Weather report issued by The Marine Meteorological Center Split on 07.01.2021 at 12


Warning
A CHANCE OF THUNDERSTORMS, MAINLY IN THE SOUTH OF THE ADRIATIC. IN THE FAR SOUTH OF THE ADRIATIC A RISK OF GUSTS OF S and SW WINDS 35-45 KNOTS DURING THE NIGHT AND TOMORROW MORNING. IN THE VELEBIT CHANNEL A RISK OF GUSTS OF NE WINDS 35-45 KNOTS TOMORROW AROUND MIDDAY.
Synopsis
The ridge of high pressure is extending over the Adriatic from the northwest, while the low over the Tyrrhenian Sea is expected to deepen.
Weather forecast for the Adriatic for the first 12 hours
Calm or E and NE, in the open sea SE winds, 4-10, strengthening in the South and in a part of the Central Adriatic to 8-18 knots. In the far south of the Adriatic during the night SE and SW winds strengthening to 18-28 knots. Sea 1-2, increasing to 2-3, in the far south of the Adriatic during the night to 3-4. Visibility 10-20 km. Mainly cloudy with scattered rain, isolated rain showers and thunder, mainly in the South and in the open sea of the Central Adriatic.
Weather forecast for the next 12 hours
Mainly cloudy with scattered rain and with a chance of isolated rain showers and thunder, mainly in the open sea and in the far south of the Adriatic. Light to moderate, in the Velebit Channel around midday up to fresh NE winds. In the far south of the Adriatic moderate to near gale force S and SW winds. Sea smooth or slight, in the far south of the Adriatic up to moderate.
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