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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 Monday 18 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
6.5° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Cow Bay today?
The current surf forecast for Cow Bay at 1AM is: 0.1m 13s primary swell from a Southeast direction (forecast issued at 08:00pm May 18). An open ocean swell of 0.9m 7s is not directed at the surf break, a second open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ADT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 9s |
| Afternoon (19 May) | 1.5ft (0.4m) | 9s |
| Evening (19 May) | 0.5ft (0.2m) | 9s |
Table - waves today at Cow Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Warm (max 20°C on Wed morning, min 9°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SW 4 | SSW 4 | SE 13 | SE 13 | SSE 9 | SSE 9 | SSW 5 | SSE 9 | SSW 6 | SSE 9 | SSE 9 | SSE 9 | SE 12 | SSE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SE 15 | SE 11 | |
10 | 17 | 7 | 7 | 15 | 30 | 29 | 30 | 47 | 8 | 8 | 8 | 6 | 8 | 13 | 13 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:07PM1.89m | 10:51AM1.65m | 10:59PM1.82m | 11:47AM1.60m | 11:54PM1.71m | 12:48PM1.55m | ||||||||||||||||||
Low Tide | 4:19PM0.24m | 5:01AM-0.03m | 5:16PM0.28m | 5:55AM0.02m | 6:14PM0.33m | 6:51AM0.09m | ||||||||||||||||||
 |  | |  | |  | |  | |  | |  | | | | |  |  | | | | | | | |
 | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — |
 | 8:37 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:38 | — | — | — | — | — | — | 8:40 |
— | — | — | — | — | 1 | 1 | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 15 | 14 | 11 | 10 | 14 | 16 | 13 | 13 | 13 | 12 | 12 | 15 | 20 | 19 | 19 | 20 | 19 | 14 | 10 | 9 | 11 | 13 |
13 | 13 | 12 | 10 | 6 | 7 | 13 | 14 | 11 | 13 | 11 | 10 | 11 | 15 | 19 | 16 | 16 | 18 | 16 | 10 | 4 | 2 | 4 | 7 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSE 9 | SSW 7 | SSW 7 | SSW 7 | SSE 9 | SSW 6 | SSE 9 | SSE 9 | SSW 8 | SSW 8 | SE 9 | SE 9 | SSE 9 | SSE 9 | SW 7 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SW 8 |
 kJ | 75 | 73 | 97 | 97 | 15 | 32 | 26 | 64 | 16 | 155 | 8 | 8 | 256 | 204 | 13 | 13 | 8 | 8 | 309 | 229 | 173 | 138 | 154 | 133 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 13 | SE 13 | SSE 7 | SSE 9 | SSE 9 | SSE 9 | SW 7 | SSE 9 | SE 12 | SE 12 | SE 12 | SSE 9 | — | S 15 | SE 15 | SE 15 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SE 11 | SE 9 |
| kJ | 3 | 3 | 7 | 7 | 5 | 30 | 29 | 30 | 7 | 8 | 6 | 6 | 6 | 8 | — | 4 | 8 | 8 | 7 | 7 | 7 | 7 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | — | E 13 | — | SE 16 | SE 16 | SE 12 | SSE 7 | SE 12 | S 16 | S 16 | SE 12 | SE 12 | — | SE 15 | — | — | SE 15 | SE 15 | SE 15 | SE 15 | SE 15 | SE 11 |
| kJ | 7 | 7 | — | 4 | — | 10 | 10 | 6 | 5 | 6 | 5 | 5 | 6 | 6 | — | 8 | — | — | 8 | 8 | 8 | 8 | 8 | 5 |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 4 | SW 7 | SSW 7 | SSW 7 | SSW 4 | SSW 5 | SW 7 | SSW 6 | SW 7 | SSW 7 | SSW 7 | SW 8 | — | SSW 8 | SSW 8 | SSW 7 | SW 7 | SW 7 | — | NW 3 | NW 3 | NW 3 | W 4 |
| kJ | 10 | 17 | 79 | 108 | 81 | 25 | 26 | 100 | 47 | 312 | 198 | 204 | 326 | — | 178 | 193 | 282 | 383 | 423 | — | 2 | 4 | 2 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 592 | 592 | 592 | 979 | 1842 | 299 | 299 | 592 | 0 | 0 | 0 | 983 | 592 | 592 | 715 | 0 | 0 | 0 | 0 | 0 | 0 |
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)
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