Weather report issued by The Marine Meteorological Center Split on 22.04.2021 at 12


Warning
Local gusts of SE wind 35-40 knots in the South and in parts of the Central Adriatic whereas tomorrow morning in the North Adriatic of NE wind of about 35, in the Velebit Channel up to 45 knots. Light isolated thunderstorms, particularly in the South Adriatic. At night a risk of fog in the far north of the Adriatic.
Synopsis
The shallow field of low is shifting from the Tyrrhenian Sea to southern part of the Adriatic whereas a weakened cold front is approaching from the north.
Weather forecast for the Adriatic for the first 12 hours
SE wind 8-18, locally up to 26 knots, towards late in the day in the North and in a major part of the Central Adriatic decreasing and turning to NE wind 4-14 knots. The sea 2-3, in the open 3-4 but in the evening calming in the North and in a part of the Central Adriatic. Visibility 10-20 km. Variably cloudy with scattered rain or isolated rain showers with thunder.
Weather forecast for the next 12 hours
Light to moderate NE wind, in the morning reinforced and strong in the North Adriatic whereas SE wind remaining in the South and in a small part of the Central Adriatic, locally also strong. The sea smooth to slight, in the South Adriatic also moderate. A risk of fog in the far north. Gradual clearing up in the North and in a part of the Central Adriatic whereas variably cloudy with scattered rain and isolated rain showers with thunder more to the south.
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