Weather report issued by The Marine Meteorological Center Split on 12.01.2021 at 12


Warning
LOCAL GUSTS OF NE WINDS 35-40 KNOTS IN THE VELEBIT CHANNEL AT FIRST AND AGAIN TOMORROW TOWARD MIDDAY. LOCALLY TOWARD THE OPEN SEA GUSTS OF NW WINDS AROUND 35 KNOTS. A LITTLE CHANCE OF LIGHT ISOLATED THUNDERSTORMS IN THE SOUTH ADRIATIC.
Synopsis
The ridge of high pressure from the west will slowly weaken, while the low over the central Mediterranean is shifting southeastwards.
Weather forecast for the Adriatic for the first 12 hours
N and NW, in the Velebit Channel at first still NE winds, 8-18, toward the open sea up to 24 knots. Sea 2-3, toward the open 3-4. Visibility 10-20 km. In places variably cloudy, in the South Adriatic with a little chance of rain or rain showers with thunder.
Weather forecast for the next 12 hours
Moderate and fresh, toward the open sea of the South and of a part of the Central Adriatic up to strong NW, and along the coast of the North Adriatic toward midday moderate, in the Velebit Channel up to fresh NE winds. Sea slight, toward the open moderate. In places variably cloudy with a chance of rain or showers, mainly in the open sea of the South 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