Cow Bay surf break

Cow Bay surfForecast / Nova Scotia / Canada

information circle12 Day Weather and Surf, issued 7 pm Thursday 20 Nov 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
8.7° 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 Friday (Nov 21) at 5PM. The primary swell is predicted to be 1.4m and 7s period. 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 1.9m 10s and forecast to arrive on Friday (Nov 28) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Thursday (Nov 27) at 5PM.

Wave TypeTime (AST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 21st Nov)4.5ft (1.4m) 7s
Best Surf 8PM (Fri 21st Nov)4.5ft (1.4m) 7s
Most Powerful 2AM (Fri 28th Nov)6ft (1.9m) 10s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Sat night. Icy conditions (max 8°C on Sat morning, min -1°C on Sun morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Wed morning. Icy conditions (max 8°C on Wed afternoon, min -1°C on Mon night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
S
0.9
E
1.4
ESE
1
E
1.2
SSW
0.6
E
0.7
ESE
0.5
SE
0.7
S
0.6
SE
0.5
SE
0.5
SE
0.5
SE
0.4
ESE
0.4
SE
0.3
ESE
1
S
1.2
SSE
0.5
SE
0.1
E
3.5
SSW
Period(s) (?)657767788999998845589
Wave
Graph
(?)Metric surfscale
Energy kJ (?)34019210397354028545038403930181441871310
Wind
(km/h)
10
NE
15
NE
5
N
15
WSW
20
WSW
5
WNW
20
NW
20
WNW
15
WNW
10
W
10
SSW
15
NW
20
NW
20
NW
15
WNW
10
WSW
20
S
10
SSE
10
WNW
15
SE
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offcrosscrosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
on
offoffcross-
off
cross-
off
crosscross-
on
oncross-
off
cross-
on
cross-
on
High Tide
/ height (m)
8:06PM
1.49
8:08AM
1.66
8:45PM
1.48
8:46AM
1.64
9:24PM
1.45
9:24AM
1.60
10:05PM
1.42
10:03AM
1.56
10:49PM
1.38
10:45AM
1.50
11:36PM
1.36
11:32AM
1.45
12:28AM
1.36
12:28PM
1.40
Low Tide
/ height (m)
2:27AM
0.47
3:01PM
0.24
3:03AM
0.49
3:38PM
0.26
3:39AM
0.53
4:16PM
0.29
4:17AM
0.56
4:55PM
0.33
4:59AM
0.59
5:36PM
0.35
5:46AM
0.61
6:20PM
0.37
6:40AM
0.60
7:08PM
0.38
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
Sunrise-7:16--7:18--7:20--7:20--7:22--7:22--7:24-
Sunset--4:40--4:39--4:38--4:37--4:37--4:37--4:37
clear
clear
cloud
part cloud
cloud
cloud
rain showers
clear
clear
part cloud
light rain
light rain
clear
clear
part cloud
part cloud
light rain
light rain
part cloud
cloud
mod rain
Rain (mm)
------1---11----23--8
Temp. °C3467884252421232588611
Feels °C (?)-1-12234-1-4-1-20-2-5-5-3-306636
  • Map Icons:
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  • 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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