Sea weather in Grimstad in Norway All the beach weather in Grimstad
All the essential weather information for enjoying the beach in Grimstad in Norway, 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 Grimstad over the next 7 days?
Discover the best moment to go to the beach in Grimstad in Norway this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Grimstad. 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 | 43°F to 47°F | 17.4mph | discouraged | all the sea weather |
| Saturday 6 December 2025 | 43°F to 45°F | 20.5mph | discouraged | all the sea weather |
| Sunday 7 December 2025 | 43°F to 45°F | 22.4mph | discouraged | all the sea weather |
| Monday 8 December 2025 | 41°F to 45°F | 3.7mph | discouraged | all the sea weather |
| Tuesday 9 December 2025 | 43°F to 45°F | 20.5mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 43°F to 47°F | 16.2mph | not recommended | all the sea weather |
| Thursday 11 December 2025 | 43°F to 49°F | 19.3mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Grimstad
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 08:55 and will set at 15:37 on the beach(es) of Grimstad. The outside temperature will be a high of 47°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 17.4mph km/h (with gusts up to 25.5mph). 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 | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Perceived temperature | 4°C (39°F) | 4°C (40°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 2°C (36°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 86% | 86% | 83% | 83% | 84% | 83% | 82% |
| Barometric pressure | 1010 hPa | 1011 hPa | 1012 hPa | 1013 hPa | 1014 hPa | 1013 hPa | 1013 hPa | 1012 hPa |
| Cloud cover | 100% | 81% | 98% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Dew point | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 18km/h (11mph) | 24km/h (15mph) | 27km/h (17mph) | 23km/h (14mph) | 23km/h (14mph) | 28km/h (17mph) | 28km/h (18mph) |
| Gusts | 26km/h (16mph) | 26km/h (16mph) | 33km/h (21mph) | 37km/h (23mph) | 33km/h (20mph) | 33km/h (21mph) | 41km/h (25mph) | 40km/h (25mph) |
| Direction | 122° ESE | 136° SE | 138° SE | 131° SE | 139° SE | 120° ESE | 102° ESE | 91° E |
| Wind chill | 4°C (39°F) | 4°C (40°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 2°C (36°F) |
| Waves | ||||||||
| Height | 0.6m (1.9ft) | 0.5m (1.7ft) | 0.5m (1.7ft) | 0.6m (1.9ft) | 0.7m (2.4ft) | 0.6m (2.1ft) | 0.8m (2.6ft) | 0.9m (3.0ft) |
| Direction | 216° SW | 216° SW | 216° SW | 215° SW | 185° S | 213° SSW | 149° SSE | 123° ESE |
| Period | 6.9 sec. | 6.9 sec. | 6.8 sec. | 6.9 sec. | 7.0 sec. | 6.8 sec. | 6.8 sec. | 6.7 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 08:57 and will set at 15:37 on the beach(es) of Grimstad. The outside temperature will be a high of 45°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 20.5mph km/h (with gusts up to 29.2mph). 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 | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) |
| Perceived temperature | 2°C (35°F) | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) | 2°C (36°F) | 2°C (36°F) | 2°C (35°F) | 2°C (35°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 89% | 87% | 84% | 81% | 82% | 82% | 84% |
| Barometric pressure | 1010 hPa | 1008 hPa | 1006 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1005 hPa |
| Cloud cover | 100% | 100% | 100% | 98% | 86% | 100% | 100% | 100% |
| Heat index | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) |
| Dew point | 5°C (41°F) | 5°C (41°F) | 5°C (40°F) | 4°C (40°F) | 3°C (38°F) | 3°C (38°F) | 4°C (38°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 30km/h (18mph) | 22km/h (14mph) | 20km/h (12mph) | 20km/h (13mph) | 22km/h (14mph) | 25km/h (15mph) | 31km/h (19mph) | 33km/h (21mph) |
| Gusts | 40km/h (25mph) | 31km/h (19mph) | 27km/h (17mph) | 28km/h (18mph) | 32km/h (20mph) | 37km/h (23mph) | 47km/h (29mph) | 47km/h (29mph) |
| Direction | 92° E | 100° E | 105° ESE | 139° SE | 132° SE | 118° ESE | 114° ESE | 113° ESE |
| Wind chill | 2°C (35°F) | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) | 2°C (36°F) | 2°C (36°F) | 2°C (35°F) | 2°C (35°F) |
| Waves | ||||||||
| Height | 1.0m (3.4ft) | 1.2m (3.9ft) | 1.5m (4.9ft) | 1.6m (5.1ft) | 1.5m (4.8ft) | 1.5m (4.8ft) | 1.6m (5.2ft) | 1.6m (5.4ft) |
| Direction | 111° ESE | 113° ESE | 113° ESE | 116° ESE | 119° ESE | 117° ESE | 116° ESE | 114° ESE |
| Period | 6.6 sec. | 6.5 sec. | 6.4 sec. | 6.3 sec. | 6.1 sec. | 8.0 sec. | 8.4 sec. | 8.5 sec. |
| Significant height | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 0.5m (1.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 08:58 and will set at 15:36 on the beach(es) of Grimstad. The outside temperature will be a high of 45°F t and a low of 43°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 22.4mph km/h (with gusts up to 32.9mph). 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 | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 6°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Perceived temperature | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 1°C (35°F) | 1°C (35°F) | 1°C (34°F) | 1°C (35°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 91% | 91% | 90% | 89% | 91% | 92% | 93% |
| Barometric pressure | 1004 hPa | 1004 hPa | 1004 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1004 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 6°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Dew point | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (42°F) |
| Wind | ||||||||
| Speed | 34km/h (21mph) | 34km/h (21mph) | 35km/h (22mph) | 35km/h (22mph) | 36km/h (22mph) | 35km/h (21mph) | 36km/h (22mph) | 36km/h (22mph) |
| Gusts | 46km/h (28mph) | 47km/h (29mph) | 48km/h (30mph) | 49km/h (30mph) | 52km/h (32mph) | 50km/h (31mph) | 53km/h (33mph) | 51km/h (32mph) |
| Direction | 105° ESE | 98° E | 85° E | 82° E | 71° ENE | 67° ENE | 60° ENE | 59° ENE |
| Wind chill | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 1°C (35°F) | 1°C (35°F) | 1°C (34°F) | 1°C (35°F) |
| Waves | ||||||||
| Height | 1.6m (5.3ft) | 1.5m (4.9ft) | 1.4m (4.7ft) | 1.4m (4.5ft) | 1.3m (4.1ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.5ft) |
| Direction | 114° ESE | 116° ESE | 106° ESE | 94° E | 87° E | 91° E | 85° E | 81° E |
| Period | 8.3 sec. | 8.0 sec. | 7.6 sec. | 7.4 sec. | 7.2 sec. | 6.9 sec. | 6.9 sec. | 7.1 sec. |
| Significant height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 09:00 and will set at 15:35 on the beach(es) of Grimstad. 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! The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 34.2mph). 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 | 7°C (44°F) | 6°C (44°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (42°F) | 6°C (42°F) |
| Perceived temperature | 2°C (36°F) | 1°C (35°F) | 0°C (32°F) | 0°C (33°F) | 1°C (33°F) | 2°C (35°F) | 3°C (37°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 94% | 94% | 92% | 90% | 86% | 82% | 84% | 85% |
| Barometric pressure | 1004 hPa | 1003 hPa | 1003 hPa | 1003 hPa | 1006 hPa | 1007 hPa | 1008 hPa | 1010 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 7°C (44°F) | 6°C (44°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (42°F) | 6°C (42°F) |
| Dew point | 6°C (43°F) | 6°C (42°F) | 5°C (40°F) | 4°C (39°F) | 3°C (38°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 35km/h (22mph) | 40km/h (25mph) | 37km/h (23mph) | 30km/h (19mph) | 23km/h (14mph) | 13km/h (8mph) | 6km/h (4mph) |
| Gusts | 47km/h (29mph) | 50km/h (31mph) | 55km/h (34mph) | 51km/h (32mph) | 42km/h (26mph) | 33km/h (20mph) | 20km/h (12mph) | 8km/h (5mph) |
| Direction | 54° NE | 51° NE | 40° NE | 37° NE | 37° NE | 44° NE | 49° NE | 39° NE |
| Wind chill | 2°C (36°F) | 1°C (35°F) | 0°C (32°F) | 0°C (33°F) | 1°C (33°F) | 2°C (35°F) | 3°C (37°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.2m (3.8ft) | 1.2m (4.0ft) | 1.2m (4.0ft) | 1.1m (3.5ft) | 1.6m (5.4ft) | 1.3m (4.4ft) | 1.1m (3.5ft) |
| Direction | 76° ENE | 72° ENE | 68° ENE | 62° ENE | 59° ENE | 122° ESE | 187° S | 212° SSW |
| Period | 7.2 sec. | 7.2 sec. | 7.0 sec. | 6.8 sec. | 6.7 sec. | 6.3 sec. | 8.4 sec. | 8.8 sec. |
| Significant height | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 09:01 and will set at 15:35 on the beach(es) of Grimstad. The outside temperature will be a high of 45°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 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 2.6ft 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) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) |
| Perceived temperature | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 5°C (40°F) | 3°C (37°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 88% | 90% | 94% | 91% | 90% | 90% | 91% |
| Barometric pressure | 1010 hPa | 1010 hPa | 1009 hPa | 1008 hPa | 1008 hPa | 1006 hPa | 1006 hPa | 1005 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 94% | 97% | 100% |
| Heat index | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) |
| Dew point | 4°C (39°F) | 4°C (40°F) | 5°C (42°F) | 6°C (43°F) | 5°C (41°F) | 5°C (40°F) | 4°C (40°F) | 5°C (40°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 5km/h (3mph) | 7km/h (4mph) | 13km/h (8mph) | 19km/h (12mph) | 20km/h (12mph) | 27km/h (17mph) | 33km/h (21mph) |
| Gusts | 8km/h (5mph) | 7km/h (5mph) | 11km/h (7mph) | 20km/h (12mph) | 28km/h (18mph) | 29km/h (18mph) | 41km/h (25mph) | 48km/h (30mph) |
| Direction | 52° NE | 93° E | 95° E | 169° SSE | 145° SE | 74° ENE | 43° NE | 47° NE |
| Wind chill | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 5°C (40°F) | 3°C (37°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) |
| Waves | ||||||||
| Height | 0.8m (2.7ft) | 0.7m (2.2ft) | 0.6m (1.9ft) | 0.5m (1.8ft) | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) |
| Direction | 218° SW | 222° SW | 221° SW | 221° SW | 219° SW | 219° SW | 220° SW | 220° SW |
| Period | 8.7 sec. | 8.3 sec. | 7.8 sec. | 7.5 sec. | 7.1 sec. | 6.9 sec. | 6.8 sec. | 7.1 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 6°C (44°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 09:03 and will set at 15:35 on the beach(es) of Grimstad. The outside temperature will be a high of 47°F t and a low of 43°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 28mph km/h (with gusts up to 39.2mph). 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 | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 8°C (46°F) |
| Perceived temperature | 1°C (33°F) | 0°C (32°F) | 0°C (32°F) | 1°C (34°F) | 3°C (38°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 92% | 95% | 96% | 98% | 95% | 92% | 91% |
| Barometric pressure | 1004 hPa | 1002 hPa | 1000 hPa | 998 hPa | 995 hPa | 995 hPa | 995 hPa | 995 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 8°C (46°F) |
| Dew point | 5°C (40°F) | 5°C (40°F) | 5°C (41°F) | 6°C (43°F) | 7°C (44°F) | 6°C (42°F) | 5°C (41°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 38km/h (24mph) | 42km/h (26mph) | 45km/h (28mph) | 41km/h (26mph) | 26km/h (16mph) | 15km/h (10mph) | 12km/h (8mph) | 26km/h (16mph) |
| Gusts | 53km/h (33mph) | 58km/h (36mph) | 63km/h (39mph) | 59km/h (36mph) | 40km/h (25mph) | 24km/h (15mph) | 20km/h (12mph) | 32km/h (20mph) |
| Direction | 52° NE | 55° NE | 56° ENE | 61° ENE | 56° ENE | 226° SW | 246° WSW | 229° SW |
| Wind chill | 1°C (33°F) | 0°C (32°F) | 0°C (32°F) | 1°C (34°F) | 3°C (38°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2.0ft) | 0.9m (3.0ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) |
| Direction | 219° SW | 219° SW | 122° ESE | 86° E | 152° SSE | 189° S | 202° SSW | 192° SSW |
| Period | 7.3 sec. | 7.0 sec. | 6.8 sec. | 6.6 sec. | 6.5 sec. | 6.5 sec. | 6.5 sec. | 5.8 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 09:04 and will set at 15:34 on the beach(es) of Grimstad. 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! Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 29.2mph). 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 | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (45°F) |
| Perceived temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 2°C (35°F) | 3°C (37°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 81% | 73% | 72% | 75% | 72% | 73% | 78% |
| Barometric pressure | 995 hPa | 995 hPa | 997 hPa | 998 hPa | 1001 hPa | 1005 hPa | 1008 hPa | 1011 hPa |
| Cloud cover | 77% | 70% | 81% | 60% | 71% | 41% | 11% | 25% |
| Heat index | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (45°F) |
| Dew point | 7°C (44°F) | 5°C (42°F) | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) | 3°C (38°F) | 2°C (36°F) | 4°C (38°F) |
| Wind | ||||||||
| Speed | 34km/h (21mph) | 37km/h (23mph) | 44km/h (28mph) | 46km/h (29mph) | 44km/h (27mph) | 38km/h (23mph) | 35km/h (22mph) | 31km/h (19mph) |
| Gusts | 47km/h (29mph) | 45km/h (28mph) | 46km/h (29mph) | 47km/h (29mph) | 46km/h (28mph) | 42km/h (26mph) | 39km/h (24mph) | 44km/h (27mph) |
| Direction | 240° WSW | 253° WSW | 260° W | 261° W | 267° W | 277° W | 271° W | 270° W |
| Wind chill | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 2°C (35°F) | 3°C (37°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2.0ft) | 0.6m (2.0ft) |
| Direction | 210° SSW | 223° SW | 219° SW | 217° SW | 218° SW | 215° SW | 214° SW | 215° SW |
| Period | 7.1 sec. | 5.9 sec. | 4.8 sec. | 4.6 sec. | 6.3 sec. | 5.7 sec. | 5.0 sec. | 5.0 sec. |
| Significant height | 1.3m (4.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) |