Weather report issued by The Marine Meteorological Center Split on 21.05.2020 at 06


Warning
LOCAL GUSTS OF NE WINDS 35-50, IN THE VELEBIT CHANNEL UP TO 60 KNOTS, EASING LATE IN THE DAY IN THE NORTH, DURING THE NIGHT IN THE CENTRAL ADRIATIC. STILL A CHANCE OF LIGHT ISOLATED THUNDERSTORMS IN THE SOUTH AND IN A PART OF THE CENTRAL ADRIATIC AT FIRST.
Synopsis
The trough with frontal system is slowly withdrawing from the Adriatic eastwards, while the ridge of high pressure is intensifying from the northwest.
Weather forecast for the Adriatic for the first 12 hours
In the North and Central Adriatic NE and N winds 14-26, in the Velebit Channel NE up to 32, turning in the open sea in the second part of the day to NW and gradually easing late in the day to 8-18 knots. In the South Adriatic NE and NW winds 10-20, strengthening during the day to 14-26, in the far south up to 30 knots. Sea 3-4, in the South Adriatic at first 2-3, easing in the North and Central Adriatic in the evening to 2-3. Visibility 20 km. In the North Adriatic mostly clear, elsewhere still variably cloudy with a chance of scattered rain, isolated rain showers and thunder, then gradual clearing through the day.
Weather forecast for the next 12 hours
Moderate to strong NE and N winds gradually easing, most lately in the far south of the Adriatic. Sea slight, in the South Adriatic up to moderate. Mostly clear.
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