Weather report issued by The Marine Meteorological Center Split on 17.11.2018 at 12


Warning
LOCAL GUSTS OF NE WINDS 35-55, IN THE VELEBIT CHANNEL UP TO 70 KNOTS. SOUTHWEST OF PORER LATE IN THE DAY AND DURING THE NIGHT SEA POSSIBLY UP TO 5. LIGHT ISOLATED THUNDERSTORMS IN THE OPEN SEA, PARTICULARLY OF THE SOUTH AND OF A PART OF THE CENTRAL ADRIATIC.
Synopsis
The ridge of high pressure from the northeast is extending a trough toward the Adriatic, while a shallow field of low pressure lies over the southern Mediterranan.
Weather forecast for the Adriatic for the first 12 hours
NE winds 14-28, in the Velebit Channel up to 36 knots. Sea 2-3, in the open and in the Velebit Channel 3-4, southwest of Porer late in the day possibly up to 5. Visibility above 20 km. Along the coast mostly clear, in the open sea variably cloudy with a risk of a little rain or isolated rain showers and thunder, particularly in the South and in a part of the Central Adriatic.
Weather forecast for the next 12 hours
Moderate to strong, in places up to near gale force, and in the Velebit Channel up to gale force NE winds. Sea slight and moderate, southwest of Porer up to rough. Partly clear, in the open sea variably cloudy with a little rain or isolated rain showers and thunder. Air temperatures will drop a little.
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