Weather report issued by The Marine Meteorological Center Split on 21.04.2020 at 06


Warning
LOCAL GUSTS OF NE and E WINDS 35-45, IN THE NORTH ADRIATIC OF NE UP TO 60, AND IN THE VELEBIT CHANNEL UP TO 75 KNOTS. SEA LOCALLY IN THE NORTH ADRIATIC UP TO 5. A CHANCE OF LIGHT ISOLATED THUNDERSTORMS, MAINLY IN THE SOUTH AND CENTRAL ADRIATIC.
Synopsis
The ridge of high pressure is extending toward the Adriatic from the north, while the low lies over the Tyrhhenian Sea.
Weather forecast for the Adriatic for the first 12 hours
In the North and in a part of the Central Adriatic NE winds 12-24, in the North Adriatic up to 32, and in the Velebit Channel up to 38 knots. In the rest of the Adriatic NE and E, mainly toward the open sea SE winds as well, strengthening to 12-24 knots. Sea 2-3, toward the open 3-4, and in the North Adriatic 4-5. Visibility 10-20 km. Mainly cloudy with scattered rain and with a chance of isolated rain showers with thunder, mainly in the South and Central Adriatic.
Weather forecast for the next 12 hours
Moderate to strong, in the North Adriatic up to near gale, and in the Velebit Channel up to gale force NE winds. In the South and in a part of the Central Adriatic NE and E winds, toward the open sea SE as well. Sea slight and moderate, in the North Adriatic up to rough. Mainly cloudy with scattered rain and with a chance of isolated rain showers with thunder, mainly in the South and Central Adriatic. Clearing is expected in the North Adriatic.
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