Sea weather in Helensburgh in Scotland All the beach weather in Helensburgh
All the essential weather information for enjoying the beach in Helensburgh in Scotland, 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 Helensburgh over the next 7 days?
Discover the best moment to go to the beach in Helensburgh in Scotland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Helensburgh. 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 47°F | 29.8mph | not recommended | all the sea weather |
| Saturday 6 December 2025 | 43°F to 47°F | 5mph | discouraged | all the sea weather |
| Sunday 7 December 2025 | 45°F to 49°F | 9.3mph | recommended | all the sea weather |
| Monday 8 December 2025 | 45°F to 49°F | 5.6mph | discouraged | all the sea weather |
| Tuesday 9 December 2025 | 47°F to 47°F | 15.5mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 45°F to 49°F | 22.4mph | discouraged | all the sea weather |
| Thursday 11 December 2025 | 47°F to 52°F | 16.2mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Helensburgh
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 08:32 and will set at 15:47 on the beach(es) of Helensburgh. The outside temperature will be a high of 47°F t and a low of 41°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 31.7mph km/h (with gusts up to 40.4mph). 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 | 7°C (45°F) | 7°C (44°F) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 5°C (42°F) | 6°C (43°F) |
| Perceived temperature | 5°C (40°F) | 3°C (38°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | -1°C (30°F) | 0°C (32°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in | 0in |
| Humidity | 79% | 78% | 82% | 81% | 85% | 79% | 90% | 89% |
| Barometric pressure | 998 hPa | 999 hPa | 998 hPa | 997 hPa | 994 hPa | 989 hPa | 984 hPa | 982 hPa |
| Cloud cover | 89% | 28% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 7°C (45°F) | 7°C (44°F) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 7°C (45°F) | 5°C (42°F) | 6°C (43°F) |
| Dew point | 4°C (39°F) | 3°C (37°F) | 2°C (36°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 16km/h (10mph) | 15km/h (9mph) | 17km/h (10mph) | 24km/h (15mph) | 46km/h (28mph) | 51km/h (32mph) | 48km/h (30mph) |
| Gusts | 19km/h (12mph) | 23km/h (15mph) | 23km/h (14mph) | 24km/h (15mph) | 35km/h (22mph) | 51km/h (32mph) | 55km/h (34mph) | 65km/h (41mph) |
| Direction | 164° SSE | 146° SE | 107° ESE | 113° ESE | 110° ESE | 121° ESE | 115° ESE | 121° ESE |
| Wind chill | 5°C (40°F) | 3°C (38°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | -1°C (30°F) | 0°C (32°F) |
| Waves | ||||||||
| Height | 0.2m (0.5ft) | 0.1m (0.4ft) | 0.2m (0.5ft) | 0.2m (0.5ft) | 0.2m (0.7ft) | 0.7m (2.3ft) | 1.1m (3.7ft) | 1.2m (3.8ft) |
| Direction | 185° S | 186° S | 200° SSW | 193° SSW | 171° S | 156° SSE | 160° SSE | 160° SSE |
| Period | 6.7 sec. | 6.6 sec. | 6.7 sec. | 6.7 sec. | 6.7 sec. | 6.7 sec. | 6.7 sec. | 8.0 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.5m (1.6ft) | 1.1m (3.6ft) | 1.5m (4.9ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 08:34 and will set at 15:46 on the beach(es) of Helensburgh. The outside temperature will be a high of 47°F t and a low of 43°F. Precipitation is in the forecast (0.1in 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 24.2mph km/h (with gusts up to 32.3mph). 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) | 7°C (44°F) | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) |
| Perceived temperature | 1°C (34°F) | 3°C (38°F) | 3°C (37°F) | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 5°C (40°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 91% | 91% | 91% | 92% | 92% | 92% | 90% |
| Barometric pressure | 981 hPa | 981 hPa | 982 hPa | 984 hPa | 986 hPa | 988 hPa | 990 hPa | 993 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 6°C (43°F) | 7°C (44°F) | 6°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) |
| Dew point | 5°C (40°F) | 5°C (42°F) | 5°C (41°F) | 5°C (42°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 39km/h (24mph) | 23km/h (15mph) | 19km/h (12mph) | 19km/h (12mph) | 16km/h (10mph) | 14km/h (9mph) | 13km/h (8mph) | 8km/h (5mph) |
| Gusts | 52km/h (32mph) | 32km/h (20mph) | 27km/h (17mph) | 27km/h (17mph) | 24km/h (15mph) | 21km/h (13mph) | 20km/h (12mph) | 12km/h (8mph) |
| Direction | 103° ESE | 98° E | 84° E | 86° E | 82° E | 81° E | 77° ENE | 83° E |
| Wind chill | 1°C (34°F) | 3°C (38°F) | 3°C (37°F) | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 5°C (40°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.8m (2.7ft) | 0.5m (1.7ft) | 0.4m (1.4ft) | 0.4m (1.3ft) | 0.3m (1.1ft) | 0.3m (1.1ft) | 0.4m (1.4ft) | 0.5m (1.6ft) |
| Direction | 169° S | 185° S | 186° S | 185° S | 185° S | 185° S | 194° SSW | 193° SSW |
| Period | 5.0 sec. | 4.7 sec. | 4.5 sec. | 4.5 sec. | 7.4 sec. | 7.4 sec. | 4.0 sec. | 4.7 sec. |
| Significant height | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 08:35 and will set at 15:46 on the beach(es) of Helensburgh. 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 9.3mph km/h (with gusts up to 14.9mph). 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 | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 9°C (47°F) |
| Perceived temperature | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 7°C (45°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in |
| Humidity | 91% | 92% | 90% | 93% | 90% | 93% | 93% | 87% |
| Barometric pressure | 995 hPa | 996 hPa | 997 hPa | 997 hPa | 995 hPa | 994 hPa | 996 hPa | 998 hPa |
| Cloud cover | 92% | 94% | 54% | 100% | 77% | 100% | 100% | 77% |
| Heat index | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 9°C (47°F) |
| Dew point | 7°C (45°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) | 6°C (44°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 7km/h (4mph) | 5km/h (3mph) | 13km/h (8mph) | 15km/h (10mph) | 14km/h (9mph) | 4km/h (2mph) | 15km/h (10mph) |
| Gusts | 8km/h (5mph) | 11km/h (7mph) | 9km/h (5mph) | 20km/h (13mph) | 24km/h (15mph) | 22km/h (14mph) | 6km/h (4mph) | 24km/h (15mph) |
| Direction | 164° SSE | 195° SSW | 235° SW | 137° SE | 119° ESE | 84° E | 178° S | 263° W |
| Wind chill | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 7°C (45°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.3m (0.9ft) | 0.2m (0.8ft) | 0.2m (0.6ft) | 0.3m (0.9ft) |
| Direction | 195° SSW | 192° SSW | 186° S | 187° S | 186° S | 186° S | 185° S | 184° S |
| Period | 5.2 sec. | 5.5 sec. | 7.1 sec. | 7.1 sec. | 6.8 sec. | 6.4 sec. | 5.8 sec. | 5.5 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.7m (2.3ft) |
| 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 Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 08:36 and will set at 15:45 on the beach(es) of Helensburgh. 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 13.7mph km/h (with gusts up to 21.1mph). 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 | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 9°C (47°F) | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 8°C (47°F) |
| Perceived temperature | 6°C (42°F) | 6°C (42°F) | 3°C (38°F) | 5°C (42°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 84% | 86% | 90% | 87% | 86% | 85% | 89% |
| Barometric pressure | 1000 hPa | 1001 hPa | 1001 hPa | 1000 hPa | 1001 hPa | 1001 hPa | 1002 hPa | 1002 hPa |
| Cloud cover | 10% | 3% | 45% | 63% | 85% | 80% | 23% | 27% |
| Heat index | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 9°C (47°F) | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 8°C (47°F) |
| Dew point | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 5°C (41°F) | 6°C (44°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 9km/h (5mph) | 22km/h (14mph) | 22km/h (13mph) | 12km/h (7mph) | 13km/h (8mph) | 8km/h (5mph) | 9km/h (6mph) |
| Gusts | 25km/h (15mph) | 14km/h (9mph) | 34km/h (21mph) | 33km/h (21mph) | 19km/h (12mph) | 22km/h (14mph) | 14km/h (9mph) | 15km/h (9mph) |
| Direction | 253° WSW | 157° SSE | 143° SE | 167° SSE | 213° SSW | 201° SSW | 182° S | 149° SSE |
| Wind chill | 6°C (42°F) | 6°C (42°F) | 3°C (38°F) | 5°C (42°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) |
| Waves | ||||||||
| Height | 0.6m (2.1ft) | 0.8m (2.5ft) | 0.6m (1.9ft) | 0.4m (1.2ft) | 0.3m (1.0ft) | 0.4m (1.2ft) | 0.4m (1.3ft) | 0.5m (1.7ft) |
| Direction | 243° WSW | 236° SW | 225° SW | 200° SSW | 195° SSW | 214° SW | 199° SSW | 196° SSW |
| Period | 5.5 sec. | 6.7 sec. | 6.4 sec. | 4.2 sec. | 4.2 sec. | 6.5 sec. | 6.4 sec. | 6.4 sec. |
| Significant height | 0.9m (3ft) | 1.1m (3.6ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 08:38 and will set at 15:45 on the beach(es) of Helensburgh. The outside temperature will be a high of 47°F t and a low of 47°F. Precipitation is in the forecast (0.1in 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 16.8mph km/h (with gusts up to 25.5mph). 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 | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) |
| Perceived temperature | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in |
| Humidity | 91% | 92% | 91% | 89% | 91% | 90% | 87% | 88% |
| Barometric pressure | 1002 hPa | 1002 hPa | 1001 hPa | 1001 hPa | 999 hPa | 996 hPa | 993 hPa | 990 hPa |
| Cloud cover | 69% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) |
| Dew point | 6°C (43°F) | 6°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 17km/h (11mph) | 16km/h (10mph) | 14km/h (9mph) | 15km/h (10mph) | 19km/h (12mph) | 27km/h (17mph) | 25km/h (15mph) |
| Gusts | 22km/h (14mph) | 25km/h (16mph) | 25km/h (15mph) | 22km/h (13mph) | 24km/h (15mph) | 30km/h (18mph) | 41km/h (25mph) | 37km/h (23mph) |
| Direction | 109° ESE | 118° ESE | 114° ESE | 98° E | 65° ENE | 66° ENE | 39° NE | 36° NE |
| Wind chill | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.4m (1.4ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.5m (1.7ft) | 0.7m (2.2ft) | 0.8m (2.6ft) |
| Direction | 194° SSW | 190° S | 189° S | 184° S | 184° S | 133° SE | 149° SSE | 186° S |
| Period | 6.4 sec. | 4.5 sec. | 4.5 sec. | 6.4 sec. | 6.4 sec. | 6.1 sec. | 6.6 sec. | 7.7 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.6m (2ft) | 1.1m (3.6ft) | 0.7m (2.3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 08:39 and will set at 15:45 on the beach(es) of Helensburgh. 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 23.6mph km/h (with gusts up to 33.6mph). Wave height will be up to 7.9ft 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) | 7°C (45°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Perceived temperature | 5°C (42°F) | 4°C (40°F) | 5°C (41°F) | 5°C (41°F) | 6°C (42°F) | 5°C (42°F) | 4°C (39°F) | 5°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 89% | 89% | 84% | 80% | 84% | 82% | 81% |
| Barometric pressure | 989 hPa | 990 hPa | 991 hPa | 993 hPa | 995 hPa | 996 hPa | 999 hPa | 1003 hPa |
| Cloud cover | 100% | 100% | 100% | 67% | 60% | 100% | 78% | 80% |
| Heat index | 8°C (46°F) | 7°C (45°F) | 9°C (47°F) | 9°C (47°F) | 9°C (47°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Dew point | 6°C (43°F) | 6°C (42°F) | 7°C (45°F) | 6°C (43°F) | 5°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 17km/h (11mph) | 28km/h (17mph) | 26km/h (16mph) | 19km/h (12mph) | 17km/h (10mph) | 38km/h (24mph) | 36km/h (23mph) |
| Gusts | 17km/h (10mph) | 24km/h (15mph) | 40km/h (25mph) | 37km/h (23mph) | 28km/h (18mph) | 26km/h (16mph) | 44km/h (27mph) | 54km/h (34mph) |
| Direction | 343° NNW | 273° W | 263° W | 250° WSW | 254° WSW | 246° WSW | 273° W | 253° WSW |
| Wind chill | 5°C (42°F) | 4°C (40°F) | 5°C (41°F) | 5°C (41°F) | 6°C (42°F) | 5°C (42°F) | 4°C (39°F) | 5°C (40°F) |
| Waves | ||||||||
| Height | 1.3m (4.4ft) | 2.4m (7.8ft) | 1.9m (6.2ft) | 1.3m (4.4ft) | 1.2m (3.8ft) | 1.0m (3.3ft) | 0.8m (2.5ft) | 0.8m (2.5ft) |
| Direction | 187° S | 187° S | 189° S | 190° S | 192° SSW | 191° S | 189° S | 193° SSW |
| Period | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. |
| Significant height | 1.7m (5.6ft) | 2.0m (6.6ft) | 1.5m (4.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.9m (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 Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 08:40 and will set at 15:44 on the beach(es) of Helensburgh. The outside temperature will be a high of 52°F t and a low of 47°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 30.5mph). 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 | 8°C (46°F) | 8°C (46°F) | 9°C (47°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (50°F) | 11°C (51°F) |
| Perceived temperature | 5°C (41°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 8°C (46°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0.1in | 0.1in | 0in | 0in |
| Humidity | 85% | 86% | 87% | 92% | 91% | 89% | 92% | 91% |
| Barometric pressure | 1006 hPa | 1006 hPa | 1006 hPa | 1006 hPa | 1005 hPa | 1004 hPa | 1003 hPa | 1005 hPa |
| Cloud cover | 21% | 51% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 8°C (46°F) | 8°C (46°F) | 9°C (47°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (50°F) | 11°C (51°F) |
| Dew point | 6°C (42°F) | 6°C (42°F) | 7°C (44°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 9°C (47°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 17km/h (10mph) | 17km/h (11mph) | 20km/h (13mph) | 30km/h (19mph) | 37km/h (23mph) | 44km/h (27mph) | 45km/h (28mph) | 26km/h (16mph) |
| Gusts | 25km/h (16mph) | 25km/h (16mph) | 29km/h (18mph) | 45km/h (28mph) | 43km/h (27mph) | 44km/h (27mph) | 49km/h (31mph) | 42km/h (26mph) |
| Direction | 219° SW | 188° S | 164° SSE | 169° S | 169° S | 176° S | 178° S | 195° SSW |
| Wind chill | 5°C (41°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 8°C (46°F) |
| Waves | ||||||||
| Height | 0.8m (2.5ft) | 0.8m (2.5ft) | 0.7m (2.3ft) | 0.7m (2.4ft) | 1.0m (3.4ft) | 0.9m (2.9ft) | 0.6m (2.0ft) | 0.5m (1.5ft) |
| Direction | 195° SSW | 191° SSW | 189° S | 186° S | 188° S | 186° S | 187° S | 186° S |
| Period | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 7.7 sec. | 8.1 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) |
| 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) |