Weather report issued by The Marine Meteorological Center Split on 23.04.2021 at 12


Warning
Local gusts of NE wind 35-45 knots whereas still initially in the South and in a small part of the Central Adriatic possibly of SE and E winds 35-40 knots. Light isolated thunderstorms in the South and in a part of the Central Adriatic. A risk of fog in the far north of the Adriatic.
Synopsis
A ridge of high is intensifying from the northwest across the Adriatic whereas a shallow trough is slowly shifting from the south of the Adriatic to the east.
Weather forecast for the Adriatic for the first 12 hours
NE and NW winds 8-18, NE locally up to 22 knots whereas still initially locally in the South and in a small part of the Central Adriatic also SE and E winds 12-22 knots. The sea 2-3, towards the open of the South and of a part of the Central Adriatic 3-4. Visibility 10-20 km but at night in the far north of the Adriatic possibly reduced to less than 1 km due to fog. Mostly clear whereas in the South and in a part of the Central Adriatic variably cloudy with possible scattered rain or isolated rain showers with thunder.
Weather forecast for the next 12 hours
Moderate, locally also strong NE wind. The sea smooth to slight, in the open of the South Adriatic also moderate. A risk of fog in the far north of the Adriatic. Mostly clear whereas still initially locally in the South Adriatic variably cloudy with possible scattered rain or isolated rain showers with thunder.
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