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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Cool air temperatures (max 14°C on Sun night, min 10°C on Sun night). Winds decreasing (strong winds from the SW on Sun night, moderate winds from the WSW by Wed morning).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Cool air temperatures (max 12°C on Wed night, min 9°C on Wed night). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the S by Fri night).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 10°C on Sat night, min 9°C on Sat night). Winds increasing (light winds from the SSW on Mon morning, fresh winds from the SSW by Tue afternoon).

Days 11–13 Weather Summary

Moderate rain (total 18mm), heaviest on Thu night. Very mild (max 10°C on Tue night, min 3°C on Fri afternoon). Winds increasing (light winds from the WSW on Wed morning, strong winds from the S by Thu morning).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
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
High Tide
1:18AM3.93m
1:50PM4.00m
2:03AM3.85m
2:40PM3.87m
2:49AM3.76m
3:31PM3.72m
3:36AM3.66m
4:24PM3.57m
4:27AM3.55m
5:21PM3.46m
5:26AM3.46m
6:23PM3.40m
6:32AM3.40m
7:30PM3.42m
7:45AM3.40m
8:34PM3.49m
8:53AM3.46m
9:28PM3.59m
9:47AM3.53m
10:14PM3.66m
10:32AM3.58m
10:53PM3.71m
11:12AM3.61m
Low Tide
6:50PM0.75m
7:19AM0.44m
7:37PM0.91m
8:10AM0.49m
8:25PM1.08m
9:04AM0.57m
9:14PM1.24m
10:03AM0.68m
10:10PM1.36m
11:06AM0.77m
11:14PM1.43m
12:08PM0.84m
00:20AM1.42m
1:10PM0.88m
1:23AM1.36m
2:08PM0.90m
2:24AM1.25m
3:02PM0.91m
3:19AM1.13m
3:46PM0.93m
4:04AM1.01m
4:23PM0.94m
4:44AM0.90m
4:57PM0.92m
Wave
height (m) 
direction
period (s) 
0.8
SSW
4
0.8
S
4
0.7
S
4
0.5
S
4
1.1
S
5
1.3
S
5
0.8
S
5
0.6
S
4
0.6
S
4
0.3
SSW
3
0.3
SSW
2
0.3
S
3
0.6
SSE
4
0.5
SSE
4
0.5
SSE
4
0.4
SE
3
0.2
SSE
3
0.3
SW
2
0.2
SSW
3
0.6
S
4
0.9
SSE
4
1.2
SSE
5
0.4
SSE
4
1.2
SSE
5
1.5
SSE
6
0.8
SSE
5
0.4
SE
4
0.2
SSW
2
0.6
S
3
1.2
S
5
1.1
S
5
0.8
SSW
4
0.6
SW
4
0.8
SSW
4
1.9
SSE
7
1.6
WNW
5
rain showers
part cloud
cloud
light rain
cloud
part cloud
rain showers
part cloud
cloud
clear
clear
clear
light rain
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
light rain
light rain
heavy rain
part cloud
clear
rain shwrs
some clouds
cloudy
light rain
cloudy
some clouds
rain shwrs
some clouds
cloudy
clear
clear
clear
light rain
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
light rain
light rain
some clouds
some clouds
some clouds
light rain
light rain
heavy rain
some clouds
clear
 km/h
45
SW
25
SW
30
SW
25
SW
30
SSW
40
SSW
45
SSW
20
WSW
25
SW
15
WSW
15
SW
15
S
25
SSE
25
S
25
S
35
S
30
SW
30
SSW
35
SW
30
SSW
30
S
25
SSE
15
S
20
SSW
20
SSW
30
SSW
35
SSW
10
WSW
5
WSW
10
SW
25
SSW
45
S
45
SSW
15
NW
20
WNW
10
W
 mm 
2
1
1
2
3
2
1
4
11
max°C
14
11
13
12
12
12
13
11
11
12
9
10
10
10
11
12
10
10
10
9
9
9
10
10
10
10
9
10
8
8
9
9
9
8
5
5
Moonrise
7:43
9:09
10:29
11:45
12:58
2:11
3:23
4:36
5:50
7:01
8:06
Moonset
11:20
11:40
11:55
12:06
12:16
12:26
12:37
12:49
1:04
1:25
1:54
2:35
Sunrise
7:48
7:50
7:50
7:52
7:52
7:54
7:54
7:54
7:56
7:56
7:58
7:58
Sunset
3:42
3:42
3:42
3:42
3:42
3:42
3:42
3:42
3:42
3:42
3:44
3:44
Today's sea temperature in Harwich is
8.8° C
(Statistics for 07 Dec 1981-2005 – mean: 10.4 max: 12.0 min: 9.0°C)
Issued (local time): 11 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest