Sea weather in Opatija in Croatia All the beach weather in Opatija
All the essential weather information for enjoying the beach in Opatija in Croatia, 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 Opatija over the next 7 days?
Discover the best moment to go to the beach in Opatija in Croatia this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Opatija. 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 | 49°F to 52°F | 3.1mph | recommended | all the sea weather |
| Sunday 14 December 2025 | 41°F to 52°F | 3.7mph | recommended | all the sea weather |
| Monday 15 December 2025 | 47°F to 50°F | 5mph | recommended | all the sea weather |
| Tuesday 16 December 2025 | 49°F to 52°F | 7.5mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 50°F to 54°F | 5.6mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 50°F to 54°F | 3.1mph | recommended | all the sea weather |
| Friday 19 December 2025 | 50°F to 52°F | 2.5mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Opatija
Sea weather on Saturday 13 December 2025
On Saturday 13 December 2025, the sun will rise at 07:37 and will set at 16:23 on the beach(es) of Opatija. The outside temperature will be a high of 52°F t and a low of 49°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 3.7mph km/h (with gusts up to 7.5mph). 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 | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) | 10°C (51°F) | 11°C (52°F) | 10°C (50°F) | 9°C (48°F) | 10°C (49°F) |
| Perceived temperature | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 10°C (51°F) | 11°C (52°F) | 10°C (49°F) | 9°C (48°F) | 9°C (49°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 72% | 69% | 64% | 61% | 69% | 69% | 70% |
| Barometric pressure | 1025 hPa | 1025 hPa | 1025 hPa | 1026 hPa | 1025 hPa | 1025 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 8% | 9% | 8% | 10% | 11% | 10% | 11% | 7% |
| Heat index | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) | 10°C (51°F) | 11°C (52°F) | 10°C (50°F) | 9°C (48°F) | 10°C (49°F) |
| Dew point | 6°C (42°F) | 4°C (40°F) | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 6km/h (4mph) | 5km/h (3mph) | 5km/h (3mph) | 5km/h (3mph) | 5km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) |
| Gusts | 11km/h (7mph) | 12km/h (8mph) | 10km/h (6mph) | 7km/h (5mph) | 8km/h (5mph) | 9km/h (6mph) | 8km/h (5mph) | 9km/h (6mph) |
| Direction | 64° ENE | 53° NE | 39° NE | 25° NNE | 321° NW | 327° NNW | 21° NNE | 80° E |
| Wind chill | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 10°C (51°F) | 11°C (52°F) | 10°C (49°F) | 9°C (48°F) | 9°C (49°F) |
| Waves | ||||||||
| Height | 0.3m (1.1ft) | 0.6m (1.9ft) | 0.2m (0.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.8ft) | 0.4m (1.2ft) | 0.3m (1.0ft) |
| Direction | 325° NW | 320° NW | 313° NW | 301° WNW | 290° WNW | 245° WSW | 242° WSW | 242° WSW |
| Period | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 07:37 and will set at 16:23 on the beach(es) of Opatija. The outside temperature will be a high of 52°F t and a low of 41°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 3.7mph km/h (with gusts up to 6.8mph). 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 (49°F) | 9°C (48°F) | 9°C (47°F) | 10°C (50°F) | 11°C (52°F) | 10°C (49°F) | 6°C (42°F) | 9°C (48°F) |
| Perceived temperature | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 5°C (42°F) | 8°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 68% | 67% | 64% | 59% | 67% | 69% | 71% |
| Barometric pressure | 1026 hPa | 1026 hPa | 1027 hPa | 1027 hPa | 1027 hPa | 1026 hPa | 1027 hPa | 1027 hPa |
| Cloud cover | 0% | 3% | 3% | 3% | 18% | 14% | 0% | 0% |
| Heat index | 9°C (49°F) | 9°C (48°F) | 9°C (47°F) | 10°C (50°F) | 11°C (52°F) | 10°C (49°F) | 6°C (42°F) | 9°C (48°F) |
| Dew point | 4°C (39°F) | 3°C (38°F) | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) | 4°C (39°F) | 1°C (33°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 5km/h (3mph) | 6km/h (4mph) | 5km/h (3mph) | 1km/h (1mph) | 1km/h (0mph) | 4km/h (2mph) | 6km/h (4mph) |
| Gusts | 10km/h (6mph) | 10km/h (6mph) | 11km/h (7mph) | 9km/h (5mph) | 2km/h (1mph) | 1km/h (1mph) | 8km/h (5mph) | 11km/h (7mph) |
| Direction | 81° E | 78° ENE | 93° E | 91° E | 327° NNW | 342° NNW | 68° ENE | 69° ENE |
| Wind chill | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 5°C (42°F) | 8°C (47°F) |
| Waves | ||||||||
| Height | 0.5m (1.6ft) | 0.3m (1.0ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.7ft) |
| Direction | 240° WSW | 243° WSW | 241° WSW | 9999° | 9999° | 237° WSW | 240° WSW | 242° WSW |
| Period | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:38 and will set at 16:23 on the beach(es) of Opatija. The outside temperature will be a high of 50°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! The sea will be generally calm, with a wind speed of up to 5mph 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 | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 10°C (49°F) | 9°C (48°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) |
| Perceived temperature | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 9°C (49°F) | 9°C (48°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 68% | 70% | 71% | 70% | 76% | 78% | 78% |
| Barometric pressure | 1027 hPa | 1026 hPa | 1026 hPa | 1027 hPa | 1026 hPa | 1025 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 0% | 0% | 4% | 1% | 1% | 2% | 21% | 60% |
| Heat index | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 10°C (49°F) | 9°C (48°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) |
| Dew point | 3°C (38°F) | 3°C (37°F) | 3°C (37°F) | 5°C (40°F) | 4°C (39°F) | 4°C (40°F) | 5°C (41°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 5km/h (3mph) | 6km/h (4mph) | 5km/h (3mph) | 3km/h (2mph) | 3km/h (2mph) | 5km/h (3mph) | 8km/h (5mph) |
| Gusts | 11km/h (7mph) | 9km/h (6mph) | 11km/h (7mph) | 8km/h (5mph) | 5km/h (3mph) | 7km/h (4mph) | 10km/h (6mph) | 13km/h (8mph) |
| Direction | 82° E | 96° E | 96° E | 108° ESE | 148° SSE | 176° S | 143° SE | 87° E |
| Wind chill | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 9°C (49°F) | 9°C (48°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.4m (1.4ft) | 0.4m (1.4ft) | 0.1m (0.3ft) | 0.2m (0.6ft) | 0.1m (0.4ft) | 0.3m (1.1ft) | 0.5m (1.5ft) |
| Direction | 243° WSW | 244° WSW | 245° WSW | 9999° | 9999° | 9999° | 9999° | 9999° |
| Period | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. |
| Significant height | 0.1m (0.3ft) | 0.2m (0.7ft) | 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 | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:39 and will set at 16:24 on the beach(es) of Opatija. The outside temperature will be a high of 52°F t and a low of 49°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 7.5mph km/h (with gusts up to 13.7mph). 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 | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (50°F) | 11°C (52°F) | 11°C (51°F) | 10°C (50°F) | 10°C (51°F) |
| Perceived temperature | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) | 9°C (48°F) | 10°C (50°F) | 10°C (50°F) | 9°C (48°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 74% | 73% | 73% | 75% | 74% | 75% | 75% | 75% |
| Barometric pressure | 1025 hPa | 1024 hPa | 1025 hPa | 1025 hPa | 1024 hPa | 1023 hPa | 1024 hPa | 1024 hPa |
| Cloud cover | 76% | 7% | 100% | 52% | 68% | 100% | 75% | 66% |
| Heat index | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (50°F) | 11°C (52°F) | 11°C (51°F) | 10°C (50°F) | 10°C (51°F) |
| Dew point | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) | 6°C (42°F) | 6°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 8km/h (5mph) | 8km/h (5mph) | 9km/h (6mph) | 8km/h (5mph) | 7km/h (4mph) | 10km/h (6mph) | 12km/h (7mph) |
| Gusts | 11km/h (7mph) | 15km/h (9mph) | 14km/h (9mph) | 15km/h (9mph) | 12km/h (8mph) | 12km/h (7mph) | 19km/h (12mph) | 22km/h (13mph) |
| Direction | 82° E | 83° E | 87° E | 72° ENE | 63° ENE | 85° E | 92° E | 82° E |
| Wind chill | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) | 9°C (48°F) | 10°C (50°F) | 10°C (50°F) | 9°C (48°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 0.1m (0.3ft) | 0.2m (0.6ft) | 0.1m (0.4ft) | 0.2m (0.6ft) | 0.2m (0.8ft) | 0.3m (0.9ft) | 0.3m (1.0ft) | 0.3m (1.1ft) |
| Direction | 9999° | 127° SE | 110° ESE | 124° SE | 156° SSE | 166° SSE | 166° SSE | 164° SSE |
| Period | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 3.9 sec. | 4.4 sec. | 4.8 sec. |
| Significant height | 0.3m (1ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:40 and will set at 16:24 on the beach(es) of Opatija. The outside temperature will be a high of 54°F t and a low of 50°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 6.8mph km/h (with gusts up to 12.4mph). 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 | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) |
| Perceived temperature | 9°C (48°F) | 8°C (47°F) | 10°C (50°F) | 11°C (51°F) | 11°C (53°F) | 10°C (50°F) | 9°C (49°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 88% | 94% | 92% | 90% | 91% | 91% | 91% |
| Barometric pressure | 1024 hPa | 1023 hPa | 1024 hPa | 1026 hPa | 1026 hPa | 1027 hPa | 1028 hPa | 1029 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 87% | 61% | 69% |
| Heat index | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) |
| Dew point | 6°C (43°F) | 8°C (46°F) | 9°C (48°F) | 9°C (49°F) | 10°C (50°F) | 10°C (49°F) | 9°C (49°F) | 10°C (49°F) |
| Wind | ||||||||
| Speed | 11km/h (7mph) | 10km/h (6mph) | 5km/h (3mph) | 5km/h (3mph) | 6km/h (4mph) | 9km/h (5mph) | 9km/h (6mph) | 9km/h (6mph) |
| Gusts | 20km/h (12mph) | 15km/h (10mph) | 8km/h (5mph) | 8km/h (5mph) | 9km/h (5mph) | 13km/h (8mph) | 15km/h (9mph) | 14km/h (9mph) |
| Direction | 77° ENE | 67° ENE | 80° E | 95° E | 189° S | 191° SSW | 171° S | 187° S |
| Wind chill | 9°C (48°F) | 8°C (47°F) | 10°C (50°F) | 11°C (51°F) | 11°C (53°F) | 10°C (50°F) | 9°C (49°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 0.3m (1.1ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.1m (0.5ft) |
| Direction | 163° SSE | 161° SSE | 156° SSE | 154° SSE | 153° SSE | 153° SSE | 206° SSW | 213° SSW |
| Period | 5.1 sec. | 5.3 sec. | 5.7 sec. | 6.0 sec. | 6.0 sec. | 6.1 sec. | 2.6 sec. | 5.7 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:40 and will set at 16:24 on the beach(es) of Opatija. The outside temperature will be a high of 54°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 3.1mph km/h (with gusts up to 5.6mph). 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 (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) |
| Perceived temperature | 12°C (53°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 91% | 90% | 87% | 84% | 87% | 87% | 88% |
| Barometric pressure | 1030 hPa | 1030 hPa | 1030 hPa | 1032 hPa | 1031 hPa | 1031 hPa | 1031 hPa | 1031 hPa |
| Cloud cover | 91% | 77% | 100% | 82% | 88% | 47% | 54% | 30% |
| Heat index | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) |
| Dew point | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) |
| Wind | ||||||||
| Speed | 3km/h (2mph) | 3km/h (2mph) | 3km/h (2mph) | 3km/h (2mph) | 5km/h (3mph) | 4km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) |
| Gusts | 5km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) | 4km/h (2mph) | 7km/h (5mph) | 7km/h (4mph) | 6km/h (4mph) | 9km/h (6mph) |
| Direction | 243° WSW | 338° NNW | 335° NNW | 305° NW | 318° NW | 305° NW | 315° NW | 19° NNE |
| Wind chill | 12°C (53°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 0.1m (0.4ft) | 0.3m (0.9ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.4m (1.2ft) | 0.1m (0.5ft) | 0.6m (1.8ft) | 0.1m (0.3ft) |
| Direction | 215° SW | 150° SSE | 149° SSE | 147° SSE | 147° SSE | 306° NW | 306° NW | 146° SE |
| Period | 5.6 sec. | 5.7 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 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 | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:41 and will set at 16:25 on the beach(es) of Opatija. The outside temperature will be a high of 52°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 2.5mph km/h (with gusts up to 3.7mph). 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 | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 10°C (51°F) |
| Perceived temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 11°C (51°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 88% | 88% | 87% | 83% | 85% | 88% | 89% |
| Barometric pressure | 1030 hPa | 1029 hPa | 1028 hPa | 1028 hPa | 1026 hPa | 1025 hPa | 1025 hPa | 1025 hPa |
| Cloud cover | 43% | 100% | 97% | 100% | 79% | 72% | 91% | 100% |
| Heat index | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 10°C (51°F) |
| Dew point | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 9°C (47°F) |
| Wind | ||||||||
| Speed | 2km/h (1mph) | 1km/h (1mph) | 3km/h (2mph) | 2km/h (1mph) | 1km/h (1mph) | 1km/h (1mph) | 4km/h (2mph) | 4km/h (2mph) |
| Gusts | 4km/h (2mph) | 2km/h (1mph) | 4km/h (2mph) | 3km/h (2mph) | 2km/h (1mph) | 2km/h (1mph) | 6km/h (4mph) | 5km/h (3mph) |
| Direction | 75° ENE | 37° NE | 54° NE | 151° SSE | 117° ESE | 336° NNW | 354° N | 359° N |
| Wind chill | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 11°C (51°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.5m (1.7ft) | 0.2m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.5ft) |
| Direction | 9999° | 314° NW | 313° NW | 9999° | 323° NW | 310° NW | 306° NW | 306° NW |
| Period | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. |
| Significant height | 0.3m (1ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |