Weather report issued by The Marine Meteorological Center Department Split on 15.09.2025 at 12


Warning
Tomorrow forenoon a risk of light isolated thunderstorms in the North Adriatic. At night and in the morning a low risk of some fog.
Synopsis
A ridge of a high is being spread from the west across the Adriatic while a low with a frontal disturbance is shifting more northwards.
Weather forecast for the Adriatic for the first 12 hours
Calm or variable winds 4-12, in the Central and South Adriatic NW and SW winds up to 16 knots but towards the evening will cease. The sea 1-2, locally in the open of the South and Central Adriatic 3. Visibility 20 km but at night there is a low risk of being reduced to less than 1 km due to fog. Mostly clear skies but there is some moderate cloudiness in the North Adriatic and likely scattered rain, mainly in the far north of the Adriatic.
Weather forecast for the next 12 hours
In the North Adriatic light to moderate SE and SW winds whereas elsewhere mainly calm. The sea calm or smooth, in the North Adriatic also slight. At night and in the morning there is a low risk of some fog. Mostly clear skies but in the North Adriatic there will be some moderate cloudiness and likely scattered rain, during the forenoon also rain showers and thunder, mainly in the far north of the Adriatic.

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