Cow Bay surf break

Cow Bay surfForecast / Nova Scotia / Canada

information circle12 Day Weather and Surf, issued 1 pm Wednesday 10 Dec 2025 AST
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
6.3° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Cow Bay this week:

The surf forecast for Cow Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 16) at 5PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.3m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cow Bay in the next 12 days are 2.5m 9s and forecast to arrive on Thursday (Dec 11) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 11s period and expected on Friday (Dec 12) at 5AM.

Wave TypeTime (AST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 16th Dec)3ft (0.9m) 11s
Best Surf 5PM (Tue 16th Dec)3ft (0.9m) 11s
Most Powerful 5PM (Thu 11th Dec)8ft (2.5m) 9s

Table - best surf conditions forecast for Cow Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Wed night. Icy conditions (max 9°C on Wed night, min -3°C on Fri morning). Winds increasing (moderate winds from the SSW on Wed afternoon, strong winds from the WSW by Thu night).

Days 3-6 Weather Summary A light covering of new snow mostly falling on Sun night. Icy conditions (max 1°C on Sat afternoon, min -9°C on Tue morning). Winds increasing (calm on Sun morning, strong winds from the NNW by Mon morning).

Wed
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
E
1.9
S
2.5
S
2.5
S
4
SSW
4
SW
3.5
SW
0.4
SE
0.5
SSE
0.5
S
0.4
SSE
0.1
E
0.1
E
0.1
E
0.5
S
0.4
SSE
1
SSE
0.6
E
0.9
E
0.6
E
0.2
E
Period(s) (?)1469910111110111091615149111011111014
Wave
Graph
(?)Metric surfscale
Energy kJ (?)42759801099000396650285444041218851957816
Wind
(km/h)
20
SSW
35
S
30
SW
30
WSW
45
WSW
45
WSW
40
W
30
W
30
W
20
W
10
W
0
S
5
ESE
20
NE
45
NNW
35
NW
25
WNW
15
WNW
15
NW
15
NNW
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
cross-
off
offcross-
off
cross-
off
cross-
off
offoffcross-
off
High Tide
/ height (m)
12:52AM
1.49
12:58PM
1.41
1:50AM
1.46
2:02PM
1.33
2:45AM
1.45
3:06PM
1.29
3:35AM
1.46
4:04PM
1.28
4:21AM
1.48
4:55PM
1.30
5:04AM
1.51
5:41PM
1.34
5:46AM
1.55
Low Tide
/ height (m)
6:49PM
0.23
7:23AM
0.46
7:42PM
0.32
8:23AM
0.48
8:35PM
0.41
9:24AM
0.48
9:29PM
0.47
10:21AM
0.45
10:22PM
0.52
11:14AM
0.42
11:13PM
0.54
12:02PM
0.37
12:01AM
0.54
12:46PM
0.33
Wed
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Sunrise--7:39--7:39--7:41--7:41--7:43--7:43--7:43
Sunset4:32--4:32--4:32--4:32--4:32--4:34--4:34--
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light snow
light snow
cloud
cloud
cloud
part cloud
clear
clear
Rain (mm)
-12------------------
Temp. °C79872-2-1-2-110111-1-2-5-7-5-6-5
Feels °C (?)1220-8-13-12-12-9-7-5-2-2-3-10-13-14-13-11-11-9
  • 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 12 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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