Weather report issued by The Marine Meteorological Center Split on 30.01.2021 at 12


Warning
LOCAL GUSTS OF SE WINDS EXPECTED TO REACH 35-50, IN THE NORTH AND IN A PART OF THE CENTRAL ADRIATIC TOMORROW OF NE WINDS 35-60 KNOTS. SEA POSSIBLY UP TO 5 TOMORROW. A CHANCE OF ISOLATED THUNDERSTORMS TOMORROW. A RISK OF FOG PATCHES AT FIRST.
Synopsis
A low is expected to generate over the Ligurian Sea and then to move over the Adriatic.
Weather forecast for the Adriatic for the first 12 hours
SE winds 4-12, strengthening to 14-30 knots. In the south of the Adriatic at first NW winds 6-16, in the open sea up to 20 knots. Sea 2-3, in the far south of the Adriatic at first 3-4, increasing through the night to 3-4. Visibility 10-20, in places at first possibly less than 1 km due to fog. Cloud increase bringing rain in the North, around the middle of the night in the Central Adriatic as well.
Weather forecast for the next 12 hours
Overcast with rain, isolated rain showers and thunder, precipitation possibly even more abundant. Moderate to near gale force, in the far south of the Adriatic up to gale force SE winds, turning in the North, around midday in a part of the Central Adriatic, to moderate and near gale force, in the Velebit Channel up to gale force NE winds. Sea slight and moderate, locally in the open up to 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