Harwich Sea Conditions and Tide Table

Harwich 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 05:28 AM and sunset is at 08:30 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Sun afternoon, min 17°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Very warm air temperatures (max 31°C on Thu afternoon, min 18°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Sun afternoon. Warm (max 22°C on Sat morning, min 15°C on Sun night). Winds decreasing (fresh winds from the NNE on Sat night, light winds from the SSE by Mon night).

Days 10–12 Weather Summary

Moderate rain (total 17mm), heaviest on Thu night. Warm (max 27°C on Wed morning, min 16°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 5mm), mostly falling on Sun morning. Warm (max 21°C on Mon afternoon, min 14°C on Fri night). Winds increasing (calm on Fri morning, strong winds from the NNW by Sun night).

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Mon
24
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:37AM3.30m
9:25PM3.48m
10:07AM3.39m
10:48PM3.67m
11:14AM3.61m
11:47PM3.90m
12:06PM3.84m
00:37AM4.09m
12:52PM4.05m
1:21AM4.21m
1:34PM4.21m
2:04AM4.25m
2:15PM4.30m
2:44AM4.21m
2:54PM4.31m
3:24AM4.09m
3:33PM4.22m
4:01AM3.93m
4:10PM4.06m
4:39AM3.73m
4:49PM3.84m
5:18AM3.53m
5:32PM3.59m
6:02AM3.33m
6:24PM3.32m
6:56AM3.15m
7:37PM3.11m
8:36AM3.08m
9:36PM3.15m
Low Tide
3:03PM1.10m
3:38AM1.06m
4:13PM0.89m
4:39AM1.01m
5:13PM0.66m
5:32AM0.94m
6:05PM0.44m
6:20AM0.86m
6:52PM0.27m
7:04AM0.79m
7:36PM0.17m
7:46AM0.74m
8:19PM0.17m
8:26AM0.73m
9:00PM0.26m
9:05AM0.76m
9:39PM0.43m
9:42AM0.85m
10:17PM0.67m
10:20AM0.99m
10:55PM0.93m
11:03AM1.15m
11:41PM1.18m
12:01PM1.33m
00:49AM1.40m
1:42PM1.43m
2:27AM1.47m
3:17PM1.32m
Wave
Height (m)
Direction
Period (s)
0.3
E
4
0.3
ESE
3
0.4
S
4
0.3
NE
4
0.6
ENE
3
0.4
ENE
3
0.6
E
4
0.6
E
4
0.9
E
5
0.8
E
5
0.6
E
5
0.5
E
4
0.5
E
4
0.5
E
4
0.5
E
4
0.3
ENE
4
0.4
ENE
4
0.4
NE
4
0.4
NE
3
0.6
NE
4
0.8
NE
5
1.1
NE
6
0.9
ENE
6
0.6
NE
6
0.5
NE
5
0.5
ENE
4
0.3
NE
8
0.4
SW
3
0.5
S
3
0.6
S
4
0.3
SSW
3
0.5
S
3
0.3
SSE
4
0.1
E
3
0.1
E
2
0.4
ENE
3
0.4
ENE
4
0.3
ENE
4
0.4
SSE
3
0.1
E
3
0.2
SSW
2
0.4
SSW
3
1
S
5
0.9
SSW
4
0.5
S
3
0.7
NE
6
0.4
NE
7
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
rain showers
rain showers
cloud
part cloud
cloud
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
heavy rain
light rain
clear
part cloud
cloud
cloud
part cloud
rain showers
rain showers
rain showers
clear
part cloud
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
rain shwrs
rain shwrs
cloudy
some clouds
cloudy
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
heavy rain
light rain
clear
some clouds
cloudy
cloudy
some clouds
rain shwrs
rain shwrs
rain shwrs
clear
some clouds
km/h
5
SW
15
SSE
25
N
15
NW
25
E
20
E
20
ESE
25
E
25
E
20
ESE
20
E
15
ENE
15
ESE
20
ESE
5
W
10
WNW
10
ESE
10
NE
20
NE
25
NE
25
NNE
30
NNE
30
NNE
20
N
20
NNE
20
E
5
SSE
20
SW
20
S
20
SW
15
SW
25
S
10
NW
5
NE
10
ENE
20
NE
15
NNE
5
SSW
15
S
10
WNW
15
WSW
20
SSW
30
SW
30
SW
35
NW
30
NW
10
W
 mm
3
2
3
14
3
2
1
2
max °C
25
27
26
22
17
17
17
18
18
20
25
27
27
31
31
31
30
22
22
22
18
18
17
16
19
17
17
24
26
24
27
27
21
20
19
18
17
18
18
18
17
18
19
19
15
18
21
Moonrise
12:31
1:46
3:15
4:48
6:19
7:45
9:08
10:27
11:45
1:03
2:19
3:32
4:38
5:33
6:15
6:46
Moonset
6:55
7:37
8:05
8:24
8:39
8:52
9:03
9:15
9:28
9:44
10:04
10:32
11:11
12:02
1:05
Sunrise
5:28
5:28
5:31
5:31
5:33
5:35
5:37
5:39
5:39
5:41
5:43
5:45
5:47
5:48
5:50
5:52
Sunset
8:30
8:29
8:27
8:24
8:22
8:21
8:19
8:16
8:15
8:13
8:10
8:08
8:07
8:05
8:01
8:00
Today's sea temperature in Harwich is
20.7° C
(Statistics for 09 Aug 1981-2005 – mean: 17.0 max: 18.0 min: 15.5°C)
Issued (local time): 6 am Sunday 09 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest