Lerwick Sea Conditions and Tide Table

Lerwick Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 09:06 AM and sunset is at 02:56 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Fri afternoon. Low air temperatures (max 9°C on Fri afternoon, min 8°C on Fri morning). Winds decreasing (strong winds from the SW on Fri morning, light winds from the SW by Fri night).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Mon morning, min 6°C on Wed night). Winds decreasing (strong winds from the ESE on Mon morning, calm by Wed afternoon).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Fri afternoon, min 3°C on Sat afternoon). Winds increasing (light winds from the WSW on Thu morning, fresh winds from the NNE by Fri night).

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Sun night, min 3°C on Sun morning). Winds increasing (light winds from the NNW on Sun morning, fresh winds from the N by Mon night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
10:22AM2.11m
10:50PM2.00m
10:56AM2.16m
11:27PM2.01m
11:29AM2.20m
00:03AM2.01m
12:03PM2.21m
00:40AM1.99m
12:38PM2.20m
1:19AM1.95m
1:17PM2.16m
2:01AM1.90m
1:58PM2.10m
2:48AM1.84m
2:46PM2.03m
3:41AM1.80m
3:40PM1.96m
4:39AM1.77m
4:42PM1.92m
5:40AM1.78m
5:47PM1.91m
6:43AM1.83m
6:57PM1.95m
Low Tide
4:35PM0.81m
4:39AM0.88m
5:10PM0.77m
5:13AM0.89m
5:46PM0.73m
5:49AM0.89m
6:22PM0.71m
6:25AM0.91m
7:00PM0.70m
7:03AM0.92m
7:40PM0.70m
7:44AM0.94m
8:24PM0.71m
8:29AM0.97m
9:12PM0.73m
9:21AM1.00m
10:08PM0.75m
10:22AM1.02m
11:11PM0.78m
11:32AM1.01m
00:22AM0.79m
12:49PM0.96m
1:31AM0.78m
Wave
height (m) 
direction
period (s) 
1.3
SSE
6
1.7
SSE
7
1
S
6
0.5
S
8
0.5
S
5
0.8
SSE
4
0.8
SSE
4
0.7
SE
4
1.3
SE
5
1.5
SE
6
1.6
SE
6
1.7
SE
6
1.9
SE
6
1.8
SE
9
1.4
SE
9
1
SE
8
0.8
SE
8
0.6
SE
7
0.4
SE
7
0.3
SE
6
0.2
ESE
5
0.2
ESE
3
0.3
SE
3
0.4
NNE
3
0.8
NE
4
0.9
NE
6
0.7
NE
5
0.5
ENE
6
0.4
ENE
6
0.4
ESE
5
0.4
NNW
3
0.4
NNW
3
0.9
NNE
4
0.7
NE
4
0.6
NE
5
0.5
NNE
6
rain showers
thunderstorm
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
rain shwrs
risk tstorm
some clouds
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
clear
clear
some clouds
cloudy
 km/h
40
SSW
45
SW
30
W
20
SSW
20
SSE
25
SE
25
SE
20
ESE
35
ESE
40
ESE
35
SE
35
SE
35
SE
30
SE
25
SE
10
SSE
5
S
5
W
5
WSW
5
SW
15
SSW
20
W
20
W
25
N
30
NNE
30
NNE
20
NNE
10
NNW
15
NW
25
NW
25
NNW
25
NNW
35
N
25
N
25
NNW
25
WNW
 mm 
1
3
1
max°C
8
9
9
9
9
9
9
9
8
8
8
8
7
7
7
7
7
7
6
5
7
7
8
7
5
3
4
4
7
9
8
9
6
3
5
8
Moonrise
10:03
10:56
11:18
11:26
11:29
11:30
11:29
11:29
11:28
11:27
11:27
11:29
Moonset
12:58
1:54
3:20
4:57
6:34
8:09
9:42
11:15
12:49
2:29
4:17
Sunrise
9:06
9:07
9:07
9:07
9:07
9:08
9:08
9:08
9:08
9:08
9:08
9:07
Sunset
2:56
2:56
2:56
2:56
2:57
2:59
2:59
3:00
3:00
3:02
3:03
3:04
Today's sea temperature in Lerwick is
9.8° C
(Statistics for 19 Dec 1981-2005 – mean: 9.0 max: 9.9 min: 7.7°C)
Issued (local time): 5 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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