Sea weather in Dumai on the island of Sumatra All the beach weather in Dumai
All the essential weather information for enjoying the beach in Dumai on the island of Sumatra, 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 Dumai over the next 7 days?
Discover the best moment to go to the beach in Dumai on the island of Sumatra this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Dumai. 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 | 74°F to 85°F | 1.9mph | recommended | all the sea weather |
| Saturday 6 December 2025 | 76°F to 83°F | 5.6mph | recommended | all the sea weather |
| Sunday 7 December 2025 | 76°F to 83°F | 3.1mph | recommended | all the sea weather |
| Monday 8 December 2025 | 76°F to 81°F | 5mph | recommended | all the sea weather |
| Tuesday 9 December 2025 | 76°F to 83°F | 6.2mph | recommended | all the sea weather |
| Wednesday 10 December 2025 | 76°F to 83°F | 1.9mph | recommended | all the sea weather |
| Thursday 11 December 2025 | 74°F to 81°F | 4.4mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Dumai
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 06:03 and will set at 18:05 on the beach(es) of Dumai. The outside temperature will be a high of 85°F t and a low of 74°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 5mph km/h (with gusts up to 8.7mph). 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 | 24°C (76°F) | 24°C (74°F) | 23°C (74°F) | 25°C (78°F) | 29°C (84°F) | 26°C (79°F) | 25°C (77°F) | 24°C (76°F) |
| Perceived temperature | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 28°C (82°F) | 32°C (89°F) | 29°C (85°F) | 28°C (82°F) | 27°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 93% | 94% | 88% | 66% | 84% | 88% | 91% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1012 hPa | 1013 hPa | 1011 hPa | 1008 hPa | 1009 hPa | 1012 hPa |
| Cloud cover | 64% | 85% | 70% | 84% | 88% | 74% | 86% | 72% |
| Heat index | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 28°C (82°F) | 32°C (89°F) | 29°C (85°F) | 28°C (82°F) | 27°C (80°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 23°C (74°F) | 22°C (71°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 4km/h (2mph) | 6km/h (4mph) | 8km/h (5mph) | 5km/h (3mph) | 4km/h (2mph) | 6km/h (4mph) | 2km/h (1mph) | 3km/h (2mph) |
| Gusts | 7km/h (4mph) | 11km/h (7mph) | 14km/h (9mph) | 6km/h (4mph) | 5km/h (3mph) | 9km/h (6mph) | 3km/h (2mph) | 5km/h (3mph) |
| Direction | 200° SSW | 198° SSW | 206° SSW | 190° S | 97° E | 70° ENE | 84° E | 330° NNW |
| Wind chill | 24°C (76°F) | 24°C (74°F) | 23°C (74°F) | 25°C (78°F) | 29°C (84°F) | 26°C (79°F) | 25°C (77°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.2m (0.5ft) | 0.5m (1.5ft) | 0.6m (1.8ft) | 0.1m (0.5ft) | 0.5m (1.6ft) | 0.1m (0.3ft) | 0.6m (2.0ft) | 0.2m (0.7ft) |
| Direction | 10° N | 216° SW | 208° SSW | 204° SSW | 64° ENE | 44° NE | 45° NE | 45° NE |
| Period | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. |
| Significant height | 0.1m (0.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 06:04 and will set at 18:06 on the beach(es) of Dumai. The outside temperature will be a high of 83°F t and a low of 76°F. Precipitation is in the forecast (0.3in 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 5.6mph km/h (with gusts up to 9.9mph). 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 | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 26°C (80°F) | 27°C (80°F) | 28°C (82°F) | 26°C (79°F) | 25°C (78°F) |
| Perceived temperature | 27°C (80°F) | 26°C (79°F) | 27°C (80°F) | 30°C (86°F) | 30°C (86°F) | 31°C (88°F) | 29°C (84°F) | 28°C (83°F) |
| Precipitation | 0in | 0in | 0.1in | 0.1in | 0in | 0in | 0in | 0.1in |
| Humidity | 92% | 92% | 91% | 86% | 80% | 70% | 79% | 86% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1013 hPa | 1011 hPa | 1009 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 60% | 90% | 89% | 72% | 63% | 74% | 70% | 53% |
| Heat index | 27°C (80°F) | 26°C (79°F) | 27°C (80°F) | 30°C (86°F) | 30°C (86°F) | 31°C (88°F) | 29°C (84°F) | 28°C (83°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 23°C (73°F) | 24°C (75°F) | 23°C (74°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 3km/h (2mph) | 3km/h (2mph) | 6km/h (4mph) | 7km/h (4mph) | 5km/h (3mph) | 4km/h (3mph) | 4km/h (2mph) | 9km/h (6mph) |
| Gusts | 6km/h (4mph) | 6km/h (4mph) | 12km/h (7mph) | 10km/h (6mph) | 10km/h (6mph) | 6km/h (4mph) | 6km/h (4mph) | 16km/h (10mph) |
| Direction | 322° NW | 355° N | 35° NE | 62° ENE | 113° ESE | 46° NE | 41° NE | 32° NNE |
| Wind chill | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 26°C (80°F) | 27°C (80°F) | 28°C (82°F) | 26°C (79°F) | 25°C (78°F) |
| Waves | ||||||||
| Height | 0.2m (0.5ft) | 0.2m (0.7ft) | 0.1m (0.4ft) | 0.4m (1.5ft) | 0.5m (1.6ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1.1ft) |
| Direction | 40° NE | 30° NNE | 242° WSW | 42° NE | 47° NE | 48° NE | 50° NE | 51° NE |
| Period | 2.1 sec. | 2.0 sec. | 2.4 sec. | 2.5 sec. | 2.4 sec. | 2.3 sec. | 2.3 sec. | 2.3 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 06:04 and will set at 18:06 on the beach(es) of Dumai. The outside temperature will be a high of 83°F t and a low of 76°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 8.1mph km/h (with gusts up to 13.1mph). 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 | 25°C (77°F) | 25°C (76°F) | 24°C (76°F) | 25°C (78°F) | 28°C (82°F) | 26°C (80°F) | 25°C (77°F) | 24°C (76°F) |
| Perceived temperature | 28°C (82°F) | 27°C (80°F) | 26°C (80°F) | 28°C (82°F) | 31°C (87°F) | 29°C (85°F) | 27°C (81°F) | 27°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 88% | 88% | 87% | 71% | 82% | 88% | 89% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1013 hPa | 1011 hPa | 1009 hPa | 1010 hPa | 1013 hPa |
| Cloud cover | 88% | 83% | 54% | 38% | 78% | 78% | 46% | 87% |
| Heat index | 28°C (82°F) | 27°C (80°F) | 26°C (80°F) | 28°C (82°F) | 31°C (87°F) | 29°C (85°F) | 27°C (81°F) | 27°C (80°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 11km/h (7mph) | 5km/h (3mph) | 6km/h (4mph) | 7km/h (4mph) | 7km/h (4mph) | 3km/h (2mph) | 5km/h (3mph) |
| Gusts | 21km/h (13mph) | 20km/h (12mph) | 8km/h (5mph) | 8km/h (5mph) | 9km/h (6mph) | 10km/h (6mph) | 4km/h (3mph) | 9km/h (5mph) |
| Direction | 55° NE | 45° NE | 17° NNE | 286° WNW | 315° NW | 350° N | 356° N | 44° NE |
| Wind chill | 25°C (77°F) | 25°C (76°F) | 24°C (76°F) | 25°C (78°F) | 28°C (82°F) | 26°C (80°F) | 25°C (77°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.3m (1.1ft) | 0.4m (1.2ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.1m (0.5ft) | 0.3m (0.8ft) | 0.2m (0.7ft) | 0.3m (0.9ft) |
| Direction | 43° NE | 48° NE | 41° NE | 39° NE | 31° NNE | 47° NE | 51° NE | 51° NE |
| Period | 2.3 sec. | 2.3 sec. | 2.3 sec. | 2.3 sec. | 2.1 sec. | 2.9 sec. | 2.5 sec. | 2.4 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 06:05 and will set at 18:06 on the beach(es) of Dumai. The outside temperature will be a high of 81°F t and a low of 76°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 5.6mph km/h (with gusts up to 9.9mph). 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 | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 25°C (78°F) | 24°C (76°F) |
| Perceived temperature | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 29°C (84°F) | 29°C (85°F) | 29°C (83°F) | 28°C (82°F) | 27°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 87% | 87% | 85% | 78% | 81% | 83% | 89% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1009 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 86% | 73% | 57% | 51% | 61% | 56% | 79% | 90% |
| Heat index | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 29°C (84°F) | 29°C (85°F) | 29°C (83°F) | 28°C (82°F) | 27°C (80°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 22°C (71°F) | 23°C (74°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 9km/h (5mph) | 9km/h (6mph) | 8km/h (5mph) | 8km/h (5mph) | 9km/h (6mph) | 7km/h (4mph) | 7km/h (4mph) | 8km/h (5mph) |
| Gusts | 16km/h (10mph) | 16km/h (10mph) | 14km/h (9mph) | 11km/h (7mph) | 16km/h (10mph) | 11km/h (7mph) | 12km/h (8mph) | 16km/h (10mph) |
| Direction | 51° NE | 45° NE | 66° ENE | 52° NE | 29° NNE | 26° NNE | 30° NNE | 57° ENE |
| Wind chill | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 25°C (78°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.2m (0.6ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.2m (0.7ft) | 0.5m (1.5ft) |
| Direction | 44° NE | 44° NE | 45° NE | 46° NE | 47° NE | 49° NE | 51° NE | 50° NE |
| Period | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. |
| Significant height | 0.5m (1.6ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 06:05 and will set at 18:07 on the beach(es) of Dumai. The outside temperature will be a high of 83°F t and a low of 76°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 6.2mph km/h (with gusts up to 11.2mph). 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 | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 26°C (78°F) | 27°C (81°F) | 28°C (82°F) | 25°C (78°F) | 24°C (76°F) |
| Perceived temperature | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 29°C (83°F) | 30°C (86°F) | 30°C (86°F) | 28°C (82°F) | 27°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 91% | 90% | 84% | 75% | 72% | 82% | 88% |
| Barometric pressure | 1012 hPa | 1010 hPa | 1010 hPa | 1012 hPa | 1010 hPa | 1007 hPa | 1008 hPa | 1010 hPa |
| Cloud cover | 100% | 73% | 77% | 72% | 62% | 89% | 82% | 40% |
| Heat index | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 29°C (83°F) | 30°C (86°F) | 30°C (86°F) | 28°C (82°F) | 27°C (80°F) |
| Dew point | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 4km/h (2mph) | 4km/h (2mph) | 2km/h (1mph) | 7km/h (4mph) | 5km/h (3mph) | 6km/h (4mph) | 10km/h (6mph) |
| Gusts | 12km/h (8mph) | 7km/h (4mph) | 7km/h (4mph) | 2km/h (1mph) | 10km/h (6mph) | 8km/h (5mph) | 11km/h (7mph) | 18km/h (11mph) |
| Direction | 73° ENE | 107° ESE | 95° E | 53° NE | 66° ENE | 45° NE | 43° NE | 48° NE |
| Wind chill | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 26°C (78°F) | 27°C (81°F) | 28°C (82°F) | 25°C (78°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.1m (0.4ft) | 0.3m (0.8ft) | 0.4m (1.3ft) |
| Direction | 46° NE | 45° NE | 45° NE | 47° NE | 51° NE | 51° NE | 53° NE | 50° NE |
| Period | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 06:06 and will set at 18:07 on the beach(es) of Dumai. 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 6.2mph km/h (with gusts up to 11.2mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 26°C (78°F) | 24°C (76°F) |
| Perceived temperature | 27°C (80°F) | 26°C (80°F) | 26°C (79°F) | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 28°C (83°F) | 27°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 91% | 90% | 77% | 75% | 76% | 82% | 89% |
| Barometric pressure | 1010 hPa | 1009 hPa | 1010 hPa | 1011 hPa | 1009 hPa | 1007 hPa | 1008 hPa | 1009 hPa |
| Cloud cover | 47% | 61% | 48% | 49% | 55% | 69% | 68% | 70% |
| Heat index | 27°C (80°F) | 26°C (80°F) | 26°C (79°F) | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 28°C (83°F) | 27°C (80°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 6km/h (4mph) | 5km/h (3mph) | 8km/h (5mph) | 8km/h (5mph) | 6km/h (4mph) | 5km/h (3mph) | 3km/h (2mph) |
| Gusts | 18km/h (11mph) | 12km/h (7mph) | 9km/h (6mph) | 10km/h (6mph) | 11km/h (7mph) | 9km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) |
| Direction | 49° NE | 48° NE | 68° ENE | 62° ENE | 43° NE | 41° NE | 34° NNE | 202° SSW |
| Wind chill | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 26°C (78°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1.0ft) | 0.3m (1.0ft) |
| Direction | 47° NE | 45° NE | 46° NE | 45° NE | 45° NE | 46° NE | 47° NE | 47° NE |
| Period | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.3 sec. | 2.2 sec. |
| Significant height | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 06:06 and will set at 18:08 on the beach(es) of Dumai. The outside temperature will be a high of 81°F t and a low of 74°F. Precipitation is in the forecast (0.3in 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 4.4mph km/h (with gusts up to 8.1mph). 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 | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 25°C (77°F) | 24°C (75°F) |
| Perceived temperature | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 27°C (80°F) | 29°C (84°F) | 30°C (86°F) | 28°C (82°F) | 27°C (80°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in |
| Humidity | 92% | 96% | 96% | 92% | 85% | 86% | 91% | 93% |
| Barometric pressure | 1009 hPa | 1008 hPa | 1009 hPa | 1010 hPa | 1009 hPa | 1007 hPa | 1007 hPa | 1009 hPa |
| Cloud cover | 91% | 93% | 83% | 66% | 63% | 53% | 64% | 83% |
| Heat index | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 27°C (80°F) | 29°C (84°F) | 30°C (86°F) | 28°C (82°F) | 27°C (80°F) |
| Dew point | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 5km/h (3mph) | 4km/h (2mph) | 4km/h (2mph) | 5km/h (3mph) | 6km/h (4mph) | 7km/h (4mph) | 7km/h (4mph) |
| Gusts | 9km/h (6mph) | 9km/h (6mph) | 5km/h (3mph) | 5km/h (3mph) | 7km/h (4mph) | 10km/h (6mph) | 13km/h (8mph) | 13km/h (8mph) |
| Direction | 262° W | 247° WSW | 275° W | 283° WNW | 307° NW | 295° WNW | 298° WNW | 305° NW |
| Wind chill | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 25°C (77°F) | 24°C (75°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Direction | 47° NE | 44° NE | 43° NE | 46° NE | 48° NE | 49° NE | 41° NE | 237° WSW |
| Period | 2.2 sec. | 2.2 sec. | 2.0 sec. | 2.0 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. | 2.1 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |