Weather report issued by The Marine Meteorological Center Split on 12.05.2020 at 12


Warning
IN THE NORTH AND IN A PART OF THE CENTRAL ADRIATIC LOCAL GUSTS OF NE WINDS STRENGTHENING TO 35-45, BRIEFLY UP TO 55 KNOTS, EASING AROUND THE MIDDLE OF THE NIGHT. POSSIBILITY OF ISOLATED THUNDERSTORMS, PARTICULARLY IN THE NORTH ADRIATIC. DURING THE FORENOON AGAIN GUSTS OF SE WINDS STRENGTHENING TO 35-45 KNOTS.
Synopsis
The frontal system is shifting across the North and a part of the Central Adriatic, while the ridge of high pressure is briefly intensifying from the north and a new shallow trough is already approaching from the west.
Weather forecast for the Adriatic for the first 12 hours
In the North and in a part of the Central Adriatic NE winds strengthening to 12-24, in places up to 28, and in the South and in the greater part of the Central Adriatic SE and SW winds 4-14 knots, strengthening again in the evening. Sea 2-3, locally in the northern part of the Adriatic up to 4. Variably cloudy with a chance of rain or isolated rain showers with thunder, particularly in the northern part of the Adriatic.
Weather forecast for the next 12 hours
SE winds strengthening during the forenoon to strong, in places up to near gale force. Sea slight, toward midday up to moderate. Partly clear with variable cloud cover in places, in the North Adriatic with rain or isolated rain showers with thunder.
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