Sea weather in Port Arthur in Tasmania All the beach weather in Port Arthur
All the essential weather information for enjoying the beach in Port Arthur in Tasmania, 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 Port Arthur over the next 7 days?
Discover the best moment to go to the beach in Port Arthur in Tasmania this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Port Arthur. 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 15 December 2025 | 47°F to 56°F | 18mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 54°F to 63°F | 6.2mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 54°F to 67°F | 3.7mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 52°F to 61°F | 8.7mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 50°F to 56°F | 17.4mph | discouraged | all the sea weather |
| Saturday 20 December 2025 | 56°F to 63°F | 8.1mph | discouraged | all the sea weather |
| Sunday 21 December 2025 | 56°F to 58°F | 17.4mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Port Arthur
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 05:24 and will set at 20:44 on the beach(es) of Port Arthur. The outside temperature will be a high of 56°F t and a low of 47°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 27.3mph km/h (with gusts up to 34.2mph). 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 | 9°C (47°F) | 8°C (47°F) | 9°C (47°F) | 9°C (49°F) | 12°C (54°F) | 13°C (55°F) | 12°C (53°F) | 11°C (52°F) |
| Perceived temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 5°C (41°F) | 9°C (48°F) | 10°C (50°F) | 8°C (47°F) | 8°C (46°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 69% | 69% | 69% | 53% | 50% | 57% | 64% |
| Barometric pressure | 1002 hPa | 1003 hPa | 1006 hPa | 1009 hPa | 1010 hPa | 1011 hPa | 1013 hPa | 1015 hPa |
| Cloud cover | 100% | 82% | 78% | 79% | 94% | 47% | 56% | 99% |
| Heat index | 9°C (47°F) | 8°C (47°F) | 9°C (47°F) | 9°C (49°F) | 12°C (54°F) | 13°C (55°F) | 12°C (53°F) | 11°C (52°F) |
| Dew point | 4°C (39°F) | 3°C (37°F) | 3°C (38°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 40km/h (25mph) | 44km/h (27mph) | 43km/h (27mph) | 42km/h (26mph) | 41km/h (26mph) | 40km/h (25mph) | 36km/h (23mph) | 29km/h (18mph) |
| Gusts | 51km/h (31mph) | 55km/h (34mph) | 52km/h (32mph) | 52km/h (32mph) | 50km/h (31mph) | 53km/h (33mph) | 52km/h (32mph) | 39km/h (25mph) |
| Direction | 261° W | 248° WSW | 251° WSW | 246° WSW | 242° WSW | 238° WSW | 249° WSW | 252° WSW |
| Wind chill | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 5°C (41°F) | 9°C (48°F) | 10°C (50°F) | 8°C (47°F) | 8°C (46°F) |
| Waves | ||||||||
| Height | 1.1m (3.5ft) | 1.2m (3.8ft) | 1.1m (3.7ft) | 1.1m (3.7ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 0.8m (2.7ft) |
| Direction | 249° WSW | 247° WSW | 245° WSW | 243° WSW | 238° WSW | 236° WSW | 237° WSW | 247° WSW |
| Period | 15.7 sec. | 15.0 sec. | 14.3 sec. | 14.5 sec. | 14.2 sec. | 13.3 sec. | 13.6 sec. | 13.3 sec. |
| Significant height | 1.4m (4.6ft) | 1.6m (5.2ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.2m (3.9ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 05:24 and will set at 20:45 on the beach(es) of Port Arthur. The outside temperature will be a high of 63°F t and a low of 54°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 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 12°C (53°F) | 13°C (55°F) | 13°C (56°F) | 15°C (59°F) | 16°C (62°F) | 16°C (61°F) | 14°C (58°F) | 14°C (58°F) |
| Perceived temperature | 9°C (49°F) | 11°C (51°F) | 12°C (53°F) | 14°C (57°F) | 16°C (62°F) | 16°C (61°F) | 13°C (55°F) | 14°C (57°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 72% | 71% | 66% | 59% | 60% | 71% | 81% |
| Barometric pressure | 1014 hPa | 1014 hPa | 1016 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1018 hPa | 1020 hPa |
| Cloud cover | 97% | 90% | 83% | 27% | 9% | 4% | 4% | 33% |
| Heat index | 12°C (53°F) | 13°C (55°F) | 13°C (56°F) | 15°C (59°F) | 16°C (62°F) | 16°C (61°F) | 14°C (58°F) | 14°C (58°F) |
| Dew point | 6°C (43°F) | 8°C (46°F) | 8°C (47°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 22km/h (14mph) | 22km/h (14mph) | 19km/h (12mph) | 18km/h (11mph) | 22km/h (13mph) | 12km/h (7mph) | 19km/h (12mph) | 10km/h (6mph) |
| Gusts | 30km/h (19mph) | 30km/h (19mph) | 27km/h (17mph) | 24km/h (15mph) | 34km/h (21mph) | 24km/h (15mph) | 23km/h (14mph) | 16km/h (10mph) |
| Direction | 273° W | 282° WNW | 278° W | 259° W | 223° SW | 190° S | 91° E | 74° ENE |
| Wind chill | 9°C (49°F) | 11°C (51°F) | 12°C (53°F) | 14°C (57°F) | 16°C (62°F) | 16°C (61°F) | 13°C (55°F) | 14°C (57°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.5m (1.7ft) | 0.4m (1.5ft) | 0.4m (1.3ft) | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.3m (0.9ft) | 0.2m (0.8ft) |
| Direction | 179° S | 179° S | 179° S | 180° S | 180° S | 180° S | 180° S | 180° S |
| Period | 12.8 sec. | 12.6 sec. | 12.3 sec. | 11.8 sec. | 11.6 sec. | 11.2 sec. | 11.0 sec. | 10.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 05:24 and will set at 20:46 on the beach(es) of Port Arthur. The outside temperature will be a high of 67°F t and a low of 54°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 19.3mph). 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 | 13°C (56°F) | 12°C (54°F) | 13°C (55°F) | 17°C (63°F) | 19°C (66°F) | 16°C (60°F) | 15°C (58°F) | 16°C (61°F) |
| Perceived temperature | 13°C (55°F) | 11°C (52°F) | 11°C (53°F) | 17°C (63°F) | 19°C (66°F) | 16°C (60°F) | 15°C (59°F) | 16°C (61°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 75% | 70% | 56% | 47% | 61% | 68% | 70% |
| Barometric pressure | 1019 hPa | 1017 hPa | 1018 hPa | 1018 hPa | 1015 hPa | 1015 hPa | 1015 hPa | 1015 hPa |
| Cloud cover | 4% | 0% | 0% | 0% | 0% | 0% | 3% | 2% |
| Heat index | 13°C (56°F) | 12°C (54°F) | 13°C (55°F) | 17°C (63°F) | 19°C (66°F) | 16°C (60°F) | 15°C (58°F) | 16°C (61°F) |
| Dew point | 10°C (50°F) | 8°C (46°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) | 9°C (48°F) | 10°C (51°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 12km/h (7mph) | 12km/h (8mph) | 6km/h (4mph) | 5km/h (3mph) | 15km/h (9mph) | 6km/h (4mph) | 6km/h (4mph) |
| Gusts | 16km/h (10mph) | 21km/h (13mph) | 20km/h (12mph) | 10km/h (6mph) | 10km/h (6mph) | 31km/h (19mph) | 13km/h (8mph) | 12km/h (8mph) |
| Direction | 354° N | 335° NNW | 340° NNW | 356° N | 92° E | 147° SSE | 71° ENE | 15° NNE |
| Wind chill | 13°C (55°F) | 11°C (52°F) | 11°C (53°F) | 17°C (63°F) | 19°C (66°F) | 16°C (60°F) | 15°C (59°F) | 16°C (61°F) |
| Waves | ||||||||
| Height | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.3m (1.1ft) | 0.6m (1.9ft) |
| Direction | 180° S | 180° S | 180° S | 179° S | 179° S | 179° S | 180° S | 180° S |
| Period | 10.6 sec. | 10.4 sec. | 10.3 sec. | 10.2 sec. | 10.0 sec. | 9.8 sec. | 9.7 sec. | 9.6 sec. |
| Significant height | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 05:25 and will set at 20:46 on the beach(es) of Port Arthur. The outside temperature will be a high of 61°F t and a low of 52°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 14.9mph km/h (with gusts up to 19.9mph). 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 | 16°C (60°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 14°C (58°F) | 13°C (56°F) | 11°C (53°F) | 11°C (52°F) |
| Perceived temperature | 16°C (60°F) | 16°C (60°F) | 15°C (59°F) | 15°C (59°F) | 13°C (55°F) | 11°C (52°F) | 10°C (49°F) | 10°C (49°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 66% | 70% | 60% | 70% | 82% | 83% | 89% | 87% |
| Barometric pressure | 1014 hPa | 1013 hPa | 1013 hPa | 1014 hPa | 1014 hPa | 1015 hPa | 1015 hPa | 1017 hPa |
| Cloud cover | 24% | 50% | 47% | 48% | 67% | 100% | 100% | 100% |
| Heat index | 16°C (60°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 14°C (58°F) | 13°C (56°F) | 11°C (53°F) | 11°C (52°F) |
| Dew point | 9°C (48°F) | 10°C (49°F) | 7°C (45°F) | 10°C (50°F) | 11°C (52°F) | 10°C (51°F) | 10°C (49°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 4km/h (2mph) | 6km/h (4mph) | 12km/h (8mph) | 24km/h (15mph) | 21km/h (13mph) | 15km/h (9mph) | 14km/h (9mph) |
| Gusts | 10km/h (6mph) | 6km/h (4mph) | 11km/h (7mph) | 17km/h (11mph) | 32km/h (20mph) | 28km/h (18mph) | 22km/h (14mph) | 19km/h (12mph) |
| Direction | 242° WSW | 251° WSW | 335° NNW | 164° SSE | 183° S | 176° S | 179° S | 176° S |
| Wind chill | 16°C (60°F) | 16°C (60°F) | 15°C (59°F) | 15°C (59°F) | 13°C (55°F) | 11°C (52°F) | 10°C (49°F) | 10°C (49°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.1m (0.3ft) | 0.2m (0.5ft) | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (1.9ft) | 0.5m (1.7ft) |
| Direction | 179° S | 180° S | 180° S | 190° S | 186° S | 184° S | 183° S | 176° S |
| Period | 9.6 sec. | 11.5 sec. | 10.9 sec. | 10.9 sec. | 10.9 sec. | 16.5 sec. | 16.5 sec. | 15.3 sec. |
| Significant height | 0.3m (1ft) | 0.1m (0.3ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 05:25 and will set at 20:47 on the beach(es) of Port Arthur. The outside temperature will be a high of 56°F t and a low of 50°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 19.3mph km/h (with gusts up to 24.9mph). 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 | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (54°F) | 13°C (55°F) |
| Perceived temperature | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 12°C (53°F) | 11°C (52°F) | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 71% | 66% | 59% | 63% | 63% | 68% | 75% |
| Barometric pressure | 1017 hPa | 1017 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1015 hPa | 1014 hPa | 1013 hPa |
| Cloud cover | 100% | 88% | 59% | 38% | 31% | 3% | 8% | 26% |
| Heat index | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (54°F) | 13°C (55°F) |
| Dew point | 7°C (45°F) | 6°C (42°F) | 4°C (40°F) | 4°C (39°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 8°C (47°F) |
| Wind | ||||||||
| Speed | 15km/h (10mph) | 13km/h (8mph) | 9km/h (6mph) | 5km/h (3mph) | 9km/h (5mph) | 24km/h (15mph) | 31km/h (19mph) | 28km/h (18mph) |
| Gusts | 21km/h (13mph) | 18km/h (11mph) | 13km/h (8mph) | 6km/h (4mph) | 11km/h (7mph) | 39km/h (25mph) | 36km/h (23mph) | 40km/h (25mph) |
| Direction | 176° S | 175° S | 165° SSE | 162° SSE | 120° ESE | 68° ENE | 59° ENE | 44° NE |
| Wind chill | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 12°C (53°F) | 11°C (52°F) | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 0.4m (1.2ft) | 0.3m (1.0ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.6m (1.8ft) | 0.5m (1.8ft) | 0.5m (1.7ft) | 0.5m (1.7ft) |
| Direction | 178° S | 178° S | 180° S | 181° S | 184° S | 184° S | 185° S | 185° S |
| Period | 14.9 sec. | 14.2 sec. | 13.6 sec. | 13.0 sec. | 12.5 sec. | 12.2 sec. | 11.9 sec. | 11.7 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 05:25 and will set at 20:47 on the beach(es) of Port Arthur. The outside temperature will be a high of 63°F t and a low of 56°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 28.6mph). 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 | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 16°C (61°F) | 16°C (62°F) | 16°C (61°F) | 15°C (58°F) | 13°C (56°F) |
| Perceived temperature | 10°C (50°F) | 10°C (50°F) | 11°C (52°F) | 15°C (60°F) | 16°C (62°F) | 16°C (61°F) | 13°C (56°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 81% | 79% | 74% | 74% | 75% | 80% | 86% |
| Barometric pressure | 1009 hPa | 1006 hPa | 1004 hPa | 1002 hPa | 1000 hPa | 999 hPa | 999 hPa | 1000 hPa |
| Cloud cover | 45% | 24% | 10% | 13% | 10% | 6% | 15% | 44% |
| Heat index | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 16°C (61°F) | 16°C (62°F) | 16°C (61°F) | 15°C (58°F) | 13°C (56°F) |
| Dew point | 9°C (49°F) | 10°C (49°F) | 10°C (50°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 31km/h (19mph) | 25km/h (16mph) | 20km/h (12mph) | 17km/h (11mph) | 19km/h (12mph) | 22km/h (14mph) | 13km/h (8mph) |
| Gusts | 46km/h (29mph) | 44km/h (27mph) | 34km/h (21mph) | 29km/h (18mph) | 27km/h (17mph) | 23km/h (14mph) | 32km/h (20mph) | 21km/h (13mph) |
| Direction | 33° NNE | 31° NNE | 32° NNE | 68° ENE | 137° SE | 179° S | 181° S | 149° SSE |
| Wind chill | 10°C (50°F) | 10°C (50°F) | 11°C (52°F) | 15°C (60°F) | 16°C (62°F) | 16°C (61°F) | 13°C (56°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2.0ft) | 0.9m (3.0ft) | 1.0m (3.3ft) | 0.9m (3.0ft) | 0.8m (2.6ft) |
| Direction | 186° S | 186° S | 185° S | 185° S | 117° ESE | 80° E | 71° ENE | 63° ENE |
| Period | 11.1 sec. | 10.6 sec. | 10.4 sec. | 10.1 sec. | 9.7 sec. | 9.5 sec. | 9.3 sec. | 9.3 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.9m (3ft) | 1.5m (4.9ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 05:26 and will set at 20:48 on the beach(es) of Port Arthur. The outside temperature will be a high of 58°F t and a low of 56°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 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | |  |
| Outside temperature | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 13°C (56°F) | 14°C (56°F) | 14°C (56°F) | 13°C (56°F) | 14°C (56°F) |
| Perceived temperature | 12°C (54°F) | 12°C (53°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) | 12°C (53°F) | 11°C (53°F) | 11°C (53°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 89% | 85% | 85% | 75% | 68% | 72% | 76% |
| Barometric pressure | 999 hPa | 997 hPa | 997 hPa | 995 hPa | 994 hPa | 993 hPa | 995 hPa | 997 hPa |
| Cloud cover | 57% | 77% | 96% | 94% | 91% | 97% | 100% | 100% |
| Heat index | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 13°C (56°F) | 14°C (56°F) | 14°C (56°F) | 13°C (56°F) | 14°C (56°F) |
| Dew point | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) | 9°C (49°F) | 8°C (46°F) | 8°C (47°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 13km/h (8mph) | 10km/h (6mph) | 9km/h (6mph) | 19km/h (12mph) | 24km/h (15mph) | 23km/h (14mph) | 28km/h (18mph) |
| Gusts | 12km/h (8mph) | 19km/h (12mph) | 14km/h (9mph) | 13km/h (8mph) | 28km/h (18mph) | 34km/h (21mph) | 33km/h (20mph) | 41km/h (26mph) |
| Direction | 81° E | 54° NE | 28° NNE | 186° S | 263° W | 260° W | 249° WSW | 245° WSW |
| Wind chill | 12°C (54°F) | 12°C (53°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) | 12°C (53°F) | 11°C (53°F) | 11°C (53°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.5m (1.6ft) |
| Direction | 140° SE | 180° S | 179° S | 178° S | 115° ESE | 85° E | 81° E | 144° SE |
| Period | 9.1 sec. | 9.0 sec. | 8.9 sec. | 8.7 sec. | 8.5 sec. | 8.3 sec. | 8.2 sec. | 8.0 sec. |
| Significant height | 0.8m (2.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) |