Weather report issued by The Marine Meteorological Center Split on 19.11.2020 at 06


Warning
Local gusts of NE wind 35-60 knots from the middle of the night in the North, then in the Central Adriatic, up to 80 knots in the Velebit Channel. Tomorrow the sea 5 locally in the North Adriatic. Still this morning a risk of fog in the North Adriatic and of gusts of NE wind 35-40 knots in the far south of the Adriatic.
Synopsis
A trough with a cold front is approaching the Adriatic from the northwest.
Weather forecast for the Adriatic for the first 12 hours
Calm or with NE and NW winds 4-10, initially up to 14 in the south of the Adriatic and up to 24 knots in the far south. Sea 1-2, still initially 3 locally in the open sea of the South and of a part of the Central Adriatic and 3-4 in the far south. Visibility 10-20 km, still initially in the open sea of the North Adriatic possibly reduced to less than 1 km due to fog . Mostly clear whereas in the South Adriatic variably cloudy with a very low risk of rain, mainly only in the open sea.
Weather forecast for the next 12 hours
Variably cloudy, tomorrow scattered rain in the North and Central Adriatic, mainly only in the open sea. Mostly calm whereas from the middle of the night in the North, then also in the Central Adriatic NE wind increasing to strong and near gale force, in the Velebit Channel to gale force. Sea calm or smooth, tomorrow in the North and in a part of the Central Adriatic intensifying to slight and moderate, locally in the North Adriatic rough.
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