Weather report issued by The Marine Meteorological Center Split on 17.11.2021 at 06


Warning
Local gusts of NE wind 35-40 in the North Adriatic, in the Velebit Channel up to 50 knots, decreasing around midday but during the night increasing again. In the open sea of the Central and South Adriatic local gusts of SE wind 35-40 knots, decreasing around the midday. Isolated thunderstorms.
Synopsis
The high from the European land is spreading a ridge towards the Adriatic whereas the low is stationary across the Central Mediterranean.
Weather forecast for the Adriatic for the first 12 hours
NE wind 12-22 knots in the North Adriatic, in the Velebit Channel up to 26 knots, decreasing around midday to 8-18 knots and southwards of Istria turning to E and SE winds. In the Central and South Adriatic SE and E winds 12-24, decreasing around the midday to 8-18 knots. The sea 2-3, in the open 3-4. Visibility 10-20 km. Variably and mainly cloudy with scattered rain and rain showers, particularly in the open sea.
Weather forecast for the next 12 hours
Moderate to fresh SE and E winds in the Central and South Adriatic whereas in the North Adriatic NE wind increasing again to moderate to strong, in the Velebit Channel of near gale force. The sea slight to moderate. Variably and mainly cloudy with scatered rain and rain showers, particularly in the open sea.
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