Weather report issued by The Marine Meteorological Center Split on 23.02.2021 at 12


Warning
In the North Adriatic visibility locally reduced to less than 200 m due to fog, mainly during the night and morning. Local gusts of NW wind increasing to about 35 knots in the open sea of the South and of a part of the Central Adriatic, decreasing in the course of the night.
Synopsis
The vast and stable field of high maintains settled weather conditions across the Adriatic.
Weather forecast for the Adriatic for the first 12 hours
Mainly NW, at night along the coast also NE wind 4-12 knots. NW wind increasing to 12-22 knots in the open sea of the Central and South Adriatic whereas at night NE wind increasing up to 18 knots locally in the Velebit Channel. The sea 2-3, intensifying to 3-4 in the open sea of the South and of a smaller part of the Central Adriatic whereas westwards of Istria the sea 1-2. Visibility 10-20 km, in the North Adriatic 5-15 km whereas in places possibly reduced to less than 200 m due to fog, mainly at night. Mostly clear whereas fair in the North Adriatic.
Weather forecast for the next 12 hours
Light to moderate NW and NE winds and the sea smooth to slight. Reinforced NW wind locally in the open sea of the South and of a part of the Central Adriatic and the sea moderate but will be gradually diminishing. A risk of fog in places westwards of Istria. Mostly clear.
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