Sea weather in Cape Breton Island in Canada All the beach weather in Cape Breton Island
All the essential weather information for enjoying the beach in Cape Breton Island in Canada, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.
Weather: When should you go to the beach in Cape Breton Island over the next 7 days?
Discover the best moment to go to the beach in Cape Breton Island in Canada this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Cape Breton Island. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Monday 15 December 2025 | 22°F to 31°F | 28.6mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 20°F to 23°F | 11.8mph | not recommended | all the sea weather |
| Wednesday 17 December 2025 | 23°F to 41°F | 20.5mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 23°F to 41°F | 7.5mph | not recommended | all the sea weather |
| Friday 19 December 2025 | 31°F to 52°F | 32.9mph | not recommended | all the sea weather |
| Saturday 20 December 2025 | 23°F to 40°F | 21.1mph | not recommended | all the sea weather |
| Sunday 21 December 2025 | 23°F to 43°F | 16.2mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Cape Breton Island
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:39 and will set at 16:16 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 31°F t and a low of 22°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 39.2mph). Wave height will be up to 7.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  |  | |  |  | |  | |
| Outside temperature | -1°C (31°F) | -1°C (30°F) | -2°C (29°F) | -3°C (27°F) | -5°C (24°F) | -6°C (22°F) | -6°C (21°F) | -6°C (22°F) |
| Perceived temperature | -7°C (19°F) | -9°C (16°F) | -10°C (15°F) | -11°C (13°F) | -13°C (8°F) | -15°C (4°F) | -16°C (4°F) | -15°C (4°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 96% | 86% | 83% | 81% | 78% | 79% | 79% | 78% |
| Barometric pressure | 997 hPa | 993 hPa | 991 hPa | 990 hPa | 990 hPa | 990 hPa | 993 hPa | 995 hPa |
| Cloud cover | 100% | 100% | 81% | 88% | 80% | 76% | 89% | 77% |
| Heat index | -1°C (31°F) | -1°C (30°F) | -2°C (29°F) | -3°C (27°F) | -5°C (24°F) | -6°C (22°F) | -6°C (21°F) | -6°C (22°F) |
| Dew point | -1°C (30°F) | -3°C (26°F) | -4°C (24°F) | -6°C (22°F) | -8°C (18°F) | -9°C (16°F) | -9°C (16°F) | -9°C (16°F) |
| Wind | ||||||||
| Speed | 30km/h (19mph) | 40km/h (25mph) | 39km/h (24mph) | 38km/h (23mph) | 38km/h (23mph) | 41km/h (26mph) | 46km/h (28mph) | 46km/h (28mph) |
| Gusts | 42km/h (26mph) | 54km/h (34mph) | 53km/h (33mph) | 51km/h (32mph) | 50km/h (31mph) | 42km/h (26mph) | 50km/h (31mph) | 63km/h (39mph) |
| Direction | 3° N | 360° N | 342° NNW | 335° NNW | 312° NW | 302° WNW | 295° WNW | 293° WNW |
| Wind chill | -7°C (19°F) | -9°C (16°F) | -10°C (15°F) | -11°C (13°F) | -13°C (8°F) | -15°C (4°F) | -16°C (4°F) | -15°C (4°F) |
| Waves | ||||||||
| Height | 1.5m (4.9ft) | 1.7m (5.5ft) | 2.1m (6.8ft) | 2.2m (7.2ft) | 2.0m (6.7ft) | 1.8m (6.0ft) | 1.8m (5.8ft) | 1.7m (5.7ft) |
| Direction | 39° NE | 35° NE | 18° NNE | 12° NNE | 10° N | 8° N | 7° N | 8° N |
| Period | 9.2 sec. | 9.2 sec. | 9.2 sec. | 12.8 sec. | 12.3 sec. | 12.2 sec. | 12.0 sec. | 11.7 sec. |
| Significant height | 1.3m (4.3ft) | 1.4m (4.6ft) | 1.7m (5.6ft) | 1.5m (4.9ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 1.7m (5.6ft) | 1.7m (5.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:40 and will set at 16:17 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 23°F t and a low of 20°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 22.4mph km/h (with gusts up to 31.7mph). Wave height will be up to 4.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  |  | |  |  |
| Outside temperature | -6°C (22°F) | -5°C (22°F) | -5°C (22°F) | -5°C (23°F) | -5°C (24°F) | -5°C (23°F) | -6°C (22°F) | -7°C (20°F) |
| Perceived temperature | -14°C (6°F) | -13°C (8°F) | -13°C (9°F) | -13°C (9°F) | -13°C (10°F) | -13°C (10°F) | -13°C (8°F) | -13°C (8°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 78% | 82% | 81% | 76% | 80% | 79% | 81% |
| Barometric pressure | 999 hPa | 1004 hPa | 1007 hPa | 1010 hPa | 1011 hPa | 1013 hPa | 1016 hPa | 1018 hPa |
| Cloud cover | 81% | 56% | 68% | 79% | 70% | 68% | 78% | 39% |
| Heat index | -6°C (22°F) | -5°C (22°F) | -5°C (22°F) | -5°C (23°F) | -5°C (24°F) | -5°C (23°F) | -6°C (22°F) | -7°C (20°F) |
| Dew point | -9°C (15°F) | -9°C (17°F) | -8°C (18°F) | -8°C (18°F) | -8°C (17°F) | -8°C (18°F) | -9°C (16°F) | -9°C (15°F) |
| Wind | ||||||||
| Speed | 36km/h (23mph) | 30km/h (19mph) | 26km/h (16mph) | 26km/h (16mph) | 29km/h (18mph) | 28km/h (17mph) | 23km/h (15mph) | 19km/h (12mph) |
| Gusts | 51km/h (32mph) | 43km/h (27mph) | 37km/h (23mph) | 35km/h (22mph) | 40km/h (25mph) | 40km/h (25mph) | 37km/h (23mph) | 33km/h (20mph) |
| Direction | 291° WNW | 285° WNW | 284° WNW | 276° W | 274° W | 274° W | 263° W | 250° WSW |
| Wind chill | -14°C (6°F) | -13°C (8°F) | -13°C (9°F) | -13°C (9°F) | -13°C (10°F) | -13°C (10°F) | -13°C (8°F) | -13°C (8°F) |
| Waves | ||||||||
| Height | 1.5m (5.0ft) | 1.2m (3.9ft) | 1.0m (3.1ft) | 0.8m (2.8ft) | 0.8m (2.7ft) | 0.8m (2.6ft) | 0.8m (2.5ft) | 0.7m (2.2ft) |
| Direction | 8° N | 8° N | 9° N | 9° N | 7° N | 9° N | 90° E | 89° E |
| Period | 11.2 sec. | 8.9 sec. | 9.0 sec. | 8.9 sec. | 8.7 sec. | 8.3 sec. | 7.9 sec. | 7.6 sec. |
| Significant height | 1.3m (4.3ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:40 and will set at 16:17 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 41°F t and a low of 23°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 28mph). Wave height will be up to 2.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | |  | | | |  | |
| Outside temperature | -5°C (22°F) | -4°C (25°F) | -2°C (28°F) | 1°C (34°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 4°C (39°F) |
| Perceived temperature | -12°C (11°F) | -11°C (13°F) | -9°C (17°F) | -5°C (23°F) | -3°C (27°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 83% | 84% | 86% | 87% | 90% | 87% | 88% | 88% |
| Barometric pressure | 1017 hPa | 1017 hPa | 1015 hPa | 1012 hPa | 1008 hPa | 1007 hPa | 1005 hPa | 1002 hPa |
| Cloud cover | 76% | 100% | 100% | 100% | 100% | 97% | 97% | 100% |
| Heat index | -5°C (22°F) | -4°C (25°F) | -2°C (28°F) | 1°C (34°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 4°C (39°F) |
| Dew point | -8°C (18°F) | -6°C (21°F) | -4°C (24°F) | -1°C (30°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 22km/h (14mph) | 22km/h (14mph) | 27km/h (17mph) | 29km/h (18mph) | 28km/h (17mph) | 28km/h (17mph) | 33km/h (21mph) |
| Gusts | 28km/h (17mph) | 34km/h (21mph) | 35km/h (22mph) | 41km/h (25mph) | 45km/h (28mph) | 34km/h (21mph) | 35km/h (22mph) | 36km/h (22mph) |
| Direction | 236° SW | 231° SW | 215° SW | 214° SW | 216° SW | 218° SW | 213° SSW | 218° SW |
| Wind chill | -12°C (11°F) | -11°C (13°F) | -9°C (17°F) | -5°C (23°F) | -3°C (27°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.5m (1.5ft) | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.4m (1.4ft) | 0.6m (1.8ft) | 0.6m (2.1ft) | 0.7m (2.3ft) |
| Direction | 88° E | 87° E | 92° E | 92° E | 91° E | 190° S | 193° SSW | 191° S |
| Period | 7.3 sec. | 6.7 sec. | 6.2 sec. | 5.9 sec. | 10.4 sec. | 10.3 sec. | 10.1 sec. | 9.9 sec. |
| Significant height | 0.5m (1.6ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:41 and will set at 16:17 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 41°F t and a low of 23°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 26.7mph km/h (with gusts up to 37.3mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | | |
| Outside temperature | 5°C (41°F) | 4°C (40°F) | 3°C (37°F) | 0°C (32°F) | -2°C (28°F) | -3°C (28°F) | -5°C (24°F) | -3°C (27°F) |
| Perceived temperature | -1°C (31°F) | -1°C (30°F) | -3°C (26°F) | -7°C (19°F) | -10°C (14°F) | -9°C (16°F) | -10°C (14°F) | -7°C (19°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 85% | 81% | 82% | 76% | 72% | 80% | 77% |
| Barometric pressure | 1001 hPa | 1002 hPa | 1004 hPa | 1010 hPa | 1016 hPa | 1022 hPa | 1024 hPa | 1023 hPa |
| Cloud cover | 100% | 61% | 80% | 84% | 2% | 3% | 5% | 4% |
| Heat index | 5°C (41°F) | 4°C (40°F) | 3°C (37°F) | 0°C (32°F) | -2°C (28°F) | -3°C (28°F) | -5°C (24°F) | -3°C (27°F) |
| Dew point | 3°C (37°F) | 2°C (36°F) | -0°C (32°F) | -3°C (27°F) | -6°C (22°F) | -7°C (20°F) | -8°C (18°F) | -6°C (21°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 33km/h (21mph) | 35km/h (21mph) | 43km/h (27mph) | 39km/h (24mph) | 22km/h (14mph) | 14km/h (9mph) | 12km/h (7mph) |
| Gusts | 41km/h (26mph) | 37km/h (23mph) | 36km/h (23mph) | 60km/h (37mph) | 41km/h (25mph) | 23km/h (14mph) | 29km/h (18mph) | 24km/h (15mph) |
| Direction | 231° SW | 241° WSW | 263° W | 288° WNW | 301° WNW | 290° WNW | 261° W | 226° SW |
| Wind chill | -1°C (31°F) | -1°C (30°F) | -3°C (26°F) | -7°C (19°F) | -10°C (14°F) | -9°C (16°F) | -10°C (14°F) | -7°C (19°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.5m (1.6ft) | 0.4m (1.4ft) | 0.7m (2.2ft) | 0.9m (3.1ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 0.8m (2.7ft) |
| Direction | 191° S | 207° SSW | 214° SW | 282° WNW | 319° NW | 351° N | 357° N | 5° N |
| Period | 9.7 sec. | 9.6 sec. | 5.3 sec. | 5.5 sec. | 9.2 sec. | 9.2 sec. | 6.6 sec. | 5.6 sec. |
| Significant height | 1.1m (3.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 0.8m (2.6ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:42 and will set at 16:18 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 52°F t and a low of 31°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 32.9mph km/h (with gusts up to 35.4mph). Wave height will be up to 5.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | |  |
| Outside temperature | -1°C (31°F) | 2°C (35°F) | 4°C (38°F) | 5°C (41°F) | 7°C (44°F) | 9°C (47°F) | 10°C (50°F) | 11°C (51°F) |
| Perceived temperature | -6°C (21°F) | -4°C (25°F) | -2°C (28°F) | -0°C (31°F) | 2°C (35°F) | 4°C (39°F) | 5°C (42°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in |
| Humidity | 75% | 77% | 79% | 85% | 88% | 90% | 91% | 91% |
| Barometric pressure | 1022 hPa | 1020 hPa | 1016 hPa | 1014 hPa | 1010 hPa | 1004 hPa | 998 hPa | 991 hPa |
| Cloud cover | 100% | 9% | 15% | 51% | 91% | 100% | 100% | 100% |
| Heat index | -1°C (31°F) | 2°C (35°F) | 4°C (38°F) | 5°C (41°F) | 7°C (44°F) | 9°C (47°F) | 10°C (50°F) | 11°C (51°F) |
| Dew point | -4°C (24°F) | -2°C (29°F) | 0°C (32°F) | 3°C (37°F) | 5°C (41°F) | 7°C (44°F) | 8°C (47°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 29km/h (18mph) | 35km/h (22mph) | 38km/h (23mph) | 39km/h (24mph) | 41km/h (26mph) | 48km/h (30mph) | 53km/h (33mph) |
| Gusts | 37km/h (23mph) | 33km/h (20mph) | 38km/h (23mph) | 41km/h (26mph) | 41km/h (26mph) | 42km/h (26mph) | 51km/h (32mph) | 57km/h (35mph) |
| Direction | 210° SSW | 203° SSW | 199° SSW | 198° SSW | 195° SSW | 193° SSW | 189° S | 184° S |
| Wind chill | -6°C (21°F) | -4°C (25°F) | -2°C (28°F) | -0°C (31°F) | 2°C (35°F) | 4°C (39°F) | 5°C (42°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.7m (2.2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.5m (4.9ft) | 1.8m (5.9ft) |
| Direction | 6° N | 4° N | 59° ENE | 171° S | 172° S | 172° S | 166° SSE | 159° SSE |
| Period | 6.6 sec. | 7.6 sec. | 7.5 sec. | 6.9 sec. | 6.5 sec. | 6.3 sec. | 6.3 sec. | 6.9 sec. |
| Significant height | 0.5m (1.6ft) | 0.7m (2.3ft) | 1.0m (3.3ft) | 1.3m (4.3ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.8m (5.9ft) | 2.0m (6.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 2°C (36°F) | 2°C (36°F) | 2°C (36°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 07:42 and will set at 16:18 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 40°F t and a low of 23°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 30.5mph km/h (with gusts up to 33.6mph). Wave height will be up to 5.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | |  | |
| Outside temperature | 8°C (47°F) | 3°C (37°F) | -1°C (31°F) | -5°C (23°F) | -5°C (23°F) | -5°C (22°F) | -5°C (23°F) | -5°C (23°F) |
| Perceived temperature | 4°C (38°F) | -3°C (27°F) | -7°C (19°F) | -15°C (6°F) | -14°C (6°F) | -15°C (6°F) | -15°C (6°F) | -13°C (8°F) |
| Precipitation | 0.2in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 92% | 88% | 78% | 77% | 77% | 76% | 70% |
| Barometric pressure | 986 hPa | 989 hPa | 992 hPa | 997 hPa | 1002 hPa | 1007 hPa | 1012 hPa | 1017 hPa |
| Cloud cover | 99% | 97% | 84% | 67% | 100% | 85% | 40% | 36% |
| Heat index | 8°C (47°F) | 3°C (37°F) | -1°C (31°F) | -5°C (23°F) | -5°C (23°F) | -5°C (22°F) | -5°C (23°F) | -5°C (23°F) |
| Dew point | 7°C (44°F) | 2°C (35°F) | -2°C (28°F) | -8°C (17°F) | -9°C (17°F) | -9°C (17°F) | -9°C (16°F) | -10°C (15°F) |
| Wind | ||||||||
| Speed | 49km/h (30mph) | 30km/h (19mph) | 31km/h (19mph) | 43km/h (27mph) | 42km/h (26mph) | 42km/h (26mph) | 42km/h (26mph) | 34km/h (21mph) |
| Gusts | 54km/h (34mph) | 44km/h (27mph) | 42km/h (26mph) | 54km/h (34mph) | 52km/h (32mph) | 53km/h (33mph) | 51km/h (32mph) | 48km/h (30mph) |
| Direction | 205° SSW | 246° WSW | 238° WSW | 260° W | 273° W | 288° WNW | 297° WNW | 300° WNW |
| Wind chill | 4°C (38°F) | -3°C (27°F) | -7°C (19°F) | -15°C (6°F) | -14°C (6°F) | -15°C (6°F) | -15°C (6°F) | -13°C (8°F) |
| Waves | ||||||||
| Height | 1.6m (5.2ft) | 1.1m (3.6ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Direction | 137° SE | 98° E | 98° E | 98° E | 97° E | 163° SSE | 219° SW | 51° NE |
| Period | 8.3 sec. | 9.5 sec. | 11.1 sec. | 11.2 sec. | 11.3 sec. | 11.3 sec. | 11.0 sec. | 10.9 sec. |
| Significant height | 1.5m (4.9ft) | 1.1m (3.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 07:43 and will set at 16:19 on the beach(es) of Cape Breton Island. The outside temperature will be a high of 43°F t and a low of 23°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 23mph). Wave height will be up to 3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  |  | |
| Outside temperature | -5°C (23°F) | -5°C (23°F) | -5°C (24°F) | -5°C (24°F) | -3°C (26°F) | 1°C (33°F) | 3°C (38°F) | 6°C (42°F) |
| Perceived temperature | -12°C (10°F) | -11°C (12°F) | -10°C (14°F) | -11°C (13°F) | -9°C (15°F) | -5°C (23°F) | -2°C (29°F) | 1°C (34°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0.1in | 0.1in | 0.1in |
| Humidity | 63% | 66% | 69% | 75% | 90% | 97% | 97% | 96% |
| Barometric pressure | 1021 hPa | 1023 hPa | 1023 hPa | 1023 hPa | 1020 hPa | 1014 hPa | 1009 hPa | 1005 hPa |
| Cloud cover | 91% | 81% | 62% | 100% | 100% | 100% | 100% | 100% |
| Heat index | -5°C (23°F) | -5°C (23°F) | -5°C (24°F) | -5°C (24°F) | -3°C (26°F) | 1°C (33°F) | 3°C (38°F) | 6°C (42°F) |
| Dew point | -11°C (12°F) | -10°C (14°F) | -10°C (15°F) | -9°C (17°F) | -5°C (24°F) | 0°C (32°F) | 3°C (37°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 19km/h (12mph) | 14km/h (9mph) | 17km/h (11mph) | 21km/h (13mph) | 22km/h (14mph) | 24km/h (15mph) | 26km/h (16mph) |
| Gusts | 33km/h (21mph) | 26km/h (16mph) | 20km/h (12mph) | 23km/h (14mph) | 30km/h (18mph) | 35km/h (21mph) | 37km/h (23mph) | 30km/h (19mph) |
| Direction | 290° WNW | 278° W | 248° WSW | 215° SW | 194° SSW | 187° S | 197° SSW | 215° SW |
| Wind chill | -12°C (10°F) | -11°C (12°F) | -10°C (14°F) | -11°C (13°F) | -9°C (15°F) | -5°C (23°F) | -2°C (29°F) | 1°C (34°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.8m (2.6ft) | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.9m (3.0ft) |
| Direction | 29° NNE | 36° NE | 46° NE | 59° ENE | 78° ENE | 88° E | 102° ESE | 117° ESE |
| Period | 9.1 sec. | 5.7 sec. | 6.4 sec. | 7.4 sec. | 6.9 sec. | 6.5 sec. | 7.2 sec. | 8.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.8m (2.6ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) |