10
1.8
SSE
9
1.6
SSE
9
0.4
E
8
0.2
E
8
0.1
E
8
0.1
E
8
0.1
S
18
0.1
S
13
0.3
SE
10
0.3
SSE
10
0.3
SSE
9
1.3
SSW
5
Wave Graph
Metric surfscale
Energy kJ
28
34
86
72
80
270
1079
1724
863
539
442
19
5
1
1
6
4
16
18
17
80
Wind (km/h)
25
W
20
WSW
10
WSW
15
SSE
20
SE
35
NE
20
NNW
15
N
15
NNW
15
WNW
25
SW
25
SW
25
WSW
25
W
20
WNW
20
NW
15
NNW
0
SW
15
SW
25
SSW
25
SW
cross-off
cross
cross
on
cross-on
cross-off
off
cross-off
off
cross-off
cross-on
cross
cross
cross-off
cross-off
off
off
glassy
cross
cross-on
cross
High Tide
6:10PM1.67m
6:39AM1.53m
6:56PM1.78m
7:29AM1.60m
7:43PM1.87m
8:18AM1.65m
8:30PM1.92m
9:08AM1.68m
9:18PM1.93m
9:59AM1.68m
10:07PM1.89m
10:51AM1.65m
10:59PM1.82m
Low Tide
11:52AM0.34m
00:40AM0.25m
12:45PM0.29m
1:33AM0.13m
1:38PM0.25m
2:24AM0.03m
2:31PM0.22m
3:16AM-0.03m
3:25PM0.22m
4:08AM-0.05m
4:19PM0.24m
5:01AM-0.03m
5:16PM0.28m
part cloud
clear
cloud
part cloud
part cloud
rain showers
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:47
5:46
5:45
5:43
5:43
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:32
8:34
8:35
8:36
8:37
8:37
8
Temp °C
10
12
10
13
12
9
10
14
9
15
16
11
17
19
15
13
16
13
13
14
10
3
6
5
9
7
2
5
10
5
10
11
5
12
14
9
8
11
10
8
7
5
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
6
0.5
E
7
0.5
ESE
8
0.6
ESE
10
0.7
ESE
10
1.3
SSE
6
2.5
E
9
2.5
S
11
2.1
SSE
10
1.8
SSE
9
1.6
SSE
9
0.4
E
8
0.2
E
8
0.1
E
8
1.6
SSW
8
1.2
SSW
8
0.9
SSW
8
0.9
SSW
8
0.5
SW
7
0.3
SSE
9
0.3
SSE
9
Energy kJ
10
27
40
72
80
122
1079
1724
863
539
442
19
5
1
310
172
107
83
27
17
17
Swell 2
Height (m)
Direction
Period (s)
0.4
E
6
0.3
SE
10
0.1
E
12
1.7
SSE
10
2
E
9
1.2
E
9
0.8
E
9
0.7
E
9
0.4
E
8
0.1
E
8
0.1
S
18
0.1
SE
10
0.3
SE
10
0.3
SSE
10
0.1
SE
16
0.1
SE
12
Energy kJ
13
15
3
610
664
220
95
71
19
1
6
4
16
18
10
6
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
7
0.1
SE
7
0.9
SSE
14
0.2
SSE
12
0.1
S
13
0.1
E
13
0.3
SSW
7
0.1
E
12
0.1
S
16
Energy kJ
9
2
308
14
3
3
10
3
5
Wind waves
Height (m)
Direction
Period (s)
0.8
WSW
5
1
SW
4
1.1
SW
6
0.7
S
4
1
S
5
1.9
ESE
6
0.5
WNW
3
0.3
WNW
3
2.2
SSW
9
2
SSW
9
1.9
SSW
8
0.4
WNW
3
0.4
WNW
3
0.4
NW
3
0.2
NNE
3
0.7
SSW
7
1.3
SSW
5
Energy kJ
28
34
86
20
50
270
5
1
676
600
441
4
4
2
1
42
80
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
4
4
4
3
1
1
1
2
1
1
1
1
1
1
2
Distance (km)
2171
1730
0
327
727
647
0
0
0
0
625
625
592
792
0
0
0
0
1429
1379
615
Best forecast wave conditions in Nova Scotia
Rating
(10 max)
1
5
4
4
3
1
1
1
1
Best forecast wave conditions in Canada
Rating
(10 max)
1
1
5
4
4
3
1
1
1
1
1
Header Global
Rating
(10 max)
7
9
5
5
5
5
5
5
4
5
5
7
5
4
7
4
5
5
4
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Cow Bay Surf forecast

The above surf forecast table for Cow Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cow Bay can be found by selecting the local surf guide option on the grey menu. Our Cow Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cow Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Cow Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Nova Scotia? If you are looking for accommodation near Cow Bay, camping, hotels and holiday cottages in Nova Scotia, consider staying in Cole Harbour which is 8 km (5 miles) away. Other places in and around Nova Scotia where you can find information about places to rent, and car hire include Dartmouth which is 12 km (7 miles) away, Halifax, Kings County and East Hants.

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