Sea weather in Katwijk aan Zee in the Netherlands All the beach weather in Katwijk aan Zee
All the essential weather information for enjoying the beach in Katwijk aan Zee in the Netherlands, 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 Katwijk aan Zee over the next 7 days?
Discover the best moment to go to the beach in Katwijk aan Zee in the Netherlands this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Katwijk aan Zee. 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 | 43°F to 49°F | 17.4mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 49°F to 50°F | 9.3mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 45°F to 49°F | 11.2mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 45°F to 50°F | 25.5mph | not recommended | all the sea weather |
| Friday 19 December 2025 | 40°F to 50°F | 11.2mph | not recommended | all the sea weather |
| Saturday 20 December 2025 | 36°F to 47°F | 13.7mph | discouraged | all the sea weather |
| Sunday 21 December 2025 | 40°F to 41°F | 11.2mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Katwijk aan Zee
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 08:46 and will set at 16:30 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 49°F t and a low of 43°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 32.9mph). 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 | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 6°C (43°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) |
| Perceived temperature | 4°C (39°F) | 4°C (38°F) | 3°C (38°F) | 3°C (38°F) | 1°C (34°F) | 4°C (40°F) | 5°C (41°F) | 5°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 86% | 83% | 82% | 81% | 80% | 82% | 84% |
| Barometric pressure | 1016 hPa | 1014 hPa | 1012 hPa | 1012 hPa | 1012 hPa | 1011 hPa | 1011 hPa | 1011 hPa |
| Cloud cover | 19% | 6% | 6% | 0% | 2% | 9% | 100% | 89% |
| Heat index | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 6°C (43°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) |
| Dew point | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 3°C (38°F) | 5°C (41°F) | 6°C (43°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 36km/h (22mph) | 35km/h (22mph) | 34km/h (21mph) | 37km/h (23mph) | 30km/h (19mph) | 27km/h (17mph) | 28km/h (17mph) |
| Gusts | 53km/h (33mph) | 51km/h (32mph) | 52km/h (32mph) | 50km/h (31mph) | 39km/h (24mph) | 32km/h (20mph) | 43km/h (26mph) | 44km/h (27mph) |
| Direction | 198° SSW | 194° SSW | 184° S | 185° S | 195° SSW | 195° SSW | 182° S | 183° S |
| Wind chill | 4°C (39°F) | 4°C (38°F) | 3°C (38°F) | 3°C (38°F) | 1°C (34°F) | 4°C (40°F) | 5°C (41°F) | 5°C (42°F) |
| Waves | ||||||||
| Height | 0.3m (0.8ft) | 0.2m (0.7ft) | 0.3m (0.9ft) | 0.6m (1.9ft) | 0.3m (1.0ft) | 0.2m (0.5ft) | 0.6m (1.8ft) | 0.2m (0.8ft) |
| Direction | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° |
| Period | 0.3 sec. | 1.0 sec. | 1.0 sec. | 0.2 sec. | 0.1 sec. | 0.5 sec. | 0.8 sec. | 0.5 sec. |
| Significant height | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.9m (3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 08:47 and will set at 16:30 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 50°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! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 26.7mph). Wave height will be up to 1.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (49°F) | 9°C (49°F) |
| Perceived temperature | 6°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 87% | 83% | 81% | 79% | 79% | 70% | 74% |
| Barometric pressure | 1011 hPa | 1011 hPa | 1010 hPa | 1012 hPa | 1013 hPa | 1013 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 100% | 40% | 73% | 57% | 59% | 24% | 29% | 32% |
| Heat index | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (49°F) | 9°C (49°F) |
| Dew point | 7°C (44°F) | 7°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (43°F) | 6°C (43°F) | 4°C (40°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 26km/h (16mph) | 25km/h (16mph) | 23km/h (15mph) | 24km/h (15mph) | 21km/h (13mph) | 19km/h (12mph) | 15km/h (10mph) |
| Gusts | 41km/h (26mph) | 43km/h (27mph) | 43km/h (27mph) | 40km/h (25mph) | 30km/h (18mph) | 24km/h (15mph) | 24km/h (15mph) | 30km/h (18mph) |
| Direction | 172° S | 160° SSE | 160° SSE | 173° S | 182° S | 204° SSW | 175° S | 204° SSW |
| Wind chill | 6°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 0.1m (0.3ft) | 0.2m (0.6ft) | 0.1m (0.4ft) | 0.1m (0.5ft) | 0.4m (1.2ft) | 0.4m (1.5ft) | 0.2m (0.7ft) | 0.2m (0.5ft) |
| Direction | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° |
| Period | 0.2 sec. | 0.2 sec. | 0.3 sec. | 0.6 sec. | 0.1 sec. | 0.7 sec. | 0.9 sec. | 0.1 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 08:48 and will set at 16:30 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 49°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! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 19.3mph). 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 | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) |
| Perceived temperature | 7°C (44°F) | 7°C (45°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 5°C (41°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 92% | 95% | 88% | 84% | 83% | 84% | 89% |
| Barometric pressure | 1016 hPa | 1016 hPa | 1018 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa |
| Cloud cover | 69% | 100% | 99% | 93% | 12% | 37% | 11% | 21% |
| Heat index | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) |
| Dew point | 6°C (43°F) | 8°C (47°F) | 8°C (47°F) | 7°C (45°F) | 6°C (42°F) | 5°C (42°F) | 5°C (41°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 15km/h (10mph) | 21km/h (13mph) | 13km/h (8mph) | 7km/h (4mph) | 6km/h (4mph) | 12km/h (7mph) | 18km/h (11mph) |
| Gusts | 31km/h (19mph) | 25km/h (16mph) | 31km/h (19mph) | 19km/h (12mph) | 11km/h (7mph) | 10km/h (6mph) | 22km/h (13mph) | 27km/h (17mph) |
| Direction | 203° SSW | 229° SW | 356° N | 347° NNW | 339° NNW | 261° W | 215° SW | 204° SSW |
| Wind chill | 7°C (44°F) | 7°C (45°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 5°C (41°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.3m (0.9ft) | 0.6m (1.9ft) | 0.1m (0.4ft) | 0.2m (0.8ft) | 0.6m (1.9ft) | 0.2m (0.5ft) | 0.5m (1.5ft) | 0.3m (1.0ft) |
| Direction | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° |
| Period | 0.6 sec. | 0.7 sec. | 0.8 sec. | 1.0 sec. | 0.7 sec. | 0.5 sec. | 1.0 sec. | 0.2 sec. |
| Significant height | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 08:48 and will set at 16:30 on the beach(es) of Katwijk aan Zee. 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 26.7mph). 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 | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 9°C (49°F) | 9°C (49°F) | 10°C (50°F) |
| Perceived temperature | 5°C (41°F) | 5°C (40°F) | 4°C (38°F) | 3°C (37°F) | 4°C (39°F) | 5°C (42°F) | 5°C (41°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 84% | 90% | 90% | 89% | 86% | 83% | 77% |
| Barometric pressure | 1021 hPa | 1020 hPa | 1019 hPa | 1018 hPa | 1016 hPa | 1014 hPa | 1011 hPa | 1010 hPa |
| Cloud cover | 19% | 35% | 38% | 31% | 23% | 34% | 50% | 44% |
| Heat index | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 9°C (49°F) | 9°C (49°F) | 10°C (50°F) |
| Dew point | 6°C (44°F) | 5°C (42°F) | 6°C (43°F) | 5°C (42°F) | 6°C (43°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 22km/h (13mph) | 26km/h (16mph) | 26km/h (16mph) | 24km/h (15mph) | 31km/h (19mph) | 37km/h (23mph) | 41km/h (25mph) |
| Gusts | 31km/h (19mph) | 34km/h (21mph) | 38km/h (24mph) | 39km/h (24mph) | 40km/h (25mph) | 32km/h (20mph) | 41km/h (26mph) | 43km/h (27mph) |
| Direction | 200° SSW | 187° S | 192° SSW | 178° S | 168° SSE | 171° S | 164° SSE | 175° S |
| Wind chill | 5°C (41°F) | 5°C (40°F) | 4°C (38°F) | 3°C (37°F) | 4°C (39°F) | 5°C (42°F) | 5°C (41°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.6m (1.9ft) | 0.3m (0.9ft) | 0.3m (1.0ft) | 0.2m (0.6ft) | 0.2m (0.7ft) | 0.6m (1.8ft) | 0.2m (0.7ft) | 0.5m (1.6ft) |
| Direction | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° | 9999° |
| Period | 0.1 sec. | 0.1 sec. | 0.5 sec. | 0.1 sec. | 0.3 sec. | 0.1 sec. | 0.9 sec. | 0.1 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 08:49 and will set at 16:31 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 50°F t and a low of 40°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 3.9ft 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) | 10°C (49°F) | 10°C (50°F) | 8°C (47°F) | 7°C (45°F) | 5°C (41°F) | 7°C (44°F) |
| Perceived temperature | 6°C (43°F) | 5°C (41°F) | 5°C (42°F) | 6°C (43°F) | 4°C (40°F) | 4°C (39°F) | 1°C (35°F) | 4°C (38°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 78% | 85% | 90% | 84% | 75% | 74% | 72% | 73% |
| Barometric pressure | 1009 hPa | 1009 hPa | 1009 hPa | 1012 hPa | 1015 hPa | 1017 hPa | 1019 hPa | 1020 hPa |
| Cloud cover | 71% | 100% | 100% | 81% | 21% | 17% | 3% | 3% |
| Heat index | 10°C (50°F) | 9°C (49°F) | 10°C (49°F) | 10°C (50°F) | 8°C (47°F) | 7°C (45°F) | 5°C (41°F) | 7°C (44°F) |
| Dew point | 6°C (43°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) | 4°C (39°F) | 3°C (37°F) | 1°C (33°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 40km/h (25mph) | 41km/h (26mph) | 43km/h (27mph) | 36km/h (22mph) | 27km/h (17mph) | 23km/h (15mph) | 19km/h (12mph) | 18km/h (11mph) |
| Gusts | 45km/h (28mph) | 44km/h (27mph) | 47km/h (30mph) | 42km/h (26mph) | 42km/h (26mph) | 38km/h (23mph) | 29km/h (18mph) | 27km/h (17mph) |
| Direction | 184° S | 187° S | 200° SSW | 234° SW | 291° WNW | 276° W | 264° W | 248° WSW |
| Wind chill | 6°C (43°F) | 5°C (41°F) | 5°C (42°F) | 6°C (43°F) | 4°C (40°F) | 4°C (39°F) | 1°C (35°F) | 4°C (38°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 1.1m (3.7ft) | 1.2m (3.8ft) | 1.2m (3.8ft) | 1.1m (3.7ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Direction | 9999° | 243° WSW | 246° WSW | 247° WSW | 248° WSW | 246° WSW | 247° WSW | 246° WSW |
| Period | 0.1 sec. | 21.9 sec. | 21.6 sec. | 21.2 sec. | 20.8 sec. | 20.1 sec. | 19.7 sec. | 10.3 sec. |
| Significant height | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 08:49 and will set at 16:31 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 47°F t and a low of 36°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 16.2mph km/h (with gusts up to 24.9mph). 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 | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 4°C (40°F) | 3°C (37°F) | 4°C (40°F) |
| Perceived temperature | 5°C (41°F) | 5°C (41°F) | 3°C (38°F) | 2°C (36°F) | 2°C (35°F) | 0°C (32°F) | -2°C (28°F) | -0°C (32°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 78% | 81% | 83% | 84% | 81% | 78% | 78% | 74% |
| Barometric pressure | 1020 hPa | 1020 hPa | 1019 hPa | 1019 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1015 hPa |
| Cloud cover | 3% | 2% | 5% | 11% | 8% | 3% | 2% | 3% |
| Heat index | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 4°C (40°F) | 3°C (37°F) | 4°C (40°F) |
| Dew point | 5°C (40°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 3°C (37°F) | 1°C (34°F) | -1°C (30°F) | 0°C (32°F) |
| Wind | ||||||||
| Speed | 20km/h (13mph) | 20km/h (13mph) | 23km/h (14mph) | 26km/h (16mph) | 26km/h (16mph) | 23km/h (14mph) | 22km/h (14mph) | 22km/h (14mph) |
| Gusts | 30km/h (19mph) | 31km/h (19mph) | 33km/h (21mph) | 37km/h (23mph) | 40km/h (25mph) | 30km/h (19mph) | 24km/h (15mph) | 30km/h (19mph) |
| Direction | 234° SW | 219° SW | 196° SSW | 186° S | 187° S | 177° S | 162° SSE | 153° SSE |
| Wind chill | 5°C (41°F) | 5°C (41°F) | 3°C (38°F) | 2°C (36°F) | 2°C (35°F) | 0°C (32°F) | -2°C (28°F) | -0°C (32°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) |
| Direction | 246° WSW | 257° WSW | 264° W | 274° W | 284° WNW | 297° WNW | 312° NW | 320° NW |
| Period | 5.5 sec. | 5.1 sec. | 4.5 sec. | 4.2 sec. | 4.1 sec. | 4.7 sec. | 5.2 sec. | 5.5 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) |
| 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) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 08:50 and will set at 16:32 on the beach(es) of Katwijk aan Zee. The outside temperature will be a high of 41°F t and a low of 40°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 12.4mph km/h (with gusts up to 19.3mph). Wave height will be up to 1.6ft 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) | 5°C (41°F) | 5°C (40°F) | 4°C (40°F) | 5°C (40°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) |
| Perceived temperature | 1°C (34°F) | 1°C (34°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 1°C (35°F) | 1°C (34°F) | 2°C (35°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 73% | 72% | 77% | 81% | 83% | 84% | 85% |
| Barometric pressure | 1014 hPa | 1012 hPa | 1012 hPa | 1011 hPa | 1011 hPa | 1010 hPa | 1011 hPa | 1011 hPa |
| Cloud cover | 12% | 9% | 49% | 30% | 20% | 19% | 20% | 30% |
| Heat index | 5°C (41°F) | 5°C (41°F) | 5°C (40°F) | 4°C (40°F) | 5°C (40°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) |
| Dew point | 1°C (33°F) | 0°C (33°F) | 0°C (32°F) | 1°C (33°F) | 2°C (35°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) |
| Wind | ||||||||
| Speed | 20km/h (13mph) | 18km/h (11mph) | 18km/h (11mph) | 19km/h (12mph) | 18km/h (11mph) | 18km/h (11mph) | 18km/h (11mph) | 18km/h (11mph) |
| Gusts | 30km/h (19mph) | 27km/h (17mph) | 27km/h (17mph) | 28km/h (17mph) | 27km/h (17mph) | 28km/h (17mph) | 31km/h (19mph) | 30km/h (19mph) |
| Direction | 155° SSE | 158° SSE | 156° SSE | 156° SSE | 156° SSE | 151° SSE | 148° SSE | 148° SSE |
| Wind chill | 1°C (34°F) | 1°C (34°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 1°C (35°F) | 1°C (34°F) | 2°C (35°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Direction | 322° NW | 321° NW | 319° NW | 306° NW | 287° WNW | 269° W | 258° WSW | 251° WSW |
| Period | 5.5 sec. | 5.3 sec. | 5.0 sec. | 4.4 sec. | 4.3 sec. | 4.5 sec. | 4.8 sec. | 4.9 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| 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) |