Weather report issued by The Marine Meteorological Center Split on 23.04.2021 at 06


Warning
In the South and in a small part of the Central Adriatic local gusts of SE and E winds 35-40 knots whereas in the North Adriatic, then also elsewhere of NE wind 35-45, in the morning also reaching up to 55 knots in the Velebit Channel. Isolated thunderstorms, mainly in the South Adriatic. A risk of fog in the far north.
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
In the North and in a part of the Central Adriatic NE, in the afternoon also NW winds 6-16, in the morning NE temporarily also up to 20, at the foot of Velebit reaching up to 28 knots. In the South and in a small part of the Central Adriatic SE and E winds 10-20, locally up to 26 knots, turning to NE wind 10-20 knots. The sea 2-3, in the South, still during the day also in a part of the Central Adriatic 3-4. Visibility 10-20 km, in the morning and at night in the far north possibly reduced to less than 1 km due to fog. Mostly clear whereas in the South and a part of the day also in a part of the Central Adriatic mostly cloudy with scattered rain and rain showers with thunder.
Weather forecast for the next 12 hours
Light to moderate, locally also fresh NE wind, still initially in the North and in a part of the Central Adriatic also NW wind. The sea smooth to slight, locally in the South Adriatic also moderate. Mostly clear whereas in the South, still initially also in a small part of the Central Adriatic mostly cloudy with scattered rain and 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