Weather report issued by The Marine Meteorological Center Split on 31.01.2021 at 12


Warning
LOCAL GUSTS OF SE and SW WINDS 35-50, IN THE NORTH, THEN IN A PART OF THE CENTRAL ADRIATIC AS WELL, OF NE WINDS 35-50, IN THE VELEBIT CHANNEL UP TO 65 KNOTS, GRADUALLY EASING DURING THE NIGHT AND TOMORROW. SEA LOCALLY TOWARD THE OPEN STILL UP TO 5 TODAY. ISOLATED THUNDERSTORMS.
Synopsis
A deep low is shifting from the Ligurian Sea toward the Central Adriatic and it will be slowly filling up through the night and tomorrow.
Weather forecast for the Adriatic for the first 12 hours
In the North, then in a part of the Central Adriatic, NE winds 14-26, in the Velebit Channel up to 34, and in the rest of the Adriatic SE winds 18-34 gradually turning to SW 14-26 knots, slowly easing overnight. Sea 3-4, locally toward the open up to 5. Visibility 5-15 km. Mainly cloudy with scattered rain, isolated rain showers with thunder, in the Velebit Channel with sleet.
Weather forecast for the next 12 hours
Moderate to strong NE, in the South and in a part of the Central Adriatic SW winds, gradually easing toward midday. Sea slight and moderate, gradually calming. Variably cloudy with scattered rain, isolated rain showers with thunder, while partial clearing will follow in the North and in a part of the Central 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