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 09:04 AM and sunset is at 02:56 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Low air temperatures (max 9°C on Thu afternoon, min 8°C on Thu morning). Winds decreasing (near gales from the SSW on Fri morning, moderate winds from the SSW by Sat morning).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Sun morning, min 6°C on Tue afternoon). Winds decreasing (fresh winds from the SE on Mon night, calm by Tue night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Wed morning, min 4°C on Fri afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Sat morning, min 4°C on Sat night). Winds decreasing (strong winds from the NE on Sun afternoon, calm by Mon afternoon).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
9:46AM2.04m
10:11PM1.97m
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
Low Tide
3:59PM0.86m
4:04AM0.88m
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
Wave
height (m) 
direction
period (s) 
1.2
S
6
1.2
S
6
2.1
SSE
7
1.4
SSE
6
1.8
SSE
7
1
S
6
0.6
S
5
0.7
S
5
0.8
SSE
5
0.7
SSE
7
0.6
SSE
7
0.6
SE
4
1.3
SE
6
1.4
SE
6
1.6
SE
6
1.7
SE
6
1.6
SE
9
1.3
SE
9
0.9
SE
8
0.8
SE
8
0.7
ESE
5
0.7
ENE
7
0.8
ENE
7
0.4
ENE
6
0.2
E
6
0.2
E
3
0.4
SE
4
0.6
NE
4
1
NE
5
1.4
NE
6
1.7
ENE
6
1.7
ENE
6
0.8
ENE
5
0.5
E
6
0.4
ESE
6
0.2
ESE
6
thunderstorm
part cloud
mod rain
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
risk tstorm
some clouds
mod rain
some clouds
risk tstorm
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
clear
 km/h
45
SW
30
S
45
SSE
40
SSW
45
SW
35
W
20
SSW
25
S
25
SSE
20
SE
20
ESE
25
ESE
35
ESE
35
ESE
35
ESE
35
SE
30
SE
15
SE
10
NW
15
N
20
NNE
20
NNE
20
NE
10
W
5
NW
15
N
20
N
30
NNE
35
NNE
40
NE
40
NE
45
NE
25
ESE
10
ESE
5
ENE
5
NNW
 mm 
1
7
3
max°C
8
9
9
8
9
9
9
9
9
8
8
8
8
8
8
7
7
7
6
6
6
6
6
6
5
5
6
7
5
5
5
5
5
5
4
4
Moonrise
8:40
10:03
10:56
11:18
11:26
11:29
11:30
11:29
11:29
11:28
11:27
11:27
Moonset
12:35
12:58
1:54
3:20
4:57
6:34
8:09
9:42
11:15
12:49
2:29
Sunrise
9:04
9:06
9:07
9:07
9:07
9:07
9:08
9:08
9:08
9:08
9:08
9:08
Sunset
2:56
2:56
2:56
2:56
2:56
2:57
2:59
2:59
3:00
3:00
3:02
3:03
Today's sea temperature in Lerwick is
9.8° C
(Statistics for 18 Dec 1981-2005 – mean: 9.0 max: 9.9 min: 7.7°C)
Issued (local time): 11 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest