20 April 2026: Tsunami Alert Issued for NE Japan

A magnitude-7.4 earthquake off the coast of Sanriku has triggered a tsunami warning. latest updates

Cow Bay surf break

Cow Bay surfForecast / Nova Scotia / Canada

information circle48hr Weather and Surf, issued 2 am Monday 20 Apr 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
3.2° C
(Which is slightly warmer than usual)

How big are the waves at Cow Bay today?

The current surf forecast for Cow Bay at 6AM is: 1.2m 7s primary swell from a East-southeast direction and 0.1m 14s secondary swell from a South direction (forecast issued at 02:00am April 20). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ADT) & DateWave HeightWave Period
Morning (20 Apr)3.5ft (1.0m)7s
Afternoon (20 Apr)3ft (0.9m)7s
Evening (20 Apr)2.5ft (0.8m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
ESE
1.4
ESE
1.2
ESE
1
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
SE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
ESE
0.6
ESE
0.5
E
0.4
SE
0.3
SSE
0.3
SSE
0.3
E
0.2
S
0.4
SW
Period(s) (?)777777777777777777887573
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2072071461149684685957564949373737313624161111542
Wind
(km/h)
25
S
20
SSW
25
WNW
20
WNW
20
NW
15
NW
10
NW
10
NNW
10
N
15
NE
15
NE
10
NNE
5
SE
10
SSW
10
SW
10
W
10
E
10
E
0
NE
0
ESE
10
S
20
SSW
20
SW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
glasscross-
on
crosscross-
off
crosscross-
on
glassglasscross-
on
cross-
on
crosscross
High Tide
/ height (m)
10:24PM
1.89
11:03AM
1.64
11:13PM
1.82
11:57AM
1.57
12:06AM
1.71
12:57PM
1.49
Low Tide
/ height (m)
5:13AM
-0.00
5:25PM
0.26
6:06AM
0.05
6:21PM
0.34
7:03AM
0.13
7:22PM
0.42
Monday
20
Tuesday
21
Wednesday
22
Sunrise---6:20-------6:20-------6:18----
Sunset------8:04-------8:05-------8:06-
cloud
light rain
light rain
cloud
clear
cloud
part cloud
clear
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
clear
part cloud
part cloud
part cloud
clear
cloud
cloud
part cloud
cloud
Rain (mm)
-33-----------1---------
Temp. °C8644688631-10333300-103342
Feels °C (?)31-2-20232-1-4-7-5-1-1-1-1-4-4-4-3-1-3-2-3
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest