Weather report issued by The Marine Meteorological Center Split on 18.04.2021 at 06


Warning
In the North, still initially also in a part of the Central Adriatic local gusts of NE wind 35-45 knots, decreasing during the day and only in the evening again increasing to 35-40 knots in the Velebit Channel. A risk of light isolated thunderstorms, particularly at night in the South Adriatic.
Synopsis
A ridge of high is spreading from the northwest towards the Adriatic and the low situated across the Ionian Sea will be slowly filling up and shifting to the east.
Weather forecast for the Adriatic for the first 12 hours
NE wind 6-16, in the North, still initially also in a part of the Central Adriatic 12-22, at the foot of Velebit up to 26 knots, gradually decreasing and midday turning to NW, in the South and in a part of the Central Adriatic to SW wind 4-14, locally up to 18 knots. Towards late in the day in the North Adriatic again NE wind 6-16, locally at the foot of Velebit up to 20 knots. The sea 2-3. Visibility 10-20 km. Variably cloudy with scattered light rain or possible isolated rain showers with thunder, mainly in the South Adriatic.
Weather forecast for the next 12 hours
In the North Adriatic light to moderate NE wind, also reinforced locally at the foot of Velebit whereas elsewhere light, only in some places also moderate NW and in the south also SW winds. The sea smooth, locally in the North Adriatic slight. Variably cloudy with scattered light rain or possible isolated rain showers with thunder, mainly in the South and in a small part of the Central Adriatic.
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