Weather archive in Mariehamn West Harbour
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Weather statistics
| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2025 December 18, Thursday | 18 | 6.9 44 | 758.3 29.85 1010.98 1010.98 | 758.6 29.87 1011.38 1011.38 | 93 | Wind blowing from the south-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 5.8 42 | |||||||||||||||||||
17 | 6.6 44 | 758.5 29.86 1011.25 1011.25 | 758.8 29.87 1011.65 1011.65 | 95 | Wind blowing from the south-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 5.9 43 | ||||||||||||||||||||
16 | 6.5 44 | 758.3 29.85 1010.98 1010.98 | 758.7 29.87 1011.52 1011.52 | 98 | Wind blowing from the south-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 6.2 43 | ||||||||||||||||||||
15 | 6.6 44 | 759.0 29.88 1011.92 1011.92 | 759.4 29.9 1012.45 1012.45 | 99 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 6.4 44 | ||||||||||||||||||||
14 | 6.5 44 | 759.2 29.89 1012.18 1012.18 | 759.6 29.91 1012.72 1012.72 | 93 | Wind blowing from the south-southwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 5.5 42 | ||||||||||||||||||||
13 | 6.1 43 | 759.6 29.91 1012.72 1012.72 | 760.0 29.92 1013.25 1013.25 | 93 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 5.1 41 | ||||||||||||||||||||
12 | 5.0 41 | 760.0 29.92 1013.25 1013.25 | 760.4 29.94 1013.78 1013.78 | 95 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 4.2 40 | ||||||||||||||||||||
11 | 4.2 40 | 760.5 29.94 1013.92 1013.92 | 760.8 29.95 1014.32 1014.32 | 93 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 3.2 38 | |||||||||||||||||||||
10 | 3.7 39 | 760.6 29.94 1014.05 1014.05 | 761.0 29.96 1014.58 1014.58 | 93 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 2.7 37 | |||||||||||||||||||||
09 | 3.7 39 | 760.5 29.94 1013.92 1013.92 | 760.9 29.96 1014.45 1014.45 | 95 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 3.0 37 | ||||||||||||||||||||
08 | 3.6 38 | 760.4 29.94 1013.78 1013.78 | 760.8 29.95 1014.32 1014.32 | 95 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 2.9 37 | 6.1 43 | 2.9 37 | ||||||||||||||||||
07 | 4.0 39 | 760.3 29.93 1013.65 1013.65 | 760.6 29.94 1014.05 1014.05 | 95 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 3.3 38 | ||||||||||||||||||||
06 | 4.4 40 | 760.2 29.93 1013.52 1013.52 | 760.5 29.94 1013.92 1013.92 | 93 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 3.3 38 | ||||||||||||||||||||
05 | 3.7 39 | 760.0 29.92 1013.25 1013.25 | 760.3 29.93 1013.65 1013.65 | 95 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 3.0 37 | ||||||||||||||||||||
04 | 3.1 38 | 760.0 29.92 1013.25 1013.25 | 760.3 29.93 1013.65 1013.65 | 97 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 2.6 37 | ||||||||||||||||||||
03 | 3.2 38 | 760.0 29.92 1013.25 1013.25 | 760.3 29.93 1013.65 1013.65 | 95 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 2.5 37 | ||||||||||||||||||||
02 | 3.8 39 | 760.0 29.92 1013.25 1013.25 | 760.4 29.94 1013.78 1013.78 | 94 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 2.9 37 | ||||||||||||||||||||
01 | 4.5 40 | 759.7 29.91 1012.85 1012.85 | 760.1 29.93 1013.38 1013.38 | 93 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 3.4 38 | ||||||||||||||||||||
00 | 5.1 41 | 759.3 29.89 1012.32 1012.32 | 759.7 29.91 1012.85 1012.85 | 92 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 3.9 39 | ||||||||||||||||||||
| December 17, Wednesday | 23 | 5.3 42 | 758.9 29.88 1011.78 1011.78 | 759.2 29.89 1012.18 1012.18 | 93 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 4.3 40 | |||||||||||||||||||
22 | 5.5 42 | 758.3 29.85 1010.98 1010.98 | 758.7 29.87 1011.52 1011.52 | 93 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 4.5 40 | ||||||||||||||||||||
21 | 5.8 42 | 757.7 29.83 1010.18 1010.18 | 758.1 29.85 1010.72 1010.72 | 93 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 4.8 41 | ||||||||||||||||||||
20 | 6.1 43 | 757.2 29.81 1009.52 1009.52 | 757.6 29.83 1010.05 1010.05 | 93 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 6.1 43 | 7.2 45 | 5.0 41 | ||||||||||||||||||
19 | 6.6 44 | 756.7 29.79 1008.85 1008.85 | 757.0 29.8 1009.25 1009.25 | 93 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 5.6 42 | ||||||||||||||||||||