Weather report issued by The Marine Meteorological Center Split on 11.05.2021 at 06


Warning
ISOLATED THUNDERSTORMS IN THE NORTH ADRIATIC LATE IN THE DAY, POSSIBLY IN THE REST OF THE ADRIATIC OVERNIGHT. A CHANCE OF GUSTS OF SE WINDS 35-40 KNOTS IN THE CENTRAL ADRIATIC IN THE AFTERNOON AND IN THE SOUTH FROM THE MIDDLE OF THE NIGHT.
Synopsis
A trough with frontal disturbance is approaching the Adriatic from the northwest.
Weather forecast for the Adriatic for the first 12 hours
SE winds strengthening to 12-20, in places of the Central Adriatic in the afternoon up to 25 knots. Sea 2-3, towards the open possibly up to 4. Visibility 10-20 km. Mostly clear, but in the North Adriatic in the afternoon and in a part of the Central later on, clouds increase, bringing rain, showers and thunder in places of the North Adriatic late in the day, mainly in the open sea.
Weather forecast for the next 12 hours
Gradual clouds increase with rain, isolated rain showers and thunder in the North, possibly in the rest of the Adriatic, particularly from the middle of the night. Moderate to strong SE winds turning in the North, then in the Central Adriatic as well, to light to fresh N and NW, then to SW winds. Sea smooth or slight, towards the open possibly up to moderate.
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