Weather report issued by The Marine Meteorological Center Split on 17.02.2021 at 06


Warning
FOG PATCHES OVERNIGHT, POSSIBLY REDUCING VISIBILITY TO LESS THAN 200 M, PARTICULARLY IN THE NORTH OF THE ADRIATIC.
Synopsis
A trough with weakened cold front will be shifting north of the Adriatic eastwards.
Weather forecast for the Adriatic for the first 12 hours
Calm or mainly NW winds 4-10 knots. In the open of the North and of a part of the Central Adriatic at first SW winds 6-16, in the open of the South and of a part of the Central Adriatic late in the day NW winds 6-16 knots. Sea 1-2, only locally in the open up to 3. Visibility 10-20 km. Mainly cloudy with light scattered rain.
Weather forecast for the next 12 hours
Clearing up, while in the south of the Adriatic at first still with light scattered rain. Fog patches, particularly in the north of the Adriatic. Mainly calm. In the open sea of the South and of a part of the Central Adriatic light to moderate NW winds. Sea calm or smooth, in the open of the southern part of the Adriatic up to slight.
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