Sea weather in Knokke-Heist in Belgium All the beach weather in Knokke-Heist
All the essential weather information for enjoying the beach in Knokke-Heist in Belgium, 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 Knokke-Heist over the next 7 days?
Discover the best moment to go to the beach in Knokke-Heist in Belgium this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Knokke-Heist. 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 |
|---|---|---|---|---|
| Friday 5 December 2025 | 41°F to 45°F | 27.3mph | not recommended | all the sea weather |
| Saturday 6 December 2025 | 45°F to 50°F | 28.6mph | not recommended | all the sea weather |
| Sunday 7 December 2025 | 49°F to 54°F | 26.7mph | not recommended | all the sea weather |
| Monday 8 December 2025 | 49°F to 54°F | 13.1mph | not recommended | all the sea weather |
| Tuesday 9 December 2025 | 52°F to 54°F | 23mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 50°F to 54°F | 28.6mph | not recommended | all the sea weather |
| Thursday 11 December 2025 | 45°F to 50°F | 13.1mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Knokke-Heist
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 08:35 and will set at 16:40 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 45°F t and a low of 41°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 29.2mph). Wave height will be up to 2ft 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 (42°F) | 5°C (41°F) | 6°C (42°F) | 6°C (44°F) | 6°C (42°F) | 6°C (43°F) |
| Perceived temperature | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 1°C (33°F) | 0°C (33°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 89% | 89% | 90% | 83% | 78% | 83% | 82% |
| Barometric pressure | 1004 hPa | 1006 hPa | 1007 hPa | 1009 hPa | 1009 hPa | 1008 hPa | 1007 hPa | 1004 hPa |
| Cloud cover | 37% | 83% | 23% | 27% | 12% | 15% | 33% | 91% |
| Heat index | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 6°C (44°F) | 6°C (42°F) | 6°C (43°F) |
| Dew point | 5°C (40°F) | 4°C (40°F) | 4°C (39°F) | 4°C (38°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 20km/h (12mph) | 17km/h (10mph) | 15km/h (9mph) | 15km/h (10mph) | 18km/h (11mph) | 24km/h (15mph) | 33km/h (21mph) | 44km/h (27mph) |
| Gusts | 32km/h (20mph) | 27km/h (17mph) | 25km/h (15mph) | 25km/h (16mph) | 29km/h (18mph) | 38km/h (24mph) | 39km/h (24mph) | 47km/h (29mph) |
| Direction | 198° SSW | 203° SSW | 208° SSW | 190° S | 192° SSW | 174° S | 165° SSE | 173° S |
| Wind chill | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 1°C (33°F) | 0°C (33°F) |
| Waves | ||||||||
| Height | 0.6m (2.1ft) | 0.5m (1.8ft) | 0.4m (1.5ft) | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.3m (1.1ft) | 0.4m (1.4ft) | 0.6m (2.1ft) |
| Direction | 275° W | 287° WNW | 293° WNW | 295° WNW | 290° WNW | 269° W | 196° SSW | 188° S |
| Period | 4.9 sec. | 4.7 sec. | 4.3 sec. | 3.8 sec. | 3.4 sec. | 3.1 sec. | 3.2 sec. | 9.5 sec. |
| Significant height | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 08:36 and will set at 16:40 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 50°F t and a low of 45°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 34.2mph km/h (with gusts up to 37.9mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  |  | | | |
| Outside temperature | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 10°C (49°F) | 10°C (50°F) | 10°C (49°F) | 10°C (51°F) | 10°C (50°F) |
| Perceived temperature | 1°C (33°F) | 3°C (37°F) | 4°C (40°F) | 5°C (41°F) | 6°C (43°F) | 5°C (41°F) | 6°C (43°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 87% | 89% | 87% | 82% | 87% | 84% | 85% |
| Barometric pressure | 1001 hPa | 999 hPa | 998 hPa | 999 hPa | 1000 hPa | 1000 hPa | 1001 hPa | 1002 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 10°C (49°F) | 10°C (50°F) | 10°C (49°F) | 10°C (51°F) | 10°C (50°F) |
| Dew point | 4°C (40°F) | 6°C (42°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) |
| Wind | ||||||||
| Speed | 55km/h (34mph) | 45km/h (28mph) | 41km/h (25mph) | 42km/h (26mph) | 45km/h (28mph) | 46km/h (28mph) | 46km/h (29mph) | 46km/h (28mph) |
| Gusts | 61km/h (38mph) | 48km/h (30mph) | 45km/h (28mph) | 48km/h (30mph) | 46km/h (29mph) | 48km/h (30mph) | 53km/h (33mph) | 48km/h (30mph) |
| Direction | 177° S | 187° S | 191° SSW | 211° SSW | 220° SW | 215° SW | 232° SW | 236° SW |
| Wind chill | 1°C (33°F) | 3°C (37°F) | 4°C (40°F) | 5°C (41°F) | 6°C (43°F) | 5°C (41°F) | 6°C (43°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.9m (3.1ft) | 1.1m (3.6ft) | 1.0m (3.2ft) | 1.0m (3.4ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.4m (4.8ft) | 1.3m (4.4ft) |
| Direction | 188° S | 263° W | 277° W | 274° W | 275° W | 278° W | 279° W | 280° W |
| Period | 5.3 sec. | 6.3 sec. | 6.3 sec. | 6.3 sec. | 6.3 sec. | 6.3 sec. | 6.3 sec. | 6.3 sec. |
| Significant height | 1.8m (5.9ft) | 1.8m (5.9ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 08:38 and will set at 16:39 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 54°F t and a low of 49°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 29.2mph). 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 | 10°C (51°F) | 10°C (50°F) | 9°C (49°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 10°C (50°F) | 12°C (54°F) |
| Perceived temperature | 6°C (44°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 83% | 87% | 94% | 89% | 94% | 95% | 96% |
| Barometric pressure | 1004 hPa | 1005 hPa | 1006 hPa | 1007 hPa | 1007 hPa | 1004 hPa | 1001 hPa | 1002 hPa |
| Cloud cover | 54% | 35% | 7% | 58% | 45% | 100% | 100% | 100% |
| Heat index | 10°C (51°F) | 10°C (50°F) | 9°C (49°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 10°C (50°F) | 12°C (54°F) |
| Dew point | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 7°C (45°F) | 9°C (48°F) | 9°C (49°F) | 12°C (53°F) |
| Wind | ||||||||
| Speed | 42km/h (26mph) | 40km/h (25mph) | 30km/h (18mph) | 26km/h (16mph) | 26km/h (16mph) | 28km/h (18mph) | 33km/h (21mph) | 43km/h (27mph) |
| Gusts | 47km/h (29mph) | 42km/h (26mph) | 31km/h (19mph) | 43km/h (27mph) | 40km/h (25mph) | 31km/h (19mph) | 39km/h (25mph) | 46km/h (29mph) |
| Direction | 239° WSW | 244° WSW | 239° WSW | 204° SSW | 186° S | 167° SSE | 186° S | 238° WSW |
| Wind chill | 6°C (44°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 1.3m (4.2ft) | 1.1m (3.7ft) | 0.9m (3.0ft) | 0.8m (2.5ft) | 0.7m (2.3ft) | 0.6m (2.1ft) | 0.6m (2.0ft) | 1.3m (4.1ft) |
| Direction | 280° W | 279° W | 281° W | 281° WNW | 273° W | 271° W | 239° WSW | 274° W |
| Period | 6.3 sec. | 6.3 sec. | 5.7 sec. | 5.6 sec. | 4.9 sec. | 5.4 sec. | 4.4 sec. | 4.4 sec. |
| Significant height | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.4m (4.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.5m (4.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 08:39 and will set at 16:39 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 54°F t and a low of 49°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 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | | |
| Outside temperature | 12°C (54°F) | 10°C (51°F) | 10°C (50°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 10°C (50°F) | 11°C (51°F) |
| Perceived temperature | 8°C (47°F) | 7°C (44°F) | 6°C (44°F) | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 86% | 88% | 91% | 92% | 97% | 98% | 97% |
| Barometric pressure | 1004 hPa | 1008 hPa | 1010 hPa | 1012 hPa | 1012 hPa | 1012 hPa | 1012 hPa | 1012 hPa |
| Cloud cover | 96% | 29% | 27% | 67% | 100% | 100% | 100% | 100% |
| Heat index | 12°C (54°F) | 10°C (51°F) | 10°C (50°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 10°C (50°F) | 11°C (51°F) |
| Dew point | 10°C (50°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 9°C (48°F) | 10°C (49°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 44km/h (27mph) | 37km/h (23mph) | 29km/h (18mph) | 17km/h (11mph) | 14km/h (9mph) | 13km/h (8mph) | 13km/h (8mph) | 21km/h (13mph) |
| Gusts | 46km/h (28mph) | 43km/h (26mph) | 46km/h (29mph) | 30km/h (19mph) | 26km/h (16mph) | 24km/h (15mph) | 25km/h (16mph) | 37km/h (23mph) |
| Direction | 253° WSW | 256° WSW | 247° WSW | 232° SW | 200° SSW | 186° S | 204° SSW | 193° SSW |
| Wind chill | 8°C (47°F) | 7°C (44°F) | 6°C (44°F) | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) |
| Waves | ||||||||
| Height | 1.2m (4.1ft) | 1.2m (3.8ft) | 1.0m (3.4ft) | 0.8m (2.7ft) | 0.6m (2.1ft) | 0.7m (2.3ft) | 0.7m (2.4ft) | 0.7m (2.2ft) |
| Direction | 276° W | 278° W | 283° WNW | 289° WNW | 295° WNW | 278° W | 275° W | 272° W |
| Period | 4.4 sec. | 4.4 sec. | 4.4 sec. | 5.1 sec. | 4.6 sec. | 5.3 sec. | 6.1 sec. | 5.6 sec. |
| Significant height | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.3m (4.3ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 08:40 and will set at 16:39 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 54°F t and a low of 52°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 23mph km/h (with gusts up to 27.3mph). 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 | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) |
| Perceived temperature | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 9°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 93% | 94% | 92% | 91% | 92% | 84% | 80% | 73% |
| Barometric pressure | 1012 hPa | 1012 hPa | 1011 hPa | 1011 hPa | 1010 hPa | 1008 hPa | 1006 hPa | 1006 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) |
| Dew point | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (49°F) | 10°C (49°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 24km/h (15mph) | 25km/h (16mph) | 27km/h (17mph) | 26km/h (16mph) | 36km/h (22mph) | 37km/h (23mph) | 37km/h (23mph) |
| Gusts | 44km/h (27mph) | 42km/h (26mph) | 31km/h (19mph) | 29km/h (18mph) | 33km/h (20mph) | 39km/h (24mph) | 39km/h (24mph) | 39km/h (24mph) |
| Direction | 188° S | 204° SSW | 198° SSW | 195° SSW | 197° SSW | 187° S | 195° SSW | 202° SSW |
| Wind chill | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 9°C (47°F) |
| Waves | ||||||||
| Height | 0.5m (1.8ft) | 0.7m (2.4ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.6m (2.1ft) | 0.6m (2.0ft) | 0.5m (1.6ft) | 0.6m (2.0ft) |
| Direction | 275° W | 284° WNW | 282° WNW | 275° W | 270° W | 263° W | 215° SW | 193° SSW |
| Period | 5.3 sec. | 4.7 sec. | 5.2 sec. | 5.5 sec. | 4.6 sec. | 4.1 sec. | 4.0 sec. | 5.0 sec. |
| Significant height | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 08:41 and will set at 16:39 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 54°F t and a low of 50°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 30.5mph). 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 | 12°C (54°F) | 12°C (53°F) | 11°C (51°F) | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 10°C (50°F) | 10°C (50°F) |
| Perceived temperature | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 6°C (43°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 72% | 77% | 82% | 80% | 84% | 83% | 80% |
| Barometric pressure | 1005 hPa | 1005 hPa | 1006 hPa | 1006 hPa | 1006 hPa | 1007 hPa | 1009 hPa | 1013 hPa |
| Cloud cover | 62% | 21% | 37% | 63% | 64% | 87% | 49% | 13% |
| Heat index | 12°C (54°F) | 12°C (53°F) | 11°C (51°F) | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 10°C (50°F) | 10°C (50°F) |
| Dew point | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 36km/h (22mph) | 36km/h (22mph) | 36km/h (22mph) | 34km/h (21mph) | 35km/h (21mph) | 41km/h (25mph) | 46km/h (29mph) | 46km/h (29mph) |
| Gusts | 37km/h (23mph) | 37km/h (23mph) | 37km/h (23mph) | 39km/h (24mph) | 41km/h (25mph) | 43km/h (27mph) | 49km/h (30mph) | 48km/h (30mph) |
| Direction | 200° SSW | 200° SSW | 203° SSW | 198° SSW | 195° SSW | 223° SW | 240° WSW | 245° WSW |
| Wind chill | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 6°C (43°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3.0ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.7m (2.3ft) |
| Direction | 200° SSW | 212° SSW | 216° SW | 237° WSW | 225° SW | 238° WSW | 222° SW | 228° SW |
| Period | 5.4 sec. | 5.4 sec. | 5.6 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 08:42 and will set at 16:39 on the beach(es) of Knokke-Heist. The outside temperature will be a high of 50°F t and a low of 45°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 28.6mph). Wave height will be up to 3.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  | | |
| Outside temperature | 10°C (50°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Perceived temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 5°C (41°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 86% | 92% | 94% | 86% | 82% | 85% | 87% |
| Barometric pressure | 1016 hPa | 1018 hPa | 1019 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa |
| Cloud cover | 13% | 17% | 38% | 44% | 24% | 71% | 68% | 51% |
| Heat index | 10°C (50°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Dew point | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 7°C (45°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) |
| Wind | ||||||||
| Speed | 41km/h (25mph) | 28km/h (17mph) | 23km/h (14mph) | 23km/h (15mph) | 23km/h (14mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) |
| Gusts | 46km/h (28mph) | 41km/h (25mph) | 39km/h (24mph) | 39km/h (24mph) | 39km/h (24mph) | 33km/h (21mph) | 27km/h (17mph) | 24km/h (15mph) |
| Direction | 249° WSW | 236° WSW | 220° SW | 202° SSW | 199° SSW | 195° SSW | 186° S | 179° S |
| Wind chill | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 5°C (41°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 1.0m (3.3ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Direction | 241° WSW | 247° WSW | 251° WSW | 252° WSW | 242° WSW | 241° WSW | 221° SW | 210° SSW |
| Period | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |