Weather report issued by The Marine Meteorological Center Split on 18.04.2019 at 06


Warning
LOCAL GUSTS OF NE WINDS 35-40, IN THE VELEBIT CHANNEL UP TO 45 KNOTS. ALONG THE COAST OF THE SOUTH AND OF A PART OF THE CENTRAL ADRIATIC A LITTLE RISK OF LIGHT ISOLATED THUNDERSTORMS IN THE AFTERNOON.
Synopsis
The ridge of high pressure is extending over the Adriatic from the north, while some unstable air is still circulating in high levels.
Weather forecast for the Adriatic for the first 12 hours
NE winds 10-20, in the Velebit Channel up to 26, turning briefly in the South and Central, and in the open of the North Adriatic in the afternoon to NW and SW 8-18 knots. Sea 2-3, in the North Adriatic possibly up to 4. Visibility 20 km. Mostly clear, but along the coast in the afternoon variably cloudy, in the South and in a part of the Central Adriatic with a little risk of isolated rain showers and thunder.
Weather forecast for the next 12 hours
Mostly clear. Light to fresh, in the Velebit Channel up to strong NE winds, easing from the middle of the night to light to moderate, only in the Velebit Channel and in the extreme south of the South Adriatic still up to strong. Sea smooth or slight, in the North and in the extreme south of the Adriatic possibly up to 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