Weather report issued by The Marine Meteorological Center Split on 10.10.2020 at 12


Warning
ISOLATED THUNDERSTORMS, IN THE NORTH ADRIATIC FROM THE MIDDLE OF THE NIGHT AND IN A PART OF THE CENTRAL ADRIATIC TOMORROW TOWARD MIDDAY. GUSTS OF SE WINDS 35-40 KNOTS IN THE NORTH ADRIATIC TOMORROW MORNING AND IN A PART OF THE CENTRAL DURING THE FORENOON.
Synopsis
The ridge of high pressure over the Adriatic is gradually weakening, while the trough with frontal disturbance is slowly approaching from the west.
Weather forecast for the Adriatic for the first 12 hours
Calm or NW winds 4-12, gradually turning in the afternoon to SW, then to SE, and gradually strengthening in the evening and through the night to 6-16 knots. Sea 1-2, increasing toward the end of the day to 2-3. Visibility 10-20 km. Fine or fair, but cloud increase is expected in the North and in a part of the Central Adriatic late in the day, bringing rain, showers and thunder in places, firstly in the northern part.
Weather forecast for the next 12 hours
SE winds strengthening to strong and gradually turning in the northern part of the Adriatic during the forenoon to NE. Sea slight, from the morning up to moderate. Cloudy with rain, showers and thunder, in places of the North and of a part of the Central Adriatic even heavier.
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