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 03:39 AM and sunset is at 10:34 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Cool air temperatures (max 14°C on Wed afternoon, min 10°C on Sun night). Winds decreasing (strong winds from the W on Mon night, light winds from the SW by Wed morning).

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Fri afternoon. Cool air temperatures (max 13°C on Thu morning, min 11°C on Thu night). Winds increasing (light winds from the SSW on Wed night, near gales from the W by Sat afternoon).

Days 7–9 Weather Summary

Heavy rain (total 20mm), heaviest during Mon morning. Very mild (max 13°C on Mon afternoon, min 10°C on Mon morning). Winds decreasing (strong winds from the W on Sat night, light winds from the S by Sun night).

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 12°C on Thu morning, min 9°C on Tue night). Winds decreasing (near gales from the WNW on Tue night, calm by Thu night).

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
Fri
4
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
Wave Height Map
High Tide
9:38AM1.90m
10:12PM1.91m
10:40AM1.97m
11:03PM2.01m
11:37AM2.02m
11:51PM2.09m
12:28PM2.02m
00:37AM2.13m
1:18PM1.98m
1:22AM2.14m
2:05PM1.89m
2:07AM2.09m
2:52PM1.79m
2:51AM2.02m
3:37PM1.69m
3:37AM1.92m
4:23PM1.61m
4:25AM1.81m
5:10PM1.55m
5:15AM1.71m
6:00PM1.53m
6:10AM1.62m
6:54PM1.53m
Low Tide
3:58PM0.53m
4:23AM0.48m
4:50PM0.54m
5:16AM0.38m
5:37PM0.57m
6:06AM0.30m
6:23PM0.60m
6:54AM0.26m
7:06PM0.64m
7:42AM0.27m
7:49PM0.69m
8:29AM0.33m
8:31PM0.74m
9:18AM0.42m
9:14PM0.80m
10:07AM0.52m
10:00PM0.85m
10:58AM0.62m
10:53PM0.90m
11:52AM0.71m
00:00AM0.94m
12:50PM0.78m
Wave
height (m) 
direction
period (s) 
0.7
SE
7.0
0.5
S
4.0
0.7
WSW
3.0
0.4
WSW
3.0
0.3
SW
3.0
0.2
NNE
4.0
0.2
NNE
8.0
0.2
NNE
10.0
0.3
NE
10.0
0.8
SSE
4.0
0.5
S
4.0
0.4
SSE
4.0
0.9
SSE
5.0
0.9
S
5.0
0.8
SW
4.0
1
SW
4.0
1.1
SW
4.0
0.7
W
3.0
0.5
W
3.0
0.4
W
3.0
0.1
S
3.0
0.4
SE
3.0
1.1
SE
5.0
0.7
SE
6.0
0.8
SSE
5.0
0.7
SSE
5.0
1
WSW
4.0
0.9
WNW
4.0
0.7
WNW
4.0
0.3
WNW
3.0
0.2
S
3.0
0.1
S
3.0
0.1
NE
6.0
0.1
NE
4.0
0.3
NE
5.0
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
cloud
light rain
part cloud
rain showers
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
heavy rain
mod rain
part cloud
clear
part cloud
light rain
cloud
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
part cloud
light rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
cloudy
light rain
some clouds
rain shwrs
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
heavy rain
mod rain
some clouds
clear
some clouds
light rain
cloudy
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
 km/h
20
WSW
25
W
40
W
25
W
20
W
15
WNW
10
WNW
15
WSW
15
SSE
25
S
25
W
20
S
35
SW
30
WSW
40
WSW
45
WSW
50
WSW
35
W
35
W
25
W
10
SW
30
ESE
20
SW
20
SSW
30
SW
30
SW
50
W
45
WNW
40
WNW
20
W
10
W
10
WSW
5
WSW
10
NE
15
NE
 mm 
1
1
4
1
2
5
1
12
8
3
1
1
max°C
12
12
11
11
11
12
13
14
12
13
13
12
13
13
13
12
13
12
12
12
11
10
13
13
12
12
10
11
11
10
12
12
11
11
12
Moonrise
1:14
1:26
2:06
3:34
5:25
7:14
8:54
10:27
11:53
1:17
2:41
4:07
Moonset
9:35
11:12
11:59
12:13
12:18
12:19
12:19
12:18
12:16
12:15
12:13
Sunrise
3:39
3:39
3:39
3:40
3:41
3:41
3:42
3:43
3:44
3:45
3:46
3:47
Sunset
10:34
10:34
10:34
10:32
10:32
10:32
10:31
10:31
10:30
10:30
10:29
10:29
Today's sea temperature in Lerwick is 11.3 °C (Statistics for 23 Jun 1981-2005 – mean: 10.7 max: 12.2 min: 9.5°C)
Issued (local time): 12 am Monday 23 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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