Sea weather in Alta in Lapland All the beach weather in Alta
All the essential weather information for enjoying the beach in Alta in Lapland, 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 Alta over the next 7 days?
Discover the best moment to go to the beach in Alta in Lapland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Alta. 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 |
|---|---|---|---|---|
| Saturday 13 December 2025 | 18°F to 22°F | 13.1mph | not recommended | all the sea weather |
| Sunday 14 December 2025 | 20°F to 25°F | 16.2mph | not recommended | all the sea weather |
| Monday 15 December 2025 | 25°F to 38°F | 10.6mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 38°F to 40°F | 12.4mph | not recommended | all the sea weather |
| Wednesday 17 December 2025 | 32°F to 38°F | 9.3mph | not recommended | all the sea weather |
| Thursday 18 December 2025 | 25°F to 32°F | 9.9mph | not recommended | all the sea weather |
| Friday 19 December 2025 | 31°F to 40°F | 14.9mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Alta
Sea weather on Saturday 13 December 2025
On Saturday 13 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 22°F t and a low of 18°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 18.6mph km/h (with gusts up to 24.9mph). 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 | -6°C (22°F) | -6°C (22°F) | -6°C (21°F) | -7°C (20°F) | -8°C (18°F) | -7°C (19°F) | -6°C (20°F) | -6°C (22°F) |
| Perceived temperature | -13°C (8°F) | -14°C (7°F) | -14°C (6°F) | -15°C (4°F) | -16°C (3°F) | -15°C (5°F) | -14°C (7°F) | -13°C (9°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 74% | 72% | 69% | 69% | 80% | 79% | 76% | 77% |
| Barometric pressure | 1024 hPa | 1021 hPa | 1018 hPa | 1016 hPa | 1014 hPa | 1013 hPa | 1011 hPa | 1010 hPa |
| Cloud cover | 0% | 74% | 32% | 100% | 13% | 100% | 100% | 100% |
| Heat index | -6°C (22°F) | -6°C (22°F) | -6°C (21°F) | -7°C (20°F) | -8°C (18°F) | -7°C (19°F) | -6°C (20°F) | -6°C (22°F) |
| Dew point | -10°C (15°F) | -10°C (14°F) | -11°C (12°F) | -11°C (11°F) | -10°C (13°F) | -10°C (14°F) | -10°C (14°F) | -9°C (16°F) |
| Wind | ||||||||
| Speed | 25km/h (15mph) | 28km/h (18mph) | 30km/h (18mph) | 30km/h (19mph) | 27km/h (17mph) | 24km/h (15mph) | 23km/h (15mph) | 21km/h (13mph) |
| Gusts | 32km/h (20mph) | 29km/h (18mph) | 31km/h (19mph) | 30km/h (19mph) | 29km/h (18mph) | 40km/h (25mph) | 37km/h (23mph) | 31km/h (19mph) |
| Direction | 131° SE | 135° SE | 129° SE | 138° SE | 135° SE | 142° SE | 146° SE | 145° SE |
| Wind chill | -13°C (8°F) | -14°C (7°F) | -14°C (6°F) | -15°C (4°F) | -16°C (3°F) | -15°C (5°F) | -14°C (7°F) | -13°C (9°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.6m (2.0ft) | 0.7m (2.2ft) | 0.7m (2.4ft) | 0.8m (2.6ft) | 0.8m (2.8ft) | 0.9m (2.9ft) | 0.9m (3.0ft) |
| Direction | 262° W | 262° W | 261° W | 261° W | 260° W | 259° W | 260° W | 260° W |
| Period | 14.0 sec. | 16.9 sec. | 16.8 sec. | 16.1 sec. | 15.5 sec. | 14.9 sec. | 15.1 sec. | 15.2 sec. |
| Significant height | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 25°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 20.5mph km/h (with gusts up to 27.3mph). 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 (22°F) | -5°C (22°F) | -6°C (21°F) | -6°C (21°F) | -7°C (20°F) | -6°C (22°F) | -5°C (24°F) | -4°C (24°F) |
| Perceived temperature | -12°C (10°F) | -12°C (10°F) | -14°C (8°F) | -14°C (7°F) | -16°C (4°F) | -14°C (6°F) | -13°C (9°F) | -12°C (11°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 78% | 78% | 78% | 80% | 79% | 81% | 86% |
| Barometric pressure | 1009 hPa | 1007 hPa | 1003 hPa | 1000 hPa | 997 hPa | 994 hPa | 993 hPa | 993 hPa |
| Cloud cover | 57% | 35% | 24% | 31% | 8% | 55% | 100% | 88% |
| Heat index | -6°C (22°F) | -5°C (22°F) | -6°C (21°F) | -6°C (21°F) | -7°C (20°F) | -6°C (22°F) | -5°C (24°F) | -4°C (24°F) |
| Dew point | -9°C (17°F) | -8°C (17°F) | -9°C (16°F) | -9°C (16°F) | -10°C (14°F) | -9°C (16°F) | -7°C (19°F) | -6°C (21°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 21km/h (13mph) | 25km/h (16mph) | 29km/h (18mph) | 32km/h (20mph) | 33km/h (20mph) | 30km/h (19mph) | 26km/h (16mph) |
| Gusts | 32km/h (20mph) | 34km/h (21mph) | 27km/h (17mph) | 29km/h (18mph) | 38km/h (24mph) | 37km/h (23mph) | 44km/h (28mph) | 39km/h (24mph) |
| Direction | 143° SE | 139° SE | 137° SE | 137° SE | 138° SE | 141° SE | 145° SE | 136° SE |
| Wind chill | -12°C (10°F) | -12°C (10°F) | -14°C (8°F) | -14°C (7°F) | -16°C (4°F) | -14°C (6°F) | -13°C (9°F) | -12°C (11°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.9m (3.0ft) | 1.0m (3.2ft) | 1.1m (3.5ft) | 1.1m (3.8ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Direction | 260° W | 260° W | 260° W | 260° W | 260° W | 260° W | 260° W | 260° W |
| Period | 14.7 sec. | 14.6 sec. | 15.7 sec. | 16.1 sec. | 15.5 sec. | 15.1 sec. | 14.9 sec. | 14.7 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 38°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! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 24.2mph). 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 | -4°C (25°F) | -3°C (26°F) | -3°C (28°F) | -3°C (26°F) | -2°C (28°F) | -1°C (30°F) | -1°C (30°F) | 2°C (35°F) |
| Perceived temperature | -11°C (12°F) | -10°C (14°F) | -9°C (16°F) | -10°C (14°F) | -9°C (16°F) | -7°C (19°F) | -5°C (23°F) | -2°C (28°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in | 0in |
| Humidity | 89% | 88% | 83% | 87% | 85% | 84% | 97% | 89% |
| Barometric pressure | 994 hPa | 994 hPa | 994 hPa | 992 hPa | 990 hPa | 987 hPa | 987 hPa | 987 hPa |
| Cloud cover | 91% | 100% | 41% | 23% | 100% | 100% | 100% | 66% |
| Heat index | -4°C (25°F) | -3°C (26°F) | -3°C (28°F) | -3°C (26°F) | -2°C (28°F) | -1°C (30°F) | -1°C (30°F) | 2°C (35°F) |
| Dew point | -6°C (22°F) | -5°C (23°F) | -5°C (23°F) | -5°C (23°F) | -4°C (24°F) | -4°C (26°F) | -1°C (30°F) | 0°C (32°F) |
| Wind | ||||||||
| Speed | 25km/h (15mph) | 24km/h (15mph) | 22km/h (14mph) | 26km/h (16mph) | 26km/h (16mph) | 22km/h (14mph) | 14km/h (9mph) | 17km/h (10mph) |
| Gusts | 38km/h (23mph) | 39km/h (24mph) | 24km/h (15mph) | 32km/h (20mph) | 31km/h (19mph) | 38km/h (23mph) | 22km/h (13mph) | 29km/h (18mph) |
| Direction | 136° SE | 140° SE | 130° SE | 124° ESE | 136° SE | 130° SE | 182° S | 226° SW |
| Wind chill | -11°C (12°F) | -10°C (14°F) | -9°C (16°F) | -10°C (14°F) | -9°C (16°F) | -7°C (19°F) | -5°C (23°F) | -2°C (28°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.9m (3.1ft) | 0.9m (2.9ft) | 0.9m (3.1ft) |
| Direction | 259° WSW | 259° WSW | 258° WSW | 259° WSW | 258° WSW | 258° WSW | 257° WSW | 258° WSW |
| Period | 14.5 sec. | 14.1 sec. | 13.8 sec. | 13.5 sec. | 13.4 sec. | 13.2 sec. | 13.2 sec. | 13.4 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 40°F t and a low of 38°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 34.8mph). 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 | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) |
| Perceived temperature | -3°C (26°F) | -3°C (27°F) | -3°C (26°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) | -3°C (27°F) | -1°C (29°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 96% | 88% | 84% | 82% | 92% | 84% | 82% | 78% |
| Barometric pressure | 987 hPa | 990 hPa | 992 hPa | 995 hPa | 997 hPa | 998 hPa | 999 hPa | 999 hPa |
| Cloud cover | 100% | 100% | 54% | 73% | 87% | 71% | 49% | 62% |
| Heat index | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) |
| Dew point | 2°C (36°F) | 2°C (36°F) | 1°C (34°F) | 1°C (34°F) | 2°C (36°F) | 1°C (34°F) | -0°C (32°F) | -0°C (31°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 49km/h (30mph) | 53km/h (33mph) | 41km/h (25mph) | 32km/h (20mph) | 32km/h (20mph) | 28km/h (17mph) | 20km/h (13mph) |
| Gusts | 54km/h (34mph) | 52km/h (32mph) | 56km/h (35mph) | 47km/h (29mph) | 50km/h (31mph) | 32km/h (20mph) | 31km/h (19mph) | 22km/h (14mph) |
| Direction | 242° WSW | 256° WSW | 266° W | 267° W | 235° SW | 236° SW | 231° SW | 174° S |
| Wind chill | -3°C (26°F) | -3°C (27°F) | -3°C (26°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) | -3°C (27°F) | -1°C (29°F) |
| Waves | ||||||||
| Height | 1.2m (4.0ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.4ft) | 1.0m (3.2ft) | 0.9m (2.9ft) | 1.0m (3.2ft) | 1.0m (3.3ft) |
| Direction | 258° WSW | 259° WSW | 259° W | 258° WSW | 259° WSW | 259° WSW | 259° W | 260° W |
| Period | 12.6 sec. | 12.2 sec. | 12.4 sec. | 12.2 sec. | 12.2 sec. | 13.3 sec. | 13.3 sec. | 13.5 sec. |
| Significant height | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 38°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! The sea will be generally calm, with a wind speed of up to 11.2mph km/h (with gusts up to 19.9mph). 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 | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 3°C (37°F) | 2°C (35°F) | 2°C (35°F) | 1°C (33°F) | 0°C (33°F) |
| Perceived temperature | -1°C (30°F) | 0°C (33°F) | -1°C (30°F) | -1°C (30°F) | -2°C (28°F) | -3°C (27°F) | -4°C (26°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 74% | 71% | 75% | 91% | 85% | 81% | 78% |
| Barometric pressure | 998 hPa | 998 hPa | 997 hPa | 998 hPa | 1000 hPa | 1001 hPa | 1002 hPa | 1003 hPa |
| Cloud cover | 49% | 100% | 93% | 90% | 51% | 54% | 36% | 21% |
| Heat index | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 3°C (37°F) | 2°C (35°F) | 2°C (35°F) | 1°C (33°F) | 0°C (33°F) |
| Dew point | -2°C (29°F) | -1°C (30°F) | -2°C (28°F) | -1°C (30°F) | 1°C (33°F) | -1°C (31°F) | -2°C (28°F) | -3°C (26°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 12km/h (7mph) | 12km/h (7mph) | 14km/h (9mph) | 16km/h (10mph) | 18km/h (11mph) | 16km/h (10mph) | 15km/h (9mph) |
| Gusts | 32km/h (20mph) | 22km/h (14mph) | 24km/h (15mph) | 26km/h (16mph) | 26km/h (16mph) | 32km/h (20mph) | 32km/h (20mph) | 31km/h (19mph) |
| Direction | 175° S | 162° SSE | 164° SSE | 244° WSW | 213° SSW | 216° SW | 204° SSW | 173° S |
| Wind chill | -1°C (30°F) | 0°C (33°F) | -1°C (30°F) | -1°C (30°F) | -2°C (28°F) | -3°C (27°F) | -4°C (26°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 1.2m (3.8ft) | 1.5m (4.9ft) | 1.4m (4.5ft) | 1.3m (4.3ft) | 1.2m (4.0ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Direction | 260° W | 276° W | 278° W | 278° W | 277° W | 277° W | 277° W | 277° W |
| Period | 13.5 sec. | 14.0 sec. | 12.3 sec. | 9.0 sec. | 8.2 sec. | 7.8 sec. | 12.9 sec. | 14.9 sec. |
| Significant height | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 32°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! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 19.9mph). 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 | 0°C (32°F) | -0°C (31°F) | -1°C (30°F) | -1°C (30°F) | -2°C (29°F) | -3°C (26°F) | -3°C (27°F) | -2°C (28°F) |
| Perceived temperature | -4°C (25°F) | -5°C (23°F) | -7°C (20°F) | -8°C (19°F) | -9°C (17°F) | -10°C (15°F) | -8°C (17°F) | -7°C (19°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 76% | 77% | 77% | 78% | 78% | 82% | 91% |
| Barometric pressure | 1004 hPa | 1003 hPa | 1001 hPa | 1000 hPa | 998 hPa | 997 hPa | 997 hPa | 998 hPa |
| Cloud cover | 27% | 77% | 67% | 81% | 89% | 34% | 45% | 88% |
| Heat index | 0°C (32°F) | -0°C (31°F) | -1°C (30°F) | -1°C (30°F) | -2°C (29°F) | -3°C (26°F) | -3°C (27°F) | -2°C (28°F) |
| Dew point | -4°C (26°F) | -4°C (25°F) | -5°C (24°F) | -5°C (24°F) | -5°C (22°F) | -6°C (20°F) | -5°C (22°F) | -3°C (26°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 17km/h (10mph) | 22km/h (13mph) | 25km/h (16mph) | 26km/h (16mph) | 23km/h (14mph) | 18km/h (11mph) | 16km/h (10mph) |
| Gusts | 28km/h (18mph) | 24km/h (15mph) | 27km/h (17mph) | 32km/h (20mph) | 31km/h (19mph) | 28km/h (18mph) | 29km/h (18mph) | 26km/h (16mph) |
| Direction | 150° SSE | 134° SE | 125° SE | 129° SE | 133° SE | 134° SE | 140° SE | 153° SSE |
| Wind chill | -4°C (25°F) | -5°C (23°F) | -7°C (20°F) | -8°C (19°F) | -9°C (17°F) | -10°C (15°F) | -8°C (17°F) | -7°C (19°F) |
| Waves | ||||||||
| Height | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.2m (3.9ft) |
| Direction | 276° W | 275° W | 275° W | 275° W | 236° WSW | 222° SW | 223° SW | 222° SW |
| Period | 14.1 sec. | 11.3 sec. | 12.1 sec. | 13.0 sec. | 12.6 sec. | 12.2 sec. | 11.1 sec. | 11.4 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 00:00 and will set at 00:00 on the beach(es) of Alta. The outside temperature will be a high of 40°F t and a low of 31°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 28mph). Wave height will be up to 6.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | -1°C (30°F) | 3°C (37°F) | 4°C (40°F) | 4°C (40°F) | 4°C (39°F) | 3°C (37°F) | 1°C (34°F) | 0°C (33°F) |
| Perceived temperature | -6°C (21°F) | -3°C (27°F) | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | -2°C (29°F) | -4°C (26°F) | -5°C (23°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 97% | 92% | 90% | 93% | 91% | 90% | 86% | 79% |
| Barometric pressure | 998 hPa | 999 hPa | 1000 hPa | 1003 hPa | 1005 hPa | 1005 hPa | 1004 hPa | 1002 hPa |
| Cloud cover | 100% | 99% | 98% | 99% | 100% | 59% | 45% | 69% |
| Heat index | -1°C (30°F) | 3°C (37°F) | 4°C (40°F) | 4°C (40°F) | 4°C (39°F) | 3°C (37°F) | 1°C (34°F) | 0°C (33°F) |
| Dew point | -2°C (29°F) | 1°C (34°F) | 3°C (37°F) | 3°C (38°F) | 3°C (37°F) | 1°C (34°F) | -1°C (30°F) | -3°C (27°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 30km/h (18mph) | 36km/h (23mph) | 33km/h (20mph) | 28km/h (17mph) | 21km/h (13mph) | 19km/h (12mph) | 24km/h (15mph) |
| Gusts | 23km/h (14mph) | 34km/h (21mph) | 39km/h (24mph) | 45km/h (28mph) | 44km/h (28mph) | 37km/h (23mph) | 26km/h (16mph) | 27km/h (17mph) |
| Direction | 171° S | 228° SW | 254° WSW | 249° WSW | 239° WSW | 183° S | 128° SE | 122° ESE |
| Wind chill | -6°C (21°F) | -3°C (27°F) | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | -2°C (29°F) | -4°C (26°F) | -5°C (23°F) |
| Waves | ||||||||
| Height | 1.3m (4.3ft) | 1.4m (4.6ft) | 1.8m (5.9ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.0m (6.6ft) |
| Direction | 222° SW | 263° W | 284° WNW | 283° WNW | 283° WNW | 283° WNW | 282° WNW | 282° WNW |
| Period | 11.5 sec. | 15.3 sec. | 19.2 sec. | 20.7 sec. | 20.7 sec. | 20.0 sec. | 19.4 sec. | 15.3 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |