Weather report issued by The Marine Meteorological Center Split on 12.02.2021 at 12


Warning
Local gusts of NE wind 35-45, in the Velebit Channel up to 55 knots, at night and in the morning increasing to 35-60, in the North Adriatic up to 75 and at the foot of Velebit up to 90 knots. At night and in the morning the sea locally 5. From the middle of the night a risk of light isolated thunderstorms, first in the open.
Synopsis
A ridge of high is intensifying from the northwest and a low is becoming deeper across the central Mediterranean and tomorrow it will be shifting across the Tyrrhenian towards the Ionian Sea.
Weather forecast for the Adriatic for the first 12 hours
NE wind 12-24, locally in the Velebit Channel up to 28 knots, in the evening increasing to 14-28, at the foot of Velebit up to 38 knots. The sea 2-3, locally 4. Visibility 10-20 km. Cloud increase.
Weather forecast for the next 12 hours
NE wind strengthening to strong and gale force, at the foot of Velebit also strong gale force. The sea slight and moderate and first in the open of the North Adriatic also rough. Cloudy with scattered rain or snow, first in the open sea and also possible rain showers with thunder. During forenoon partial clearing up in the North Adriatic.
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