Weather report issued by The Marine Meteorological Center Split on 11.10.2021 at 12


Warning
In the North and in a part of the Central Adriatic gusts of NE wind 35-55, in the Velebit Channel reaching up to 75 knots but tomorrow decreasing to 35-45 knots. In the South and in a part of the Central Adriatic gusts of NE, towards the open sea also of NW wind increasing to 35-45 knots. Still today the sea 5 locally in the North Adriatic. Still today a risk of isolated thunderstorms locally in the South and in a part of the Central Adriatic.
Synopsis
The low from the south of the Adriatic is gradually shifting to the southeast whereas a ridge of high is spread from the northwest towards the north of the Adriatic and will be slightly becoming weaker.
Weather forecast for the Adriatic for the first 12 hours
In the North and in a part of the Central Adriatic NE wind 14-28, also up to 32 locally in the North Adriatic and up to 40 knots in the Velebit Channel. In the South and in a part of the Central Adriatic NE, towards the open sea NW wind increasing to 12-24 knots but still initially SW wind 6-16 knots. The sea 2-3, in the North and in a part of the Central Adriatic 3-4 but still today 5 locally in the North Adriatic. Visibility 10-20 km. Variably cloudy with scattered rain and also with likely isolated rain showers with thunder in the South and in a part of the Central Adriatic. Towards late in the day and during the night partial clearing up in the North and Central Adriatic.
Weather forecast for the next 12 hours
Further clearing up but still during the night scattered rain in the South Adriatic and also likely isolated rain showers with thunder. During forenoon a new cloud increase in the North Adriatic. Moderate to strong NE, towards the open sea of the South and of a part of the Central Adriatic NW wind but still during the night near gale NE wind at the foot of Velebit, initially also of gale force. Westwards and northwards of Istria NE wind decreasing to light to moderate. The sea slight and 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