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 09:08 AM and sunset is at 02:59 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Thu morning, min 1°C on Sat night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Fri night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Mon night. Low air temperatures (max 7°C on Sun night, min 2°C on Tue afternoon). Winds increasing (light winds from the N on Mon morning, strong winds from the NNE by Mon night).

Days 7–9 Weather Summary

Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Wed night. Mild temperatures (max 5°C on Thu night, min 1°C on Wed night). Winds decreasing (strong winds from the N on Wed night, light winds from the E by Fri morning).

Days 10–12 Weather Summary

Moderate rain (total 19mm), heaviest on Sun night. Very mild (max 10°C on Mon night, min 4°C on Sat morning). Winds increasing (light winds from the W on Sat night, near gales from the SSW by Sun night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
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
7:46AM1.92m
8:07PM2.03m
8:46AM2.04m
9:15PM2.12m
9:40AM2.17m
10:14PM2.20m
10:30AM2.28m
11:06PM2.25m
11:17AM2.36m
11:55PM2.23m
12:02PM2.40m
00:42AM2.17m
Low Tide
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
1:59PM0.86m
2:34AM0.78m
3:00PM0.73m
3:28AM0.76m
3:54PM0.58m
4:17AM0.73m
4:45PM0.45m
5:03AM0.72m
5:33PM0.37m
5:46AM0.73m
6:19PM0.35m
Wave
height (m) 
direction
period (s) 
0.4
SE
7
0.3
SE
6
0.2
SSE
6
0.1
SE
5
0.2
ESE
5
0.3
NNW
3
0.7
NNE
4
0.7
NNE
4
0.5
NE
6
0.4
NE
11
0.4
NNE
7
0.4
NNE
6
0.6
N
3
0.4
NE
4
0.5
NNE
6
1.2
NNE
5
1.2
NE
8
1.1
NE
14
1.1
NE
8
1.2
NNE
8
1.4
NE
8
1.3
NE
7
1.1
NE
8
0.9
NNE
7
0.9
NE
11
0.7
NE
8
1.1
SE
4
1.1
SSE
5
1
SSE
5
1.3
SSE
5
0.8
SE
7
0.6
SE
6
0.9
SSE
5
1.6
S
6
1
SSE
8
0.8
S
5
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
rain showers
part cloud
part cloud
cloud
light rain
light rain
snow showers
rain showers
part cloud
rain showers
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
mod rain
light rain
light rain
rain showers
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
some clouds
cloudy
cloudy
rain shwrs
some clouds
some clouds
cloudy
light rain
light rain
snow shwrs
rain shwrs
some clouds
rain shwrs
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
mod rain
light rain
light rain
rain shwrs
 km/h
5
W
5
WNW
10
NNE
5
N
10
WNW
25
NNW
30
N
30
N
15
NNW
20
WNW
30
WNW
25
NNW
30
NNW
20
NNW
30
WNW
40
N
40
N
35
NNW
35
NNW
45
NNW
45
N
40
NNE
35
N
30
N
20
ENE
15
ESE
35
S
35
S
35
S
35
S
15
WSW
15
WNW
35
SSW
50
SSW
25
WSW
30
WNW
 mm 
1
2
1
2
2
3
1
1
8
1
3
2
max°C
8
7
7
6
6
7
3
2
2
5
6
7
5
5
7
4
3
3
2
3
2
3
3
5
4
4
4
4
5
6
4
7
7
8
9
10
Moonrise
11:29
11:29
11:28
11:27
11:27
11:29
11:34
11:51
12:42
2:21
4:17
6:09
Moonset
9:42
11:15
12:49
2:29
4:17
6:13
8:09
9:39
10:19
10:32
10:36
Sunrise
9:08
9:08
9:08
9:08
9:08
9:07
9:07
9:07
9:07
9:06
9:06
9:04
Sunset
2:59
3:00
3:00
3:02
3:03
3:04
3:06
3:07
3:08
3:11
3:12
3:14
Today's sea temperature in Lerwick is
9.6° C
(Statistics for 25 Dec 1981-2005 – mean: 8.8 max: 9.7 min: 7.7°C)
Issued (local time): 5 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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