Weather report issued by The Marine Meteorological Center Split on 27.09.2020 at 12


Warning
Isolated thunderstorms. Gusts of SE wind increasing to 35-55 knots, then of SW wind 35-45 whereas in the North Adriatic of NE wind 35-70 knots, decreasing tomorrow. Sea 5-6 in places.
Synopsis
The low centered over the Tyrrhenian Sea is shifting towards the Adriatic and then further on to the northeast.
Weather forecast for the Adriatic for the first 12 hours
SE wind 12-22, increasing to 20-38 knots, late in the day in a large part of the North Adriatic turning to NE wind, then at night in the rest of the Adriatic to SW wind 16-32 knots. Sea 2-3, intensifying to 4-5, possibly 6. Visibility 10-20 km. Cloudy with scattered rain, rain showers and thunder, particularly at night there is a risk of abundant precipitation.
Weather forecast for the next 12 hours
Cloudy with scattered rain, rain showers and thunder and a risk of abundant precipitation, particularly in the south of the Adriatic whereas during the day variably cloudy with possible rain, rain showers and thunder. Strong and near gale SW decreasing to light to reinforced. In a part of the North Adriatic strong to gale force NE turning to NW and W which will be decreasing to light to moderate. Sea moderate and rough, possibly very rough, diminishing to 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