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WEATHER REPORT ISSUED BY THE MARINE METEOROLOGICAL CENTER SPLIT ON 20.08.2017 AT 0600 HOURS


WARNING

IN THE NORTH AND CENTRAL, FROM THE END OF THE DAY IN THE SOUTH ADRIATIC AS WELL, LOCAL GUSTS OF NE WINDS 35-50 IN THE VELEBIT CHANNEL UP TO 60 KNOTS. ISOLATED THUNDERSTORMS, FIRSTLY IN THE NORTH AND CENTRAL, IN THE EVENING AND DURING THE NIGHT IN THE SOUTH ADRIATIC AS WELL.

SYNOPSIS

A trough with frontal system is shifting across the Adriatic, while a ridge of high pressure will intensify from the northwest.

WEATHER FORECAST FOR THE ADRIATIC FOR THE FIRST 12 HOURS

NE winds 12-24, in places up to 28, in the Velebit Channel up to 32 knots. In the South, at first in a part of the Central Adriatic as well, SE winds 6-14, in places up to 18 knots, easing later on. Sea 2-3, in the North Adriatic 3-4. Visibility 10-20 km. Variably cloudy with scattered rain, isolated rain showers and thunder, but gradual clearing is expected in the North Adriatic in the afternoon and in the Central later on. In the South Adriatic fine or fair.

WEATHER FORECAST FOR THE NEXT 12 HOURS

Moderate to strong, in places up to near gale force NE winds, gradually spreading to the rest of the Adriatic. Sea slight and moderate. Mostly clear, only in the South Adriatic still variably cloudy with a chance of scattered rain, isolated rain showers and thunder.

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 0.5-1.25
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(-)


 

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