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Cow Bay Surf Forecast
/ Nova Scotia (17 breaks) / Nova Scotia (20 breaks) /
Surf Forecasts:
Cow Bay surfForecast / Nova Scotia / Canada
48hr Weather and Surf, issued 8 pm Sunday 17 May 2026 ADTForecast 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
5.8° C
(Which is slightly warmer than usual)| Time (ADT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.1m) | 8s |
| Afternoon (18 May) | 0.5ft (0.1m) | 13s |
| Evening (18 May) | 2.5ft (0.7m) | 4s |
Table - waves today at Cow Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 22°C on Wed morning, min 8°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 18 | S 8 | SE 18 | SE 13 | SW 4 | SW 4 | SW 5 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 6 | SE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
0 | 0 | 0 | 0 | 6 | 145 | 12 | 7 | 12 | 19 | 23 | 8 | 15 | 30 | 29 | 30 | 30 | 62 | 20 | 8 | 20 | 21 | 20 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross | cross | cross-off | cross | cross-on | on | on | cross-on | cross-on | on | cross | cross | cross | cross | cross | cross | |
High Tide | 9:18PM1.93m | 9:59AM1.68m | 10:07PM1.89m | 10:51AM1.65m | 10:59PM1.82m | 11:47AM1.60m | ||||||||||||||||||
Low Tide | 3:25PM0.22m | 4:08AM-0.05m | 4:19PM0.24m | 5:01AM-0.03m | 5:16PM0.28m | 5:55AM0.02m | ||||||||||||||||||
 |  |  | |  | |  | | |  | | | | | | | |  | | | | | | | |
 | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — |
 | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | 8:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 21 | 18 | 13 | 11 | 10 | 10 | 14 | 16 | 15 | 14 | 12 | 9 | 8 | 10 | 11 | 14 | 12 | 10 | 11 | 14 | 13 | 16 | 22 | 21 |
16 | 14 | 10 | 7 | 6 | 6 | 10 | 11 | 11 | 10 | 8 | 5 | 5 | 6 | 8 | 12 | 10 | 8 | 10 | 14 | 12 | 15 | 21 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 511 | 404 | 341 | 245 | 183 | 145 | 118 | 94 | 75 | 57 | 97 | 84 | 15 | 30 | 29 | 30 | 30 | 20 | 20 | 8 | 20 | 21 | 20 | 13 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 18 | S 18 | SE 18 | SE 9 | SE 9 | SE 9 | SE 13 | SSE 9 | SSE 7 | SE 16 | SE 12 | SW 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | S 15 |
| kJ | — | — | — | — | 6 | 6 | 12 | 3 | 3 | 3 | 7 | 8 | 5 | 10 | 6 | 11 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | — | E 13 | — | SE 16 | SE 16 | SSW 7 | SE 16 | SE 16 | S 16 | S 16 | S 15 | — | — | — |
| kJ | — | — | — | — | — | — | — | 7 | 7 | 7 | — | 3 | — | 10 | 10 | 9 | 10 | 10 | 5 | 5 | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 3 | NNW 3 | — | NW 2 | — | WNW 3 | SW 3 | SW 4 | SW 4 | SW 5 | SW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 4 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 8 |
| kJ | — | 2 | 1 | — | 1 | — | 2 | 2 | 12 | 19 | 23 | 112 | 64 | 54 | 53 | 16 | 50 | 62 | 124 | 118 | 160 | 224 | 279 | 306 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 531 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 592 | 592 | 983 | 980 | 592 | 615 | 0 | 0 | 97 | 0 | 987 | 592 |
Best forecast wave conditions in Nova Scotia | ||||||||||||||||||||||||
Best forecast wave conditions in Canada | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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