Weather report issued by The Marine Meteorological Center Split on 09.12.2018 at 12


Warning
IN THE CENTRAL AND SOUTH ADRIATIC IN THE EVENING AND DURING THE NIGHT A RISK OF LIGHT ISOLATED THUNDERSTORMS. LOCALLY IN THE OPEN SEA DURING THE NIGHT AND TOMRROW LOCAL GUSTS OF NW WINDS 35-40 KNOTS. IN THE EXTREME SOUTH OF THE ADRIATIC IN THE MORNING SEA BRIEFLY UP TO 5.
Synopsis
The shallow field of low pressure over the Adriatic is deepening.
Weather forecast for the Adriatic for the first 12 hours
SW and NW winds 6-14, in the open of the North Adriatic in the evening, and of the rest of the Adriatic during the night, NW winds strengthening to 14-26 knots. Sea 2-3, in the open during the night 3-4. Visibility above 20 km. Gradual cloud increase, in the evening and during the night scattered rain, in the Central and South Adriatic with a risk of isolated rain showers and thunder.
Weather forecast for the next 12 hours
Light to moderate NW and NE winds, in the open sea NW up to strong in places. Sea smooth or slight, toward the open up to moderate, in the extreme south of the Adriatic in the morning briefly up to rough. Overcast, in the Central and South Adriatic with scattered rain and with a risk of isolated rain showers and thunder, in the North, then in the Central , in the morning in the South Adriatic as well, partial clearing.
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