Weather report issued by The Marine Meteorological Center Split on 21.12.2020 at 12
Warning
FOG PATCHES HERE AND THERE, MAINLY IN THE NORTH AND IN A PART OF THE CENTRAL ADRIATIC DURING THE NIGHT AND TOMORROW MORNING. A SLIGHT CHANCE OF LIGHT THUNDERSTORMS IN THE FAR SOUTH OF THE ADRIATIC AT FIRST.
Synopsis
The ridge of high pressure lies over the Adriatic, while the trough with frontal system is shifting eastwards.
Weather forecast for the Adriatic for the first 12 hours
Calm or variable winds 4-8 knots. Sea 1-2. Visibility 10-20, in places possibly less than 1 km due to fog, mainly in the North and in a part of the Central Adriatic during the night. In the north of the Adriatic fair or mainly cloudy with a slight chance of light scattered rain, elsewhere fine or fair. In the far south of the Adriatic at first cloudy with a chance of rain, showers and thunder.
Weather forecast for the next 12 hours
In the North and in a part of the Central Adriatic fair or mainly cloudy with light scattered rain, elsewhere fine or fair. Fog patches, mainly in the North and in a part of the Central Adriatic during the night and in the morning. Mainly calm. Sea calm or smooth.
PMC - Split
Douglas scale
| State of the sea | Description | Waves average height (m) |
|---|---|---|
| 0 | calm (glassy) | 0 |
| 1 | calm (rippled) | 0 - 0.1 |
| 2 | smooth | 0.1 - 0.5 |
| 3 | slight | 0.5 - 1.2 |
| 4 | moderate | 1.25 - 2.5 |
| 5 | rough | 2.5 - 4 |
| 6 | very rough | 4 - 6 |
| 7 | high | 6 - 9 |
| 8 | very high | 9 - 14 |
| 9 | phenomenal | > 14 |
Beaufort scale
| Wind speed | Waves height | ||||||
|---|---|---|---|---|---|---|---|
| km/h | m/s | kt | mph | m | ft | ||
| 0 Bf | calm | < 1 | 0 - 0.2 | < 1 | < 1 | - | - |
| 1 Bf | light air | 1 - 5 | 0.3 - 1.5 | 1 - 3 | 1-3 | 0.1 (0.1) | 0.25 (0.25) |
| 2 Bf | light breeze | 6 - 11 | 1.6 - 3.3 | 4 - 6 | 4 - 7 | 0.2 (0.3) | 0.5 (1) |
| 3 Bf | gentle breeze | 12 - 19 | 3.4 - 5.4 | 7 - 10 | 8 - 12 | 0.6 (1) | 2 (3) |
| 4 Bf | moderate breeze | 20 - 28 | 5.5 - 7.9 | 11 - 16 | 13 - 18 | 1 (1.5) | 3.5 (5) |
| 5 Bf | fresh breeze | 29 - 38 | 8.0 - 10.7 | 17 - 21 | 19 - 24 | 2 (2.5) | 6 (8.5) |
| 6 Bf | strong breeze | 39 - 49 | 10.8 - 13.8 | 22 - 27 | 25 - 31 | 3 (4) | 9.5 (13) |
| 7 Bf | near gale | 50 - 61 | 13.9 - 17.1 | 28 - 33 | 32 - 38 | 4 (5.5) | 13.5 (19) |
| 8 Bf | gale | 62 - 74 | 17.2 - 20.7 | 34 - 40 | 39 - 46 | 5.5 (7.5) | 18 (25) |
| 9 Bf | strong gale | 75 - 88 | 20.8 - 24.4 | 41 - 47 | 47 - 54 | 7 (10) | 23 (32) |
| 10 Bf | storm | 89 - 102 | 24.5 - 28.4 | 48 - 55 | 55 - 63 | 9 (12.5) | 29 (41) |
| 11 Bf | violent storm | 103 - 117 | 28.5 - 32.6 | 56 - 63 | 64 - 72 | 11.5 (16) | 37 (52) |
| 12 Bf | hurricane | >= 118 | >= 32.7 | >= 64 | >= 73 | 14 (-) | 45 (-) |
Adriatic sub-basins
