Sea weather in St. John's (Newfoundland and Labrador) in Canada All the beach weather in St. John's (Newfoundland and Labrador)
All the essential weather information for enjoying the beach in St. John's (Newfoundland and Labrador) 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 St. John's (Newfoundland and Labrador) over the next 7 days?
Discover the best moment to go to the beach in St. John's (Newfoundland and Labrador) in Canada this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in St. John's (Newfoundland and Labrador). 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 | 29°F to 49°F | 34.8mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 25°F to 29°F | 25.5mph | not recommended | all the sea weather |
| Wednesday 17 December 2025 | 25°F to 41°F | 25.5mph | not recommended | all the sea weather |
| Thursday 18 December 2025 | 31°F to 45°F | 19.3mph | not recommended | all the sea weather |
| Friday 19 December 2025 | 32°F to 45°F | 25.5mph | not recommended | all the sea weather |
| Saturday 20 December 2025 | 29°F to 50°F | 29.8mph | not recommended | all the sea weather |
| Sunday 21 December 2025 | 25°F to 34°F | 20.5mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in St. John's (Newfoundland and Labrador)
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:43 and will set at 16:10 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 49°F t and a low of 29°F. Precipitation is in the forecast (0.4in 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 34.8mph km/h (with gusts up to 45.4mph). Wave height will be up to 6.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  |  | |  |  | |
| Outside temperature | 1°C (34°F) | 3°C (37°F) | 8°C (46°F) | 9°C (49°F) | 8°C (46°F) | 3°C (37°F) | 0°C (32°F) | -2°C (28°F) |
| Perceived temperature | -5°C (23°F) | -3°C (26°F) | 4°C (39°F) | 5°C (42°F) | 3°C (38°F) | -4°C (26°F) | -8°C (18°F) | -12°C (11°F) |
| Precipitation | 0in | 0.1in | 0.1in | 0.1in | 0in | 0in | 0in | 0in |
| Humidity | 97% | 95% | 99% | 96% | 93% | 93% | 85% | 85% |
| Barometric pressure | 1001 hPa | 993 hPa | 985 hPa | 980 hPa | 974 hPa | 970 hPa | 969 hPa | 972 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 95% |
| Heat index | 1°C (34°F) | 3°C (37°F) | 8°C (46°F) | 9°C (49°F) | 8°C (46°F) | 3°C (37°F) | 0°C (32°F) | -2°C (28°F) |
| Dew point | 1°C (34°F) | 2°C (36°F) | 7°C (45°F) | 9°C (48°F) | 7°C (44°F) | 2°C (35°F) | -2°C (28°F) | -4°C (24°F) |
| Wind | ||||||||
| Speed | 32km/h (20mph) | 35km/h (22mph) | 21km/h (13mph) | 35km/h (22mph) | 41km/h (25mph) | 36km/h (22mph) | 46km/h (29mph) | 56km/h (35mph) |
| Gusts | 48km/h (30mph) | 41km/h (26mph) | 24km/h (15mph) | 38km/h (24mph) | 47km/h (29mph) | 54km/h (33mph) | 51km/h (31mph) | 73km/h (45mph) |
| Direction | 107° ESE | 123° ESE | 180° S | 193° SSW | 201° SSW | 227° SW | 260° W | 262° W |
| Wind chill | -5°C (23°F) | -3°C (26°F) | 4°C (39°F) | 5°C (42°F) | 3°C (38°F) | -4°C (26°F) | -8°C (18°F) | -12°C (11°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.8m (2.5ft) | 0.6m (2.0ft) | 0.8m (2.6ft) | 0.6m (2.1ft) | 0.9m (2.9ft) | 1.6m (5.1ft) | 2.0m (6.4ft) |
| Direction | 108° ESE | 120° ESE | 153° SSE | 197° SSW | 195° SSW | 219° SW | 245° WSW | 256° WSW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.3m (4.3ft) | 2.5m (8.2ft) | 2.7m (8.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:44 and will set at 16:10 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 29°F t and a low of 25°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 42.3mph km/h (with gusts up to 52.2mph). Wave height will be up to 8.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  |  | |  | | | | |
| Outside temperature | -2°C (29°F) | -2°C (29°F) | -2°C (29°F) | -2°C (28°F) | -2°C (28°F) | -3°C (27°F) | -3°C (26°F) | -3°C (26°F) |
| Perceived temperature | -12°C (11°F) | -11°C (12°F) | -11°C (12°F) | -10°C (14°F) | -10°C (14°F) | -10°C (13°F) | -11°C (12°F) | -12°C (11°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 70% | 69% | 69% | 66% | 66% | 63% | 59% |
| Barometric pressure | 977 hPa | 986 hPa | 994 hPa | 1000 hPa | 1003 hPa | 1005 hPa | 1008 hPa | 1011 hPa |
| Cloud cover | 100% | 29% | 25% | 24% | 37% | 41% | 39% | 7% |
| Heat index | -2°C (29°F) | -2°C (29°F) | -2°C (29°F) | -2°C (28°F) | -2°C (28°F) | -3°C (27°F) | -3°C (26°F) | -3°C (26°F) |
| Dew point | -6°C (20°F) | -6°C (20°F) | -7°C (20°F) | -7°C (19°F) | -8°C (18°F) | -8°C (18°F) | -9°C (15°F) | -10°C (14°F) |
| Wind | ||||||||
| Speed | 68km/h (42mph) | 63km/h (39mph) | 52km/h (32mph) | 40km/h (25mph) | 36km/h (22mph) | 34km/h (21mph) | 33km/h (21mph) | 41km/h (25mph) |
| Gusts | 84km/h (52mph) | 79km/h (49mph) | 69km/h (43mph) | 53km/h (33mph) | 49km/h (30mph) | 49km/h (31mph) | 51km/h (32mph) | 55km/h (34mph) |
| Direction | 265° W | 270° W | 274° W | 278° W | 276° W | 278° W | 280° W | 274° W |
| Wind chill | -12°C (11°F) | -11°C (12°F) | -11°C (12°F) | -10°C (14°F) | -10°C (14°F) | -10°C (13°F) | -11°C (12°F) | -12°C (11°F) |
| Waves | ||||||||
| Height | 2.7m (8.9ft) | 2.5m (8.3ft) | 2.0m (6.5ft) | 1.4m (4.6ft) | 1.0m (3.4ft) | 0.8m (2.8ft) | 0.7m (2.5ft) | 0.7m (2.4ft) |
| Direction | 256° WSW | 263° W | 273° W | 277° W | 274° W | 275° W | 280° W | 284° WNW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 3.5m (11.5ft) | 3.0m (9.8ft) | 2.3m (7.5ft) | 1.7m (5.6ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:45 and will set at 16:11 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 41°F t and a low of 25°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 25.5mph km/h (with gusts up to 29.8mph). 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 | -4°C (25°F) | -3°C (26°F) | -2°C (28°F) | -0°C (32°F) | 1°C (35°F) | 3°C (37°F) | 4°C (39°F) | 5°C (41°F) |
| Perceived temperature | -12°C (10°F) | -11°C (12°F) | -8°C (17°F) | -7°C (20°F) | -5°C (23°F) | -4°C (25°F) | -2°C (29°F) | -1°C (31°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 62% | 59% | 72% | 66% | 72% | 82% | 86% | 82% |
| Barometric pressure | 1013 hPa | 1016 hPa | 1017 hPa | 1017 hPa | 1015 hPa | 1013 hPa | 1010 hPa | 1008 hPa |
| Cloud cover | 7% | 9% | 100% | 86% | 100% | 100% | 100% | 62% |
| Heat index | -4°C (25°F) | -3°C (26°F) | -2°C (28°F) | -0°C (32°F) | 1°C (35°F) | 3°C (37°F) | 4°C (39°F) | 5°C (41°F) |
| Dew point | -10°C (14°F) | -10°C (14°F) | -7°C (20°F) | -6°C (22°F) | -3°C (26°F) | -0°C (32°F) | 2°C (36°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 32km/h (20mph) | 21km/h (13mph) | 32km/h (20mph) | 32km/h (20mph) | 38km/h (23mph) | 38km/h (24mph) | 41km/h (25mph) |
| Gusts | 48km/h (30mph) | 43km/h (27mph) | 28km/h (17mph) | 44km/h (27mph) | 47km/h (29mph) | 41km/h (26mph) | 43km/h (27mph) | 45km/h (28mph) |
| Direction | 279° W | 274° W | 255° WSW | 243° WSW | 233° SW | 218° SW | 211° SSW | 219° SW |
| Wind chill | -12°C (10°F) | -11°C (12°F) | -8°C (17°F) | -7°C (20°F) | -5°C (23°F) | -4°C (25°F) | -2°C (29°F) | -1°C (31°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 0.9m (3.0ft) | 0.8m (2.6ft) | 0.5m (1.7ft) | 0.8m (2.5ft) | 0.8m (2.7ft) | 0.8m (2.6ft) | 0.9m (3.1ft) |
| Direction | 279° W | 284° WNW | 281° WNW | 264° W | 246° WSW | 238° WSW | 218° SW | 212° SSW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:46 and will set at 16:11 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 45°F t and a low of 31°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 26.1mph km/h (with gusts up to 29.2mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | |  | | |
| Outside temperature | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) | 5°C (41°F) | 4°C (39°F) | 3°C (38°F) | 0°C (33°F) | 0°C (32°F) |
| Perceived temperature | 1°C (33°F) | 1°C (34°F) | 1°C (34°F) | -0°C (31°F) | -2°C (28°F) | -3°C (26°F) | -7°C (20°F) | -6°C (20°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 87% | 87% | 89% | 79% | 72% | 71% | 64% |
| Barometric pressure | 1006 hPa | 1004 hPa | 1002 hPa | 1002 hPa | 1004 hPa | 1009 hPa | 1016 hPa | 1020 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 26% | 66% | 4% | 3% |
| Heat index | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) | 5°C (41°F) | 4°C (39°F) | 3°C (38°F) | 0°C (33°F) | 0°C (32°F) |
| Dew point | 4°C (38°F) | 4°C (40°F) | 4°C (40°F) | 4°C (38°F) | 1°C (33°F) | -1°C (30°F) | -4°C (24°F) | -6°C (22°F) |
| Wind | ||||||||
| Speed | 39km/h (24mph) | 40km/h (25mph) | 42km/h (26mph) | 41km/h (25mph) | 41km/h (26mph) | 40km/h (25mph) | 35km/h (21mph) | 31km/h (19mph) |
| Gusts | 43km/h (27mph) | 45km/h (28mph) | 45km/h (28mph) | 45km/h (28mph) | 47km/h (29mph) | 43km/h (27mph) | 38km/h (24mph) | 45km/h (28mph) |
| Direction | 220° SW | 219° SW | 229° SW | 243° WSW | 259° W | 279° W | 283° WNW | 278° W |
| Wind chill | 1°C (33°F) | 1°C (34°F) | 1°C (34°F) | -0°C (31°F) | -2°C (28°F) | -3°C (26°F) | -7°C (20°F) | -6°C (20°F) |
| Waves | ||||||||
| Height | 1.0m (3.4ft) | 1.1m (3.5ft) | 0.9m (3.1ft) | 1.0m (3.2ft) | 1.0m (3.3ft) | 1.0m (3.2ft) | 1.0m (3.2ft) | 1.0m (3.3ft) |
| Direction | 218° SW | 214° SW | 208° SSW | 209° SSW | 217° SW | 259° W | 287° WNW | 301° WNW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:46 and will set at 16:11 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 45°F t and a low of 32°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 27.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | | |
| Outside temperature | -0°C (32°F) | 0°C (32°F) | 1°C (33°F) | 2°C (35°F) | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 6°C (43°F) |
| Perceived temperature | -6°C (21°F) | -5°C (22°F) | -5°C (23°F) | -4°C (25°F) | -3°C (27°F) | -3°C (27°F) | -2°C (29°F) | 0°C (33°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 64% | 74% | 80% | 78% | 71% | 77% | 88% | 90% |
| Barometric pressure | 1023 hPa | 1024 hPa | 1024 hPa | 1023 hPa | 1021 hPa | 1019 hPa | 1016 hPa | 1013 hPa |
| Cloud cover | 11% | 86% | 52% | 19% | 8% | 13% | 51% | 99% |
| Heat index | -0°C (32°F) | 0°C (32°F) | 1°C (33°F) | 2°C (35°F) | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 6°C (43°F) |
| Dew point | -6°C (21°F) | -4°C (25°F) | -2°C (28°F) | -2°C (29°F) | -1°C (30°F) | -0°C (32°F) | 3°C (37°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 21km/h (13mph) | 25km/h (16mph) | 32km/h (20mph) | 40km/h (25mph) | 44km/h (27mph) | 41km/h (26mph) | 41km/h (26mph) |
| Gusts | 32km/h (20mph) | 31km/h (19mph) | 37km/h (23mph) | 42km/h (26mph) | 41km/h (25mph) | 46km/h (29mph) | 45km/h (28mph) | 43km/h (27mph) |
| Direction | 262° W | 232° SW | 221° SW | 209° SSW | 207° SSW | 206° SSW | 192° SSW | 180° S |
| Wind chill | -6°C (21°F) | -5°C (22°F) | -5°C (23°F) | -4°C (25°F) | -3°C (27°F) | -3°C (27°F) | -2°C (29°F) | 0°C (33°F) |
| Waves | ||||||||
| Height | 0.8m (2.7ft) | 0.5m (1.8ft) | 0.4m (1.4ft) | 0.6m (2.0ft) | 0.8m (2.6ft) | 0.9m (3.0ft) | 1.0m (3.3ft) | 1.1m (3.6ft) |
| Direction | 302° WNW | 289° WNW | 260° W | 220° SW | 214° SW | 217° SW | 212° SSW | 202° SSW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 1.1m (3.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.1m (3.6ft) | 1.3m (4.3ft) | 1.5m (4.9ft) | 1.6m (5.2ft) | 1.7m (5.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 07:47 and will set at 16:12 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 50°F t and a low of 29°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 35.4mph km/h (with gusts up to 39.8mph). Wave height will be up to 6.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | |  | |
| Outside temperature | 8°C (46°F) | 10°C (49°F) | 9°C (48°F) | 5°C (42°F) | 3°C (38°F) | -0°C (31°F) | -2°C (28°F) | -2°C (28°F) |
| Perceived temperature | 3°C (37°F) | 5°C (40°F) | 4°C (38°F) | -1°C (31°F) | -4°C (25°F) | -9°C (17°F) | -11°C (12°F) | -11°C (12°F) |
| Precipitation | 0in | 0in | 0in | 0.1in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 85% | 84% | 78% | 70% | 72% | 68% | 62% |
| Barometric pressure | 1007 hPa | 1001 hPa | 996 hPa | 996 hPa | 996 hPa | 997 hPa | 999 hPa | 1002 hPa |
| Cloud cover | 100% | 99% | 97% | 100% | 89% | 65% | 62% | 80% |
| Heat index | 8°C (46°F) | 10°C (49°F) | 9°C (48°F) | 5°C (42°F) | 3°C (38°F) | -0°C (31°F) | -2°C (28°F) | -2°C (28°F) |
| Dew point | 6°C (43°F) | 7°C (45°F) | 6°C (43°F) | 2°C (35°F) | -2°C (29°F) | -5°C (24°F) | -7°C (19°F) | -8°C (17°F) |
| Wind | ||||||||
| Speed | 50km/h (31mph) | 57km/h (36mph) | 55km/h (34mph) | 44km/h (28mph) | 50km/h (31mph) | 49km/h (31mph) | 50km/h (31mph) | 48km/h (30mph) |
| Gusts | 54km/h (34mph) | 61km/h (38mph) | 59km/h (37mph) | 47km/h (29mph) | 57km/h (35mph) | 54km/h (33mph) | 58km/h (36mph) | 64km/h (40mph) |
| Direction | 181° S | 179° S | 192° SSW | 218° SW | 223° SW | 237° WSW | 255° WSW | 276° W |
| Wind chill | 3°C (37°F) | 5°C (40°F) | 4°C (38°F) | -1°C (31°F) | -4°C (25°F) | -9°C (17°F) | -11°C (12°F) | -11°C (12°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.7m (5.6ft) | 1.9m (6.2ft) | 1.2m (3.9ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3.0ft) | 1.0m (3.3ft) |
| Direction | 200° SSW | 197° SSW | 199° SSW | 204° SSW | 215° SW | 221° SW | 241° WSW | 255° WSW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 2.2m (7.2ft) | 2.6m (8.5ft) | 2.5m (8.2ft) | 1.3m (4.3ft) | 1.0m (3.3ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.5m (4.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 07:47 and will set at 16:12 on the beach(es) of St. John's (Newfoundland and Labrador). The outside temperature will be a high of 34°F t and a low of 25°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 28.6mph km/h (with gusts up to 37.9mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | |  | | | | | |  |
| Outside temperature | -3°C (27°F) | -3°C (26°F) | -4°C (25°F) | -4°C (25°F) | -3°C (26°F) | -2°C (28°F) | -2°C (29°F) | -0°C (31°F) |
| Perceived temperature | -11°C (11°F) | -12°C (11°F) | -13°C (10°F) | -12°C (11°F) | -10°C (13°F) | -9°C (17°F) | -8°C (18°F) | -7°C (19°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 60% | 60% | 58% | 55% | 52% | 62% | 78% | 88% |
| Barometric pressure | 1007 hPa | 1013 hPa | 1018 hPa | 1021 hPa | 1022 hPa | 1023 hPa | 1023 hPa | 1018 hPa |
| Cloud cover | 75% | 22% | 18% | 22% | 40% | 90% | 84% | 100% |
| Heat index | -3°C (27°F) | -3°C (26°F) | -4°C (25°F) | -4°C (25°F) | -3°C (26°F) | -2°C (28°F) | -2°C (29°F) | -0°C (31°F) |
| Dew point | -9°C (15°F) | -10°C (14°F) | -11°C (12°F) | -12°C (11°F) | -12°C (11°F) | -9°C (16°F) | -5°C (23°F) | -2°C (28°F) |
| Wind | ||||||||
| Speed | 46km/h (29mph) | 41km/h (26mph) | 37km/h (23mph) | 31km/h (19mph) | 26km/h (16mph) | 23km/h (14mph) | 22km/h (13mph) | 33km/h (20mph) |
| Gusts | 61km/h (38mph) | 53km/h (33mph) | 47km/h (29mph) | 41km/h (25mph) | 37km/h (23mph) | 32km/h (20mph) | 31km/h (19mph) | 43km/h (27mph) |
| Direction | 291° WNW | 294° WNW | 288° WNW | 280° W | 262° W | 246° WSW | 215° SW | 181° S |
| Wind chill | -11°C (11°F) | -12°C (11°F) | -13°C (10°F) | -12°C (11°F) | -10°C (13°F) | -9°C (17°F) | -8°C (18°F) | -7°C (19°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.1m (3.6ft) | 0.9m (3.0ft) | 0.6m (2.0ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.4m (1.3ft) |
| Direction | 262° W | 271° W | 281° W | 289° WNW | 282° WNW | 261° W | 237° WSW | 199° SSW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. |
| Significant height | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.3m (4.3ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) |