Weather report issued by The Marine Meteorological Center Split on 17.09.2019 at 12


Warning
FROM THE MIDDLE OF NIGHT IN THE NORTH, TOMORROW MORNING IN A PART OF THE CENTRAL ADRIATIC, ISOLATED THUNDERSTORMS AND LOCAL GUSTS OF NE WINDS 35-50, IN THE VELEBIT CHANNEL UP TO 60 KNOTS.
Synopsis
The field of high pressure over the Adriatic is weakening, while the cold front is approaching from the north.
Weather forecast for the Adriatic for the first 12 hours
Calm or variable winds 5-10, in the North, during the night in the rest of the Adriatic as well, SE and SW winds up to 14 knots. Sea 1-2. Visibility 10-20, in places during the night 2-4 km due to mist. Mostly clear and very warm, in places with some moderate cloudiness, while in the North Adriatic cloud increse is expected during the night, bringing rain, showers and thunder later on.
Weather forecast for the next 12 hours
Light to moderate SE, in the North, tomorrow morning in part of the Central Adriatic, turning to NE and strengthening rapidly to moderate to strong, in the Velebit Channel up to near gale force. Sea smooth, in the North, tomorrow morning in a part of the Central Adriatic increasing to slight, in the North Adriatic in the morning up to moderate. Fine or fair, in the North, in the morning in a part of the Central Adriatic as well, heavier cloud increase with rain, showers and thunder. Air temperatures will drop.
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