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 07:53 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Fri night. Cool air temperatures (max 15°C on Fri afternoon, min 6°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Thu morning, min 7°C on Tue night). Winds increasing (light winds from the E on Mon afternoon, fresh winds from the ENE by Tue morning).

Days 8–10 Weather Summary

Some drizzle, heaviest during Sun morning. Very mild (max 12°C on Thu afternoon, min 4°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 10°C on Mon afternoon, min 3°C on Tue night). Winds decreasing (fresh winds from the W on Mon night, light winds from the NE by Tue night).

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
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
night
Wave Height Map
High Tide
00:36AM4.10m
1:04PM4.13m
1:19AM4.18m
1:45PM4.08m
2:02AM4.18m
2:27PM3.96m
2:47AM4.08m
3:09PM3.79m
3:34AM3.91m
3:52PM3.60m
4:26AM3.70m
4:42PM3.40m
5:27AM3.48m
5:42PM3.23m
6:45AM3.34m
7:01PM3.14m
8:12AM3.39m
8:32PM3.25m
9:24AM3.58m
9:43PM3.49m
10:21AM3.77m
10:37PM3.72m
11:08AM3.90m
11:23PM3.88m
11:49AM3.96m
00:04AM3.95m
12:27PM3.96m
00:42AM3.97m
Low Tide
6:10PM0.41m
6:36AM0.06m
6:52PM0.34m
7:18AM0.10m
7:35PM0.33m
8:00AM0.25m
8:18PM0.38m
8:44AM0.46m
9:03PM0.49m
9:29AM0.73m
9:52PM0.63m
10:20AM1.01m
10:56PM0.78m
11:32AM1.24m
00:29AM0.83m
1:01PM1.33m
1:48AM0.74m
2:12PM1.27m
2:54AM0.60m
3:14PM1.15m
3:53AM0.46m
4:08PM1.01m
4:43AM0.39m
4:54PM0.88m
5:26AM0.39m
5:34PM0.76m
6:03AM0.42m
6:11PM0.65m
Wave
height (m) 
direction
period (s) 
0.4
SSE
3
0.4
S
3
0.2
SSW
3
0.2
WSW
2
0.3
NW
2
0.1
NW
2
0.4
NE
3
0.2
ENE
3
0.2
ENE
4
0.2
ENE
4
0.6
ENE
4
1.2
ENE
5
1.2
ENE
6
0.9
ENE
5
0.6
E
4
0.6
ENE
4
0.5
NE
4
0.4
ENE
4
0.6
ENE
4
0.4
NE
4
0.4
ENE
4
0.5
NE
4
0.3
NE
6
0.2
NNE
8
0.4
NE
3
0.3
NE
4
0.2
NNE
4
0.5
NE
3
0.4
NE
11
0.4
NE
8
0.3
NE
5
0.7
SW
4
0.5
NW
3
0.5
N
3
0.3
NE
10
0.6
NE
8
0.5
NE
12
0.4
NE
12
0.3
NE
11
0.2
ENE
10
0.1
NE
10
0.1
NE
10
0.3
S
2
0.1
NE
6
0.2
ESE
2
0.4
SE
3
0.4
E
4
part cloud
rain showers
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
light rain
light rain
part cloud
rain showers
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
some clouds
rain shwrs
clear
clear
clear
some clouds
cloudy
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
light rain
light rain
light rain
some clouds
rain shwrs
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
20
SSW
20
SW
20
W
20
W
20
NW
15
NNW
15
ENE
10
N
15
NNE
10
E
20
NE
30
ENE
35
ENE
25
NE
20
ENE
25
NE
20
NE
20
NE
20
NE
20
NNE
20
NNE
20
ENE
5
NNW
10
WNW
15
NNE
15
NW
20
NNW
20
NNE
20
NNW
20
NW
20
W
35
W
30
NW
25
NNW
10
NW
25
NNE
20
NNE
10
NW
5
W
5
SW
5
WNW
15
WSW
15
S
5
W
15
ESE
20
ESE
5
ENE
 mm 
1
1
2
1
1
1
2
1
2
max°C
15
13
13
15
11
11
9
8
9
9
8
8
8
7
9
10
9
12
12
7
12
12
8
10
9
6
10
9
6
8
10
9
7
9
7
6
6
5
5
6
5
8
9
9
9
9
11
Moonrise
5:46
6:10
6:45
7:37
8:47
10:11
11:38
1:03
2:23
3:41
4:56
6:11
7:25
8:41
9:55
Moonset
8:30
10:04
11:37
1:00
2:04
2:47
3:17
3:36
3:51
4:03
4:13
4:24
4:35
4:48
5:04
Sunrise
5:52
5:50
5:48
5:46
5:43
5:41
5:39
5:37
5:35
5:33
5:31
5:30
5:28
5:26
5:24
Sunset
7:53
7:55
7:58
7:59
8:00
8:02
8:04
8:06
8:07
8:08
8:10
8:13
8:14
8:15
8:17
8:20
Today's sea temperature in Harwich is
10.5° C
(Statistics for 17 Apr 1981-2005 – mean: 8.8 max: 10.1 min: 7.1°C)
Issued (local time): 6 pm Friday 17 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest