Sea weather in Dehiwala-Mount Lavinia in Sri Lanka All the beach weather in Dehiwala-Mount Lavinia
All the essential weather information for enjoying the beach in Dehiwala-Mount Lavinia in Sri Lanka, 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 Dehiwala-Mount Lavinia over the next 7 days?
Discover the best moment to go to the beach in Dehiwala-Mount Lavinia in Sri Lanka this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Dehiwala-Mount Lavinia. 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 20 July 2026 | 79°F to 83°F | 11.2mph | discouraged | all the sea weather |
| Tuesday 21 July 2026 | 81°F to 83°F | 9.9mph | recommended | all the sea weather |
| Wednesday 22 July 2026 | 81°F to 83°F | 11.2mph | recommended | all the sea weather |
| Thursday 23 July 2026 | 76°F to 83°F | 10.6mph | recommended | all the sea weather |
| Friday 24 July 2026 | 81°F to 83°F | 9.3mph | recommended | all the sea weather |
| Saturday 25 July 2026 | 81°F to 83°F | 9.9mph | recommended | all the sea weather |
| Sunday 26 July 2026 | 81°F to 83°F | 11.2mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Dehiwala-Mount Lavinia
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 06:03 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 79°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 14.9mph km/h (with gusts up to 25.5mph). 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 | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 27°C (80°F) |
| Perceived temperature | 30°C (86°F) | 30°C (85°F) | 30°C (86°F) | 31°C (87°F) | 30°C (87°F) | 31°C (88°F) | 31°C (87°F) | 30°C (87°F) |
| Precipitation | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 84% | 84% | 83% | 80% | 77% | 77% | 81% | 83% |
| Barometric pressure | 1011 hPa | 1011 hPa | 1011 hPa | 1013 hPa | 1011 hPa | 1009 hPa | 1011 hPa | 1012 hPa |
| Cloud cover | 52% | 59% | 49% | 32% | 36% | 46% | 34% | 43% |
| Heat index | 30°C (86°F) | 30°C (85°F) | 30°C (86°F) | 31°C (87°F) | 30°C (87°F) | 31°C (88°F) | 31°C (87°F) | 30°C (87°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 24°C (74°F) | 24°C (74°F) | 23°C (73°F) | 23°C (74°F) | 24°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 22km/h (14mph) | 22km/h (14mph) | 22km/h (13mph) | 24km/h (15mph) | 22km/h (13mph) | 20km/h (13mph) | 18km/h (11mph) | 18km/h (11mph) |
| Gusts | 32km/h (20mph) | 36km/h (23mph) | 31km/h (19mph) | 41km/h (25mph) | 32km/h (20mph) | 29km/h (18mph) | 26km/h (16mph) | 26km/h (16mph) |
| Direction | 236° WSW | 248° WSW | 244° WSW | 246° WSW | 252° WSW | 247° WSW | 252° WSW | 238° WSW |
| Wind chill | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 1.5m (5.0ft) | 1.6m (5.2ft) | 1.6m (5.3ft) | 1.6m (5.3ft) | 1.6m (5.3ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) |
| Direction | 225° SW | 250° WSW | 254° WSW | 251° WSW | 211° SSW | 199° SSW | 200° SSW | 199° SSW |
| Period | 10.8 sec. | 11.6 sec. | 12.0 sec. | 12.2 sec. | 11.9 sec. | 11.5 sec. | 14.7 sec. | 13.4 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 81°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 11.8mph km/h (with gusts up to 17.4mph). Wave height will be up to 5.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (87°F) | 30°C (86°F) | 30°C (87°F) | 32°C (89°F) | 31°C (87°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 83% | 82% | 82% | 79% | 77% | 76% | 81% | 83% |
| Barometric pressure | 1011 hPa | 1011 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1009 hPa | 1011 hPa | 1012 hPa |
| Cloud cover | 48% | 45% | 48% | 15% | 40% | 40% | 35% | 4% |
| Heat index | 30°C (87°F) | 30°C (86°F) | 30°C (87°F) | 32°C (89°F) | 31°C (87°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 23°C (73°F) | 23°C (73°F) | 24°C (75°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 18km/h (11mph) | 18km/h (11mph) | 17km/h (11mph) | 17km/h (11mph) | 15km/h (9mph) | 15km/h (9mph) | 16km/h (10mph) |
| Gusts | 28km/h (17mph) | 26km/h (16mph) | 26km/h (16mph) | 24km/h (15mph) | 25km/h (16mph) | 21km/h (13mph) | 23km/h (14mph) | 24km/h (15mph) |
| Direction | 251° WSW | 251° WSW | 245° WSW | 255° WSW | 269° W | 269° W | 245° WSW | 239° WSW |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.6m (5.3ft) | 1.7m (5.5ft) | 1.7m (5.6ft) | 1.7m (5.4ft) | 1.6m (5.2ft) | 1.5m (5.0ft) | 1.4m (4.7ft) | 1.4m (4.5ft) |
| Direction | 199° SSW | 200° SSW | 200° SSW | 200° SSW | 200° SSW | 201° SSW | 201° SSW | 201° SSW |
| Period | 13.4 sec. | 15.9 sec. | 10.8 sec. | 6.1 sec. | 6.1 sec. | 10.3 sec. | 12.3 sec. | 12.1 sec. |
| Significant height | 1.2m (3.9ft) | 1.3m (4.3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 81°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 16.8mph). 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 | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 31°C (88°F) | 31°C (87°F) | 30°C (87°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 83% | 83% | 83% | 78% | 77% | 76% | 82% | 84% |
| Barometric pressure | 1012 hPa | 1010 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1010 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 9% | 14% | 48% | 46% | 33% | 31% | 45% | 49% |
| Heat index | 31°C (88°F) | 31°C (87°F) | 30°C (87°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Dew point | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 18km/h (11mph) | 17km/h (10mph) | 17km/h (10mph) | 17km/h (10mph) | 17km/h (10mph) | 15km/h (10mph) | 18km/h (11mph) |
| Gusts | 22km/h (14mph) | 26km/h (16mph) | 25km/h (15mph) | 22km/h (14mph) | 25km/h (15mph) | 24km/h (15mph) | 23km/h (14mph) | 27km/h (17mph) |
| Direction | 234° SW | 240° WSW | 242° WSW | 233° SW | 247° WSW | 254° WSW | 246° WSW | 230° SW |
| Wind chill | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.3m (4.4ft) | 1.3m (4.4ft) | 1.4m (4.5ft) | 1.4m (4.5ft) | 1.3m (4.4ft) | 1.3m (4.4ft) | 1.3m (4.2ft) | 1.2m (4.1ft) |
| Direction | 202° SSW | 202° SSW | 202° SSW | 203° SSW | 203° SSW | 204° SSW | 204° SSW | 205° SSW |
| Period | 11.8 sec. | 11.6 sec. | 7.7 sec. | 6.0 sec. | 13.3 sec. | 13.1 sec. | 5.4 sec. | 10.8 sec. |
| Significant height | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 76°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 11.2mph km/h (with gusts up to 20.5mph). 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 | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 24°C (75°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 30°C (86°F) | 30°C (87°F) | 31°C (88°F) | 26°C (79°F) | 31°C (87°F) | 31°C (87°F) | 31°C (87°F) |
| Precipitation | 0.1in | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 84% | 84% | 79% | 77% | 76% | 81% | 83% |
| Barometric pressure | 1012 hPa | 1010 hPa | 1010 hPa | 1012 hPa | 1010 hPa | 1009 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 17% | 54% | 35% | 13% | 8% | 16% | 17% | 29% |
| Heat index | 30°C (86°F) | 30°C (86°F) | 30°C (87°F) | 31°C (88°F) | 26°C (79°F) | 31°C (87°F) | 31°C (87°F) | 31°C (87°F) |
| Dew point | 24°C (75°F) | 24°C (74°F) | 24°C (75°F) | 24°C (74°F) | 20°C (68°F) | 23°C (73°F) | 24°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 18km/h (11mph) | 16km/h (10mph) | 18km/h (11mph) | 16km/h (10mph) | 17km/h (11mph) | 15km/h (10mph) | 17km/h (10mph) |
| Gusts | 28km/h (17mph) | 28km/h (17mph) | 24km/h (15mph) | 29km/h (18mph) | 33km/h (21mph) | 25km/h (16mph) | 24km/h (15mph) | 25km/h (15mph) |
| Direction | 229° SW | 236° SW | 237° WSW | 241° WSW | 242° WSW | 241° WSW | 230° SW | 219° SW |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 24°C (75°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.3m (4.1ft) | 1.3m (4.3ft) | 1.4m (4.5ft) | 1.4m (4.5ft) | 1.3m (4.4ft) | 1.3m (4.2ft) | 1.2m (4.0ft) | 1.2m (3.8ft) |
| Direction | 205° SSW | 204° SSW | 215° SW | 217° SW | 216° SW | 215° SW | 215° SW | 223° SW |
| Period | 10.8 sec. | 9.0 sec. | 9.2 sec. | 6.1 sec. | 9.6 sec. | 7.3 sec. | 8.6 sec. | 5.2 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.5m (1.6ft) | 0.9m (3ft) | 1.4m (4.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Friday 24 July 2026
On Friday 24 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 81°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 16.2mph). 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 | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) |
| Perceived temperature | 31°C (88°F) | 31°C (87°F) | 31°C (87°F) | 31°C (89°F) | 30°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 84% | 83% | 82% | 77% | 76% | 75% | 79% | 84% |
| Barometric pressure | 1010 hPa | 1009 hPa | 1010 hPa | 1011 hPa | 1010 hPa | 1008 hPa | 1009 hPa | 1010 hPa |
| Cloud cover | 16% | 8% | 33% | 26% | 23% | 23% | 26% | 17% |
| Heat index | 31°C (88°F) | 31°C (87°F) | 31°C (87°F) | 31°C (89°F) | 30°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
| Dew point | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 24°C (74°F) | 24°C (76°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 18km/h (11mph) | 16km/h (10mph) | 15km/h (9mph) | 15km/h (10mph) | 17km/h (10mph) | 14km/h (9mph) | 15km/h (9mph) |
| Gusts | 22km/h (14mph) | 26km/h (16mph) | 24km/h (15mph) | 20km/h (12mph) | 24km/h (15mph) | 24km/h (15mph) | 20km/h (13mph) | 23km/h (14mph) |
| Direction | 216° SW | 243° WSW | 241° WSW | 245° WSW | 256° WSW | 244° WSW | 230° SW | 227° SW |
| Wind chill | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.1m (3.7ft) | 1.2m (3.8ft) | 1.2m (3.9ft) | 1.2m (3.8ft) | 1.1m (3.7ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Direction | 216° SW | 216° SW | 219° SW | 218° SW | 217° SW | 218° SW | 218° SW | 217° SW |
| Period | 8.7 sec. | 10.2 sec. | 7.2 sec. | 5.3 sec. | 5.3 sec. | 6.4 sec. | 6.7 sec. | 6.0 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 28°C (83°F) | 28°C (83°F) |
Sea weather on Saturday 25 July 2026
On Saturday 25 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 81°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 18mph). 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 | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 84% | 83% | 81% | 77% | 74% | 75% | 80% | 84% |
| Barometric pressure | 1010 hPa | 1009 hPa | 1010 hPa | 1011 hPa | 1010 hPa | 1009 hPa | 1010 hPa | 1011 hPa |
| Cloud cover | 13% | 12% | 20% | 27% | 36% | 31% | 33% | 38% |
| Heat index | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Dew point | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 24°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 18km/h (11mph) | 17km/h (11mph) | 19km/h (12mph) | 20km/h (12mph) | 19km/h (12mph) | 16km/h (10mph) | 16km/h (10mph) |
| Gusts | 26km/h (16mph) | 27km/h (17mph) | 25km/h (15mph) | 26km/h (16mph) | 29km/h (18mph) | 27km/h (17mph) | 23km/h (15mph) | 24km/h (15mph) |
| Direction | 234° SW | 249° WSW | 250° WSW | 247° WSW | 247° WSW | 250° WSW | 243° WSW | 233° SW |
| Wind chill | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) |
| Direction | 217° SW | 217° SW | 217° SW | 220° SW | 225° SW | 225° SW | 224° SW | 224° SW |
| Period | 7.9 sec. | 9.0 sec. | 9.8 sec. | 9.8 sec. | 10.9 sec. | 10.2 sec. | 8.1 sec. | 8.7 sec. |
| Significant height | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) |
Sea weather on Sunday 26 July 2026
On Sunday 26 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Dehiwala-Mount Lavinia. The outside temperature will be a high of 83°F t and a low of 81°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 18mph). 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 | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 31°C (87°F) | 31°C (87°F) | 31°C (87°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 83% | 82% | 81% | 77% | 75% | 77% | 81% | 83% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1011 hPa | 1011 hPa | 1009 hPa | 1010 hPa | 1011 hPa |
| Cloud cover | 38% | 28% | 21% | 29% | 35% | 31% | 24% | 29% |
| Heat index | 31°C (87°F) | 31°C (87°F) | 31°C (87°F) | 31°C (88°F) | 31°C (87°F) | 31°C (88°F) | 31°C (88°F) | 31°C (87°F) |
| Dew point | 24°C (75°F) | 24°C (75°F) | 24°C (74°F) | 23°C (74°F) | 23°C (73°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 19km/h (12mph) | 19km/h (12mph) | 20km/h (12mph) | 20km/h (12mph) | 20km/h (12mph) | 19km/h (12mph) | 18km/h (11mph) |
| Gusts | 27km/h (17mph) | 27km/h (17mph) | 27km/h (17mph) | 27km/h (17mph) | 28km/h (18mph) | 29km/h (18mph) | 27km/h (17mph) | 26km/h (16mph) |
| Direction | 233° SW | 241° WSW | 249° WSW | 252° WSW | 254° WSW | 251° WSW | 244° WSW | 239° WSW |
| Wind chill | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Direction | 223° SW | 222° SW | 221° SW | 220° SW | 218° SW | 215° SW | 208° SSW | 208° SSW |
| Period | 10.8 sec. | 11.3 sec. | 10.9 sec. | 12.1 sec. | 13.6 sec. | 13.6 sec. | 13.5 sec. | 13.2 sec. |
| Significant height | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) |





